Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7b215d7b10703f0…

MALICIOUS

PDF

49.6 KB Created: 2020-12-21 06:09:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a6322e4fa2399b73e653d907da6a9d14 SHA-1: b03923bbeb8f3f4027e03a2d96baaaffa5e1792d SHA-256: e7b215d7b10703f0f8fb2dd569719d46c983204c4cbc14a903a3a1b3e26b5715
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, which is designed to trick users into providing credentials. The embedded text and ClamAV detection further support a phishing and trojan classification. No scripts were extracted from this sample, but the presence of a malicious URL is a high-priority indicator.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7179

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://cctraff.ru/strik?utm_term=onedrive+login+error+0x8004deb0
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    • https://static1.squarespace.com/static/5fc583b0affbf90a6609c4d2/t/5fd0ac8912264b5dfdd1a968/1607511177547/runes_warwick_jungle_s8.pdf
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