Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc464fa8c36f662c…

MALICIOUS

PDF

35.6 KB Created: 2020-12-23 17:42:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dd262d283ad8660206ca6c558b73c5a6 SHA-1: ff3069362cd0fe6a4e245cebba7f04a1791f03db SHA-256: fc464fa8c36f662c340a8791f52809881c8889ebae1cb644699e9933595a53d5
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file is identified as a phishing lure, designed to trick users into clicking a link. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and the presence of a known malicious URL indicate that the primary function is to redirect the user to a site controlled by the attacker. The ML classifier and ClamAV detection further support its malicious nature. No scripts were extracted, but the structure suggests exploitation for client execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6962

Heuristics 4

  • 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-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 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://gettraff.ru/strik?utm_term=diecast+ww2+airplanes+for+sale
    • https://dedaruxije.we

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