Malicious PDF — malware analysis report

Static analysis result for SHA-256 50f194834394e3e1…

MALICIOUS

PDF

1.03 MB Created: 2021-03-17 15:35:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c49acd497460db4a9d46e8ba6649d2b5 SHA-1: 86e58c9cc1031e2be939eed2661a0e38585181aa SHA-256: 50f194834394e3e1e46e526c85d7fc3f3f11a5ecca720a67f10871f4d519308b
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains a link to a known malicious redirector. The document body text, though heavily obfuscated, appears to be a lure for a free PDF download. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0056

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://yafferge.ru/award?keyword=architect+s+handbook+of+professional+practice+free+pdf

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