Malicious PDF — malware analysis report

Static analysis result for SHA-256 bff4b96961915e62…

MALICIOUS

PDF

35.6 KB Created: 2021-06-08 16:56:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 063cf647211324f272afecdbf8ce3c15 SHA-1: 4e544db8300754928af0b68bc4c8df1147ed7972 SHA-256: bff4b96961915e62234c428d01fe835186a17262febbfec7ed2349b50d605e15
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by a machine learning classifier and ClamAV, with a heuristic indicating it's an image-only lure designed to trick users. It contains embedded URLs that likely lead to malicious content or phishing pages. The document body is heavily obfuscated and appears to contain metadata rather than user-readable content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6860

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info 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://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/06ebeecdb582e2c4f50892f2a6cfbe86/87716214910.pdf PDF link annotation
    • http://verkoop-je-wagen.be/In PDF document text

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