Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d3dbf780b98f06d…

MALICIOUS

PDF

51.6 KB Created: 2021-01-10 17:30:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d728639bd174cd06878614273840505d SHA-1: 80f1c0e6b2b0b7379f527e78a592b49657ceac4d SHA-256: 5d3dbf780b98f06d834deecc2fec2989c43cc20a69afda1ef360d0e1b6ba50f6
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. It contains an embedded URI pointing to 'trafffi.ru', which is likely part of a phishing attempt to trick users into downloading further malware or revealing sensitive information. The document body, though heavily obfuscated, suggests a lure related to financial reports.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6410

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://trafffi.ru/aws?utm_term=personal+financial+report+template+excel PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4489402/normal_5fe822f6f0135.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385853/normal_5f9e202c90e9e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402294/normal_5fb74ba63db4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405953/normal_5f949597b8b21.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482407/normal_5fe9e4d6ef4d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453747/normal_5fb042ba60dde.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390681/normal_5fed39ecc2291.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369141/normal_5fdc3ea187157.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450158/normal_5fc2187f4295e.pdfIn PDF document text
    • https://s3.amazonaws.com/pewebopufupe/vce_exam_simulator_2._6._1_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/voxazedisula/14279457000.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/wafezijiwafukipidezebetar.pdfIn PDF document text

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