Malicious PDF — malware analysis report

Static analysis result for SHA-256 d185fc363c5abc24…

MALICIOUS

PDF

41.6 KB Created: 2020-11-18 01:49:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 498b2925f8775aa8516042779acd8708 SHA-1: 2afbc3b70072c4c3fcc04ad1b4930baa94de591f SHA-256: d185fc363c5abc24fbf8e36403bc37baa1303242507b8453568089139f3a5cb1
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and an ML classifier. Heuristics indicate it's an image-based lure, typical of phishing, with a clickable link to an external URL. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5579

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 41 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 https://traffnew.ru/aws?utm_term=email+marketing+platform+best

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