Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f00216265b86ee6…

MALICIOUS

PDF

65.5 KB Created: 2021-03-07 02:41:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: a973953454a0216b0a5e60d3ba7adaf9 SHA-1: 70b12d0cbd8a8ccba22905a09152628a170a58ec SHA-256: 6f00216265b86ee6ed3d659ddf1102e3168ccd5b927593aeb8ac30ce3b707f34
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many pointing to disposable hosting, and a heuristic identified it as a link farm designed for SEO manipulation. The primary malicious URL, 'https://lozipotod.ru/strik?utm_term=tokyo+ghoul+re+season+1+review', suggests a phishing or scam attempt disguised as content related to the 'Tokyo Ghoul' anime. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing lure, likely intended to redirect users to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5247

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://lozipotod.ru/strik?utm_term=tokyo+ghoul+re+season+1+review PDF link annotation
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