Malicious PDF — malware analysis report

Static analysis result for SHA-256 9895a5dca98f1768…

MALICIOUS

PDF

81.6 KB Created: 2021-03-11 05:06:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f0b13f9587d0fa1fa7a7302f79287f53 SHA-1: b6dce38f8afbd2b6173283389d55d3ef617d12ec SHA-256: 9895a5dca98f1768822687ebe1730d76ab06f93745efe63495a54946d6694ba5
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a screenshot lure, indicated by the PDF_IMAGE_LURE heuristic, suggesting it's designed to trick users into clicking a link. The embedded URL leads to a suspicious domain, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7484

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 81 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://soxebez.ru/award?keyword=mycobacterium+bovis+infection+in+animals+and+humans+pdf

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