Malicious PDF — malware analysis report

Static analysis result for SHA-256 b00565059f650ca7…

MALICIOUS

PDF

42.2 KB Created: 2020-12-07 01:54:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4790c32cdde26899ab688cfc2382b5d6 SHA-1: 43f6c4a742ae92562f8c3dbbcc7f02db3c917eeb SHA-256: b00565059f650ca723257767e3a21dc58081b239f80c8c7432a0534622e4f39c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing attacks, containing a clickable link to an external URL. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the PDF structure and embedded URI point towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8577

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-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 42 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/strik?utm_term=introduction+to+biomolecules+ppt
    • https://cdn-cms.f-static.net/uploads/4370266/normal_5fb9fe41d8667.pdf
    • https://cdn-cms.f-static.net/uploads/4474985/normal_5fb3e3028755b.pdf
    • https://cdn-cms.f-static.net/uploads/4365659/normal_5f8a34c992ef9.pdf
    • https://static.s123-cdn-static.com/uploads/4417413/normal_5fc576ad9dcfc.pdf
    • https://static.s123-cdn-static.com/uploads/4387427/normal_5fc9280f29ae8.pdf
    • https://cdn-cms.f-static.net/uploads/4365601/normal_5f86f6635cac4.pdf
    • https://cdn-cms.f-static.net/uploads/4408851/normal_5fbc645f89921.pdf
    • https://cdn-cms.f-static.net/uploads/4503617/normal_5fb776c9bf285.pdf
    • https://cdn-cms.f-static.net/uploads/4407070/normal_5f9f678c8b885.pdf
    • https://cdn-cms.f-static.net/uploads/4378152/normal_5f8fb13c34060.pdf
    • https://cdn-cms.f-static.net/uploads/4408862/normal_5f92ad849fc4e.pdf
    • https://static1.squarespace.com/static/5fc6902f2bbd7406582dc6c6/t/5fca52ea44908d2afbf1393a/1607095019465/drift_track_project_cars_2.pdf
    • https://static1.squarespace.com/static/5fc5bf2cc6229360ecce154d/t/5fc9ede7887b444c61599e6d/1607069159575/phases_of_the_moon_tattoo_down_back.pdf
    • https://uploads.strikinglycdn.com/files/4bbc07bd-bb8f-4fe0-bfc2-0576f3ee8a4a/koxulelogipavolumituv.pdf
    • https://static1.squarespace.com/static/5fc042db8787e8798968ae67/t/5fc0e8bf18e72e5fdbf89553/1606478015875/vomagajositejelerozenosuj.pdf

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