Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6d6b1c36b0946ef…

MALICIOUS

PDF

50.3 KB Created: 2021-03-15 11:36:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff4c8fa0403c6c687154cd9c1f2b0d5f SHA-1: a14434cf589556f1665d34ca396f4cec8ea97dc7 SHA-256: a6d6b1c36b0946ef21bd0de3cffade74dc690666b41ba8b60eafc71ddbc09be9
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as malicious by ClamAV and an ML classifier, and heuristics indicate it's an image-only lure designed to trick users into clicking an external link. The embedded URL leads to a suspicious domain, suggesting a phishing attempt to harvest credentials or deliver further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6121

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 50 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://crophysi.ru/award?keyword=oxford+chemistry+dictionary+pdf

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