Malicious PDF — malware analysis report

Static analysis result for SHA-256 6974132fa3c4b78d…

MALICIOUS

PDF

52.6 KB Created: 2020-12-25 10:15:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e64224c0b557f73febfd23cb660f2a5c SHA-1: 348965c31285e12b3bb46c35b7250da63d2c5570 SHA-256: 6974132fa3c4b78df6e5c4445479f6fa79ce23a7f9f34257143c92ca88f35e20
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document designed as a lure, typical of phishing attacks. It contains an embedded URI pointing to 'trafffi.ru', which is likely a malicious domain used for further exploitation. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6878

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 52 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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=addictive+thinking+twerski+pdf
    • https://cdn-cms.f-static.net/uploads/4383146/normal_5fad685b78bb7.pdf
    • https://cdn-cms.f-static.net/uploads/4449776/normal_5fbe5531bf34f.pdf
    • https://static.s123-cdn-static.com/uploads/4370737/normal_5fcbd5d77585b.pdf
    • https://cdn-cms.f-static.net/uploads/4367635/normal_5f924c0587995.pdf
    • https://cdn-cms.f-static.net/uploads/4402940/normal_5f9b75c78c6bd.pdf
    • https://static.s123-cdn-static.com/uploads/4385216/normal_5fe2504df3452.pdf
    • https://static.s123-cdn-static.com/uploads/4497348/normal_5fcd60bc2dd4e.pdf
    • https://cdn-cms.f-static.net/uploads/4446270/normal_5fd9a27c6475f.pdf
    • https://cdn-cms.f-static.net/uploads/4391015/normal_5f9077dc86dac.pdf
    • https://cdn-cms.f-static.net/uploads/4366993/normal_5f8748ed42bfc.pdf
    • https://cdn-cms.f-static.net/uploads/4407086/normal_5fa84f0cd2e60.pdf
    • https://uploads.strikinglycdn.com/files/f351b46f-d4f1-4817-9ee7-7ad267e3172a/gikivasepowariri.pdf
    • https://uploads.strikinglycdn.com/files/df490efe-6087-48df-9280-c7f61650141a/who_lives_in_the_sway_house.pdf
    • https://s3.amazonaws.com/mexavofezoxi/javuwitare.pdf

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