Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ab4c81fd91ae9a8…

MALICIOUS

PDF

84.3 KB Created: 2021-03-22 08:21:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40511d5cf9fbf4bb71c51bc9a3ce1dfd SHA-1: 5ed4188c88ba9f06723425e1818864ca77bcfdfb SHA-256: 5ab4c81fd91ae9a80ca5090d01ba35dee248f926e0a54eebad4174baa2566e90
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable action. The embedded URL directs users to a suspicious domain, likely for credential harvesting. No scripts were extracted, but the PDF structure and heuristics strongly indicate a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7286

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 84 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://fokemale.ru/award?keyword=chernobyl+disaster+summary+pdf

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