Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f5e465d5a4044d3…

MALICIOUS

PDF

58.6 KB Created: 2021-01-02 12:43:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f4453865acde334458d1a3bf90a6310f SHA-1: 1360d4555180132cf5f0df49f7f06f879d1a907f SHA-256: 1f5e465d5a4044d3da27089612ec62a8424cc2e3273848dedcc755a7fd2aec9e
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 ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URL pointing to 'trafffe.ru', which is likely part of a phishing campaign. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9430

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=padman+film++movies+counter PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4481275/normal_5fc6a7dda5333.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416331/normal_5f993c8a57fd2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369327/normal_5f9b04ad79360.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375199/normal_5f94eb6ecb84c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383688/normal_5fa6496e492be.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452385/normal_5fc4a42bc334b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490371/normal_5fad619d16f5d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459163/normal_5fc4ddde26817.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366406/normal_5fd1480d7b221.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d19fad25-ac0a-4e6a-832c-1f39aedadad2/54180377566.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7eff392a-c05b-4784-82c1-51f6ffb70913/lakajifo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d91e229-c054-4080-90f1-add86e1d850c/43847328145.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c385cfc-868e-4997-b0ea-d360c8ebb5c1/thoracic_outlet_syndrome_symptoms_night.pdfIn PDF document text

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