Malicious PDF — malware analysis report

Static analysis result for SHA-256 b45e83a1784a5f61…

MALICIOUS

PDF

40.4 KB Created: 2021-09-17 00:45:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 593006e566c90010e61cba3e0b77f092 SHA-1: 3bc2f0e2128e292ab4b92dc0e663f82d29e2b294 SHA-256: b45e83a1784a5f61a8e278e621f9f14a2ef7b7f2699110833a269f6dfc65e1d0
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating phishing and trojan activity. Static analysis revealed embedded URLs pointing to external domains, suggesting a phishing or malware distribution attempt. The PDF structure and embedded URIs indicate a likely spearphishing attachment, aiming to redirect users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3471

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://inwebjor.ru/uplcv?utm_term=android+game+automation PDF link annotation
    • http://cngwalk.com/fckeditor/userfiles/image/46584010109.pdfIn PDF document text
    • http://ueros.fr/admin/ckfinder/userfiles/files/zagedatiwafemirilimovew.pdfIn PDF document text

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