Malicious PDF — malware analysis report

Static analysis result for SHA-256 d48a73a746314eee…

MALICIOUS

PDF

67.6 KB Created: 2020-12-03 19:11:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 977fe8e23bed6eb9a5c3eb98c92ebb46 SHA-1: 615320bc20aeeb2b3126ff7a5ed9bb2c46e470a1 SHA-256: d48a73a746314eeed12097b646327aca53d9acbf3fd13715e093a5af5575a030
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. ClamAV and ML classifiers also flagged this PDF as malicious. The embedded URL is the primary indicator of compromise, likely serving as a gateway to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7194

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 67 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://traffset.ru/aws?utm_term=infineon+optimos+power+mosfet+datasheet+explanation
    • https://cdn-cms.f-static.net/uploads/4403822/normal_5fa1a25e2c410.pdf
    • https://cdn-cms.f-static.net/uploads/4370299/normal_5fa50ecc5241d.pdf
    • https://static.s123-cdn-static.com/uploads/4485943/normal_5fc512c9ea266.pdf
    • https://cdn-cms.f-static.net/uploads/4405644/normal_5faadd0d115a3.pdf
    • https://cdn-cms.f-static.net/uploads/4421330/normal_5fb2f564219db.pdf
    • https://static1.squarespace.com/static/5fc576fd8139af037663e8f6/t/5fc6f1ba0623334b0c52c055/1606873533397/wordpress_download_link_add.pdf
    • https://uploads.strikinglycdn.com/files/d44b3c66-2ee9-4b61-91df-971c671aa850/taylors_video_guide_to_clinical_nursing_skills_download.pdf
    • https://s3.amazonaws.com/numunenoji/tidajonefakitibiwizumoz.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4dcaf81c9a2a0c986fde/1606372811161/ps3_racing_games_download.pdf
    • https://uploads.strikinglycdn.com/files/eceb477e-5438-492a-8c82-2dd20626b39a/mavatobefadulexatosep.pdf
    • https://s3.amazonaws.com/magapeguwabe/myers_briggs_test_printable.pdf

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