Malicious PDF — malware analysis report

Static analysis result for SHA-256 5232ce8295f803ac…

MALICIOUS

PDF

36.6 KB Created: 2021-03-21 23:20:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46fd8f802ad6160c0894fd53621e3d3b SHA-1: ee4a94fa14b9f14be0d4a2bccbc10bf957d0243c SHA-256: 5232ce8295f803ac8edbe966a73e58681f59f81871265446edabe97ec089c406
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that appears to be an image-only lure, typical of phishing campaigns. It contains an embedded URI pointing to a suspicious domain, which is likely intended to redirect the user to a malicious site. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6110

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 36 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/aws?utm_term=are+dreams+real+thoughts
    • https://xepesirivow.weebly.com/uploads/1/3/1/4/131408502/8df9b267b8.pdf
    • https://lupenasax.weebly.com/uploads/1/3/4/7/134738003/mafoxut_dazelaga.pdf
    • https://cdn.sqhk.co/sugefixa/GhfihHk/80386414068.pdf
    • https://cdn.sqhk.co/rosomugimo/ijggzij/ice_age_adventures_gameplay.pdf
    • https://8488b7ac-84bc-45ae-88ed-26841205fc59.filesusr.com/ugd/7cda3c_8777f1e895b5447ab3b220abee37eb44.pdf?index=true

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