Malicious PDF — malware analysis report

Static analysis result for SHA-256 01571846a1fc515a…

MALICIOUS

PDF

50.6 KB Created: 2021-01-04 12:09:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: b92aca3097a4f5c0343840358e9a3772 SHA-1: 5626b259c0a7550a8ff869c6e820daa22cc30a0c SHA-256: 01571846a1fc515a0d7f1fb52320fb31d9a6a6d35bd21d56233d5d4aa0129813
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it is a phishing lure, specifically using an image to redirect users to a malicious URL. The ClamAV detection further confirms its malicious nature as a phishing trojan. The embedded URL and the redirector URL are key indicators of this attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5816

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://traffset.ru/aws?utm_term=mdu+date+sheet+reappear+6th+sem+2019 PDF link annotation
    • https://cdn.sqhk.co/juxerawabuf/gjifjhk/syberia_3_xbox_one_allegro.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370777/normal_5fIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/65895907398.pdfIn PDF document text

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