Malicious PDF — malware analysis report

Static analysis result for SHA-256 60ef9dfeb49c44db…

MALICIOUS

PDF

67.6 KB Created: 2021-04-01 14:20:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f18eb0b572d3a341e32410c2efb1df2e SHA-1: 7cf9f7ab603cd3223eaee7683aea6979dfb610e2 SHA-256: 60ef9dfeb49c44dbf4f81e1561328598ee62de9bfd0b80f5924eeb8d2734da3f
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with one prominent URL pointing to a site offering car parts, suggesting a lure to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent. No scripts were extracted, but the PDF structure itself is designed to host external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6002

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/aws?utm_term=2002+ford+explorer+starter+replacement
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