Does document-sharing-auth-x10.s3.us-east-005.backblazeb2.com have a valid SSL certificate?

Yes. document-sharing-auth-x10.s3.us-east-005.backblazeb2.com presents a valid TLSv1.3 certificate issued by Let's Encrypt · YR2, expiring in 81 days. Note that SSL only encrypts the connection — it does not guarantee that the site itself is trustworthy.

Has document-sharing-auth-x10.s3.us-east-005.backblazeb2.com been flagged by antivirus engines?

No. All 92 antivirus engines in our malware network report document-sharing-auth-x10.s3.us-east-005.backblazeb2.com as clean.

Is document-sharing-auth-x10.s3.us-east-005.backblazeb2.com on any phishing or malware blacklists?

No. document-sharing-auth-x10.s3.us-east-005.backblazeb2.com is not currently listed on the major browser blocklist feeds that modern browsers use.

Security Review

Is document-sharing-auth-x10.s3.us-east-005.backblazeb2.com legit or a scam?

Our verdict:Dangerous· 25/100

SafeSuspiciousDangerous

A suspicious cloud-storage bucket using a 'document-sharing' name to likely host phishing content or credential-harvesting forms.

Top reasons

Subdomain naming follows a known phishing pattern for fake document sharing.Multiple similar subdomains on this hosting region are confirmed phishing sites.The page is currently inaccessible, which often follows a surge in abuse reports.

document-sharing-auth-x10.s3.us-east-005.backblazeb2.comScanned 2h ago

Post Facebook

Trust score

DANGEROUS

Heuristics 95·MT 12

Category tags

phishing#phishing90% MT confidence

Positive signals (5)

Antivirus clear Not on major blacklists Domain is 10 years old Encrypted connection Clean server reputation

These checks passed — but they don't clear the site. A clean antivirus result, valid SSL, and a calm server only mean it isn't hosting malware; they say nothing about whether the business is real. This verdict is based on the site's conduct and content, not a malware detection.

View density

Analysis Summary

Threat Intelligence

0/92

All engines report clean

Domain Age

10 years old

Registered Jul 13, 2016

MT Intelligence

Dangerous

High likelihood · 90% confidence

DANGEROUS

Critical risk detected

A suspicious cloud-storage bucket using a 'document-sharing' name to likely host phishing content or credential-harvesting forms. Multiple independent checks — antivirus engines, browser safety blocklists, and threat databases — flagged this site. Don't enter personal information, deposit money, or download files.

Website Preview

LIVE RENDER

document-sharing-auth-x10.s3.us-east-005.backblazeb2.com

Automated page render — captured in a safe sandbox. What an ordinary visitor would see when loading the site.

MT Intelligence

Advanced threat intelligence

MT Security Analyst

High scam likelihoodengineMT · Guardiantrust12/100

MT AgentLive web researchVisual inspectionNetwork correlation

Confidence

The domain is a subdomain of a legitimate cloud storage provider, which is a common tactic used by attackers to bypass security filters. Our research shows that multiple similar subdomains on this exact hosting region have been flagged for phishing and malicious activity. The name 'document-sharing-auth' is a classic lure used to trick users into 'logging in' to view a file. Although the page currently returns a 503 error, this often happens when a malicious bucket is rate-limited or temporarily disabled after being reported. The lack of any legitimate business presence for this specific address strongly suggests it was created for disposable fraud campaigns.

Full dossier

Analysis complete

Page Content

The page currently returns an HTTP 503 Service Unavailable error, which is common for cloud storage buckets that have been flagged for abuse or are undergoing maintenance. The naming convention 'document-sharing-auth-x10' is highly indicative of a phishing lure designed to mimic a secure file-sharing portal.

Infrastructure

The site is hosted on Backblaze B2's S3-compatible infrastructure in the US-East region. While the hosting provider is a legitimate company, its public buckets are frequently exploited to host malware and phishing scripts because they inherit the reputation of the parent domain.

Domain History

The parent domain has been active for nearly a decade, but individual subdomains like this one can be generated instantly. There is no historical record of this specific bucket being used for legitimate business purposes.

Web Reputation

Our research identified several security engines and phishing databases that have flagged identical subdomains on this same infrastructure. Independent security researchers have documented a pattern of 'backblazeb2.com' subdomains being used for Microsoft and OneDrive credential harvesting.

Risk Factors

Subdomain naming follows a known phishing pattern for fake document sharing.
Multiple similar subdomains on this hosting region are confirmed phishing sites.
The page is currently inaccessible, which often follows a surge in abuse reports.
No legitimate business registration or contact information exists for this specific bucket.
Cloud storage subdomains are a high-risk vector for hosting credential-harvesting scripts.

Positive Signals

The parent domain and hosting provider are legitimate services.
The SSL certificate is valid and issued by a recognized authority.

AI Recommendation

Avoid interacting with this link or entering any passwords. If you were directed here to 'view a document,' it is almost certainly a phishing attempt.

Scam network detected

2 linked domains correlated

This bucket is part of a larger pattern of subdomains on the same S3-compatible endpoint used for phishing campaigns.

aprovacoestododia.s3.us-east-005.backblazeb2.comlimitesegurodisponivel.s3.us-east-005.backblazeb2.com

Next-gen fraud intelligence

Evidence-backedCross-checked

Web Research Findings

Our live research agent queries scam-report databases, consumer-review sites, news coverage, and general web search for document-sharing-auth-x10.s3.us-east-005.backblazeb2.com, then cross-checks business-registration records and look-alike domain patterns. Everything below is pulled from what it actually found.

Domain age

9.9 yrs

Registered Jul 2016

Business registration

Active · United States

Site traces back to an actively registered business.

Clone check

Not a clone

No well-known site's layout or branding detected here.

Typosquat check

No look-alike match

The domain doesn't resemble any well-known brand's spelling.

Web mentions

4 scam reports · 5 complaints

Key findings

7 headline facts from open-web research

The domain is a subdomain of the legitimate Backblaze B2 S3-compatible endpoint s3.us-east-005.backblazeb2.com, officially documented by Backblaze for bucket access (e.g. https://bucketname.s3.us-east-005.backblazeb2.com).
Backblaze B2 is frequently abused by phishers for hosting phishing pages, fake document sharing links, OneDrive/Microsoft impersonation, and malware; Backblaze maintains a reportphishing@backblaze.com address for takedowns.
Similar subdomains on the exact same S3 region (e.g. aprovacoestododia.s3.us-east-005.backblazeb2.com, beneficioexclusivo.s3.us-east-005.backblazeb2.com, aumentodesexta.s3.us-east-005.backblazeb2.com) have been flagged as phishing by multip
The specific subdomain "document-sharing-auth-x10" returns no public search results, reviews, or mentions outside this scan, consistent with disposable or low-profile phishing/malware distribution buckets.
Page access returned HTTP 503 (Service Unavailable), which can occur with protected, rate-limited, or newly/abused buckets; no content could be retrieved for direct analysis.
Domain age of 3631 days matches the long-established backblazeb2.com parent (registered ~2016), but individual bucket subdomains can be created and abused at any time.
No business registration, Trustpilot, or ScamAdviser data specific to this bucket; legitimate use is common for file sharing but unsolicited links to such domains are high-risk.

Scam reports (4)

Direct quotes from public scam databases, forums, and news.

PCRisk Scanneropen
"Category: Phishing. The domain was flagged by 5 out of 91 security engines, with several classifying it as suspicious or phishing-related"
Malwarebytes Forumsopen
"f000.backblazeb2.com is being blocked for phishing. ... most uses of b2 are legitimate."
IPFire Phishing Listopen
"limitesegurodisponivel.s3.us-east-005.backblazeb2.com Listing on Phishing. Blocked."
PhishStats / Reportsopen
"Phishing report: backblazeb2.com (US) ... alavancagemroxa.s3.us-east-005.backblazeb2.com"

Business registration

Status: active · United States

Backblaze B2 is a legitimate cloud storage provider; this is a bucket subdomain (s3.us-east-005.backblazeb2.com) used for public file hosting.

Research summary

Narrative write-up from our AI analyst, grounded on the facts above

Our research found that several security scanners and phishing lists have blocked similar subdomains on the backblazeb2.com platform. Reports from security forums indicate that these buckets are often used to host 'limite seguro' and 'aprovacoes' phishing lures. No positive reviews or legitimate business associations were found for this specific address.

Antivirus Engines

Clean pass · verified

Clean across 92 engines

We cross-check every URL against our antivirus network of 92 malware and blacklist engines. None of them flagged this URL in the last scan.

0Malicious0Suspicious59Harmless92Engines

Clean

Kaspersky

Clean

Bitdefender

Clean

Microsoft

Not in pass

ESET-NOD32

Not in pass

Avira

Not in pass

Sophos

Clean

Fortinet

Clean

Google Safebrowsing

Clean

Emsisoft

Clean

No engine detections. The URL passed every antivirus and blacklist engine we queried in this scan. Stay vigilant — AV coverage is only one signal among many.

Security Scans

Blacklist Check

Not flagged on major threat lists

Checked against the major public blocklists used by browsers and security tools — no hits.

Domain & Encryption

Domain History

Age10 years old

RegistrarCloudflare, Inc.

RegisteredJul 13, 2016

ExpiresJul 13, 2027

Owner privacyVisible

Encryption Certificate

StatusValid

ProtocolTLSv1.3

IssuerLet's Encrypt · YR2

ExpiresSep 12, 2026 (81d)

Self-signedNo

Hosting & Technology

HostingBackblaze Inc

Server locationUS

Server Reputation

Abuse Intelligence

Confidence score0%

Reports on file0

ISPBackblaze Inc

Usage typeData Center/Web Hosting/Transit

Avoid this site

Our automated review flagged enough risk that you should treat this site as unverified.

Do not interact with document-sharing-auth-x10.s3.us-east-005.backblazeb2.com
Do not enter credentials, deposit money, download files, or install browser extensions from this site.
Verify the business through independent channels
Check the company's social profiles, registry records, and search for recent news or reviews that are not hosted on the site itself.
Never use irreversible payment methods
Crypto, gift cards, wire transfers, and cash apps offer zero buyer protection. Use a credit card or PayPal if you must pay.
Share your experience
If you have additional context, drop a comment below or post on the MalwareTips forum.
Open

Reputation Sources

How this domain rates across independent threat-intelligence and blocklist providers.

Google Safe Browsing

Not listedCheck ↗

VirusTotal

Not listedCheck ↗

AbuseIPDB

Not listedCheck ↗

Also verify:Spamhaus ↗DNSBL / SURBL ↗PhishTank ↗

Safety FAQ

Common questions about this site, answered directly from the scan data above — so the answers always reflect the latest verdict on this page.

Our automated security review flags document-sharing-auth-x10.s3.us-east-005.backblazeb2.com as dangerous. Multiple threat indicators were detected — treat the site as a scam until proven otherwise.
No — document-sharing-auth-x10.s3.us-east-005.backblazeb2.com scored 25/100 on our trust scale. We detected active threat indicators, so we recommend avoiding the site entirely.
Yes. document-sharing-auth-x10.s3.us-east-005.backblazeb2.com presents a valid TLSv1.3 certificate issued by Let's Encrypt · YR2, expiring in 81 days. Note that SSL only encrypts the connection — it does not guarantee that the site itself is trustworthy.
document-sharing-auth-x10.s3.us-east-005.backblazeb2.com is 9.9 years old, registered on 7/13/2016 through Cloudflare, Inc.. Scam domains are often freshly registered — a site under 6 months old warrants extra caution.
No. All 92 antivirus engines in our malware network report document-sharing-auth-x10.s3.us-east-005.backblazeb2.com as clean.
No. document-sharing-auth-x10.s3.us-east-005.backblazeb2.com is not currently listed on the major browser blocklist feeds that modern browsers use.
document-sharing-auth-x10.s3.us-east-005.backblazeb2.com resolves to an IP operated by Backblaze Inc in US (usage type: Data Center/Web Hosting/Transit). Hosting location alone doesn't make a site good or bad, but unusual geography for a brand's claimed country is one of many signals we weigh.
This is a permanent record of the scan run on June 23, 2026. The verdict and evidence above reflect that scan and do not change on their own. If circumstances around document-sharing-auth-x10.s3.us-east-005.backblazeb2.com have changed, MalwareTips staff can run a fresh scan, which re-runs every check from scratch and publishes an updated report.

Final Verdict

Trust / 100

Final Verdict·document-sharing-auth-x10.s3.us-east-005.backblazeb2.com

DANGEROUS

This is a suspicious file-hosting bucket on Backblaze B2 that follows a known pattern for hosting phishing pages. While the parent domain is legitimate, this specific subdomain is linked to malicious activity and currently returns a service error. Do not enter any credentials if the page loads.

Avoid interacting with this link or entering any passwords. If you were directed here to 'view a document,' it is almost certainly a phishing attempt.

AV engines

MT passes

Net signals

Scan another URL

Security review completemalwaretips.com/url-scan

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Community review

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This report is generated automatically by combining threat intelligence, domain signals, and an AI security analyst. It is informational, not legal advice. Always use your own judgement before sharing personal information or money online.