Malicious PDF — malware analysis report

Static analysis result for SHA-256 33b919373f55b8d1…

MALICIOUS

PDF

49.6 KB Created: 2021-01-04 01:03:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: cd80a17ced1be9c5ea2c0eba3cb372b4 SHA-1: 6dad41a0a45d9e73792ea17e7992aec3f967e68b SHA-256: 33b919373f55b8d1fa4483ffcb4f7d6eab9843259fe49f4a62957fd740c221c9
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and an ML classifier, with a high-risk score. It contains an embedded URI pointing to 'trafffe.ru', which is flagged as suspicious. The PDF structure and embedded content suggest it's designed to trick users into visiting a malicious URL, likely for phishing or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6098

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://trafffe.ru/aws?utm_term=chahalgani+or+the+forty+formed+by PDF link annotation
    • https://cdn.sqhk.co/kepigofunet/gdiajeH/xadebenuborubakas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421477/normal_5fe8b74704000.pdfIn PDF document text
    • https://zemodeviwiteg.weebly.com/uploads/1/3/4/3/134351550/72b59f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484356/normal_5fd771cfd04fc.pdfIn PDF document text
    • https://cdn.sqhk.co/polirorenu/hhI5Ze0/lixosirujenijekaboti.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470040/normal_5fef187f3af0e.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/88a069e0-51be-4d91-88b8-0e7a4e53af1d/vupoko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c7a382f-060f-4ed9-8352-59cf9fac70cf/fatoriwanafapedinuju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ecc698c5-d037-488a-a902-afb528bff550/pdf_harry_potter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e52cbf2-cbed-439a-830d-5d0d157351cc/vocabulary_spelling_city_promo_code_2020.pdfIn PDF document text

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