Malicious PDF — malware analysis report

Static analysis result for SHA-256 296f68ee7493404d…

MALICIOUS

PDF

50.6 KB Created: 2020-12-20 19:52:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8d5b621d1731561d768ba1c5a13336f SHA-1: 2c1e8598b58fea26b6e26f5a54b820ce614952f3 SHA-256: 296f68ee7493404da003b666647b5bc11fb16daf5e842c546df891cc85734075
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF is identified as a phishing lure due to its image-only nature and a click-outward action. It contains a critical heuristic firing for a malicious redirector link pointing to 'https://traffmen.ru/aws?utm_term=factory+reset+android+locked+out'. The ML classifier and ClamAV also flagged this file as malicious, supporting the phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6064

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffmen.ru/aws?utm_term=factory+reset+android+locked+out
    • https://static.s123-cdn-static.com/uploads/4464541/normal_5fcbaa93972b0.pdf
    • https://cdn-cms.f-static.net/uploads/4374518/normal_5fa5b30ee7db0.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfd2279c08c7f2b9f0820/1606221110159/elin_nude_mod.pdf
    • https://s3.amazonaws.com/palikuvexake/nudexaviliza.pdf
    • https://static1.squarespace.com/static/5fc15332cd1e280355d72b07/t/5fc394d9f8cdb769c651a347/1606653154473/but_its_alright_lyrics.pdf
    • https://s3.amazonaws.com/xijuxosisomuna/78790589172.pdf
    • https://uploads.strikinglycdn.com/files/83c6375a-89a0-4595-ab0f-cfd30451eb8b/92537574952.pdf
    • https://s3.amazonaws.com/memul/functional_foods_article.pdf
    • https://s3.amazonaws.com/vobuturinivi/lemaluvavaj.pdf
    • https://s3.amazonaws.com/wejuvono/malomutebo.pdf
    • https://uploads.strikinglycdn.com/files/c25f1615-1ba3-443f-8c08-698618caa721/muller_v_oregon_nancy_woloch.pdf

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