Malicious PDF — malware analysis report

Static analysis result for SHA-256 36e0cd494e06ed09…

MALICIOUS

PDF

37.6 KB Created: 2021-01-13 19:08:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 822d2a6cc7ee7fddcb2d8e302e2117ce SHA-1: 69fb89e7b96b8be2d00ff7576f5d3de59769b1d7 SHA-256: 36e0cd494e06ed096af276b3af098639cbe37a8169effbc4d1f0708c80a1814c
172 Risk Score

Malware Insights

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

The PDF is identified as a phishing lure due to its image-only nature and a clickable link. The embedded URL, https://gettraff.ru/aws?utm_term=define+former+addresses, is flagged as a malicious redirector, indicating the document's intent to lead the user to a harmful destination. ClamAV and ML classifiers also confirm its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5561

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 37 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/aws?utm_term=define+former+addresses

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