Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dddb101b137ec59…

MALICIOUS

PDF

35.6 KB Created: 2020-11-13 01:40:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 81833af7e391eb2b2b4861088b8f1ec4 SHA-1: fb8bba6602bdefffac03f865155f1ab7f74e2182 SHA-256: 3dddb101b137ec59f2d2ca07a38bd815047bda497431857aae674847e23cf3f8
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious due to its structure, which resembles a phishing lure with a full-page screenshot and a clickable action. It contains links to known malicious redirector infrastructure, specifically 'https://ggtraff.ru/strik?utm_term=p1346+99+lexus+rx300'. The presence of embedded URLs and the ML classifier's high confidence score further support its malicious nature. No scripts were extracted from this sample.

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-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 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://ggtraff.ru/strik?utm_term=p1346+99+lexus+rx300
    • https://figotuzu.weebly.com/uploads/1/3/4/5/134579221/8106c8321e68.pdf

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