File verdict·Decided by the MT AI Engine
Our call

Suspicious

Unsigned PDF with embedded JavaScript and auto-action tags submitted only twice in the last day.

Trust score45Caution
certificato_di_conoscenza_della_lingua_italiana_ 2.pdf
7.7 MB
42d44097a46cad5fdcfbf5a4a512
Antivirus engines
0 of 74 flagged
Code signing
Unsigned
Age
First-seen today
MT AI Engine · our arbiter

The verdict, reasoned out.

Not a rules engine. The MT AI Engine reads every signal we collected, weighs them against history, and commits to an answer.

55%Confidence
Moderate
Reasoning

Zero malicious detections across 62 engines rules out known malware families. However, the file carries 'js-embedded' and 'autoaction' tags on a PDF that is only hours old and has been seen by just two submitters. Unsigned status and complete absence of similar-hash history leave no benign anchor. These factors together produce a borderline case that warrants caution rather than outright clearance.

Key signals · 5

Each signal cites a concrete token from the evidence the arbiter saw — engine name, MITRE technique, signer string, or an exact count.

  1. engines.malicious=0 and tier1Malicious=0 across 62 reporting engines

  2. file.tags=['pdf','js-embedded','autoaction']

  3. prevalence.classification='rare_new' with ageDays=0 and 2 submitters

  4. signing.signed=false

  5. similarHashes.length=0

Points in its favour
  • Zero engine detections
  • No adversarial filename patterns
  • No brand mismatch
Points against
  • Embedded JavaScript in PDF
  • Auto-action tags present
  • Rare new submission (2 submitters)
  • Unsigned file
What to do

Treat as suspicious until opened in a controlled environment or replaced with a verified clean copy from the source.

No researcher-database hits
External threat-intel sources were not collected for this scan.
Antivirus engine breakdown

0 detections across 74 engines

0 malicious0 suspicious74 clean
Tier-117 engines
0flag
Top commercial AVs (low FP rate)
Tier-240 engines
0flag
Mainstream engines with mixed FP rates
Low-trust17 engines
0flag
Heuristic / generic-AI engines (high FP rate)
All 74 engines report this file as clean.
Hash 42d44097a46c… cross-referenced against 74 AV engines via our AV network.
Prevalence

How often this file shows up in the wild

Barely seen in the wild and first surfaced recently. This is the footprint of targeted malware the AV industry hasn't signatured yet — extra scrutiny is warranted.

Rare & new
Unique uploaders
2
Very few people have ever uploaded this — rare.
Total submissions
2
Includes repeat uploads by the same source.
First seen by VT
0d ago
Jul 11, 2026
Prevalence quadrant
here
Rare · New
Targeted malware lives here
Common · New
Just-released software
Rare · Old
Niche or internal tooling
Common · Old
Trusted legitimate binaries
File identity

Forensic fingerprint

File biography
First seen (VT)
7/11/2026, 10:16:28 AM
First seen (MalwareBazaar)
Last analysis (VT)
7/11/2026, 10:16:28 AM
Scanned here
7/11/2026, 10:20:51 AM
File name
certificato_di_conoscenza_della_lingua_italiana_ 2.pdf
Size
7.67 MB
MIME type
application/pdf
Detected type
PDF
SHA-256
42d44097a46cad5fdc5466598a0aac581b25469e0e735975446338fbf5a4a512
MD5
a8be4b1da25793da4752bcb5f40a0c29
SHA-1
e7e778064adfdd7bfc5137a20016aad0853d2f6a
First seen (VT)
7/11/2026, 10:16:28 AM
Last analysis (VT)
7/11/2026, 10:16:28 AM
First scan (MalwareTips)
7/11/2026, 10:17:41 AM
Last scan (MalwareTips)
7/11/2026, 10:20:51 AM
Behavior tags
pdfjs-embeddedautoaction
Frequently asked

Safety FAQ

Common questions about certificato_di_conoscenza_della_lingua_italiana_ 2.pdf, answered from the scan data above.

  • certificato_di_conoscenza_della_lingua_italiana_ 2.pdf is suspicious — treat it as unsafe until you're sure. 0 of 74 antivirus engines flag it, which isn't a strong consensus but is enough to be cautious. Don't opened it unless you fully trust where it came from, and prefer downloading the software fresh from its official site.
  • certificato_di_conoscenza_della_lingua_italiana_ 2.pdf is a document file (application/pdf), about 7.7 MB. We identify a file by its cryptographic hash rather than its name, because the same filename can be reused by completely different files — the hash below is the reliable fingerprint.
  • None — all 74 antivirus engines we queried report certificato_di_conoscenza_della_lingua_italiana_ 2.pdf as clean. That's reassuring, though brand-new malware can briefly evade detection before vendors add signatures, so we also weigh the file's behaviour and reputation.
  • Act quickly. 1) Disconnect the device from the internet to stop the malware communicating or spreading. 2) Run a full scan with reputable anti-malware software (such as Malwarebytes) and quarantine everything it finds. 3) Change your important passwords from a DIFFERENT, clean device — many threats log keystrokes or steal saved credentials. 4) If you bank or shop on this device, watch closely for fraud and alert your bank. 5) For a confirmed infection, the most reliable fix is to back up your personal files and reinstall the operating system for a clean start.
  • To remove certificato_di_conoscenza_della_lingua_italiana_ 2.pdf: 1) restart into Safe Mode (Safe Mode with Networking if you need to download a tool) so the malware doesn't auto-start. 2) Run a full scan with reputable anti-malware software and let it quarantine or delete the detections. 3) Delete the original certificato_di_conoscenza_della_lingua_italiana_ 2.pdf file and empty the Recycle Bin/Trash. 4) Check your browser extensions, startup items, and scheduled tasks for anything unfamiliar. 5) Reboot and scan again to confirm it's gone. If detections keep coming back, a clean operating-system reinstall is the most dependable cure.
  • The SHA-256 hash of certificato_di_conoscenza_della_lingua_italiana_ 2.pdf is 42d44097a46cad5fdc5466598a0aac581b25469e0e735975446338fbf5a4a512, and its MD5 is a8be4b1da25793da4752bcb5f40a0c29. This hash is the file's unique fingerprint — two files with the same SHA-256 are identical. Use it to confirm you're looking at exactly this file (not just one with the same name) when comparing against antivirus databases or a download's published checksum.
  • This report reflects the scan run on July 11, 2026. Because a file's hash never changes, the identity of certificato_di_conoscenza_della_lingua_italiana_ 2.pdf is fixed — but antivirus coverage improves over time, so a file that looks clean today can pick up detections later (and vice-versa). If you need the latest picture, MalwareTips staff can re-run the analysis from scratch.
Community classification

Reviews & malware reports(0)

Tell the community what you saw. Tag the sample — Trojan, Adware, False Positive — and share what the file did on your system. Your report helps confirm or dispute the AV verdict.

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Files are processed in a streaming pass-through — MalwareTips never stores the binary on its servers. Only the scan result (hash, detections, verdict) is retained so the next person who scans the same file gets an instant answer. If you ran this file on your computer and are worried, scan your system with an up-to-date antivirus and change critical passwords from a different device.