PDFex — PDF malware analysis

Static analysis result for SHA-256 eb0f7df7d3ce8044…

MALICIOUS

PDF

3.5 KB Created: 2007-10-16 06:43:14 +03:00
MD5: aef4b658548030e4af4afc3bc77631ce SHA-1: f183f4043f61fede9ba386e64adf51b6855814b8 SHA-256: eb0f7df7d3ce8044b0390d28592d6c0e5d58d2386e853644af90dee0aa240f77
138 Risk Score

Malware Insights

PDFex · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File T1059.003 Windows Command Shell

The PDF file contains a malicious URI that attempts to exploit a vulnerability to execute the Windows command interpreter and subsequently calc.exe. The ML classifier and ClamAV detection strongly indicate this is a malicious PDF, likely belonging to the PDFex family, designed for arbitrary command execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9659

Heuristics 4

  • ClamAV: Win.Trojan.PDFex-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.PDFex-2
  • PDF URI references command interpreter path high PDF_DANGEROUS_URI_COMMAND
    PDF contains a /URI action whose target uses a mailto/path traversal shape and references a command interpreter or scripting host. This is not a normal web link and matches legacy PDF command execution/dropper lures.
  • External URI low PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/

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