Malicious PDF — malware analysis report

Static analysis result for SHA-256 df8bee509d1795d2…

MALICIOUS

PDF

83.2 KB Created: 2021-03-11 05:06:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ee50a32012105e4c1837f8c54b5144c SHA-1: 90b6cbe0515d15fca5ef2ba38ca33d8689c1d719 SHA-256: df8bee509d1795d2ad0fe201d2c2e8d7eaf4624201c8804491683e0caee76cca
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document designed as a lure, typical of phishing attacks. It contains a single external URI pointing to a suspicious domain, which is likely used to host a malicious payload or phishing page. The ML classifier and ClamAV detection further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7286

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 83 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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