Malicious PDF — malware analysis report

Static analysis result for SHA-256 399ea22e18734952…

MALICIOUS

PDF

67.6 KB Created: 2020-12-22 15:22:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ab5487ad6e12b7afb4629c7936871a6e SHA-1: 918ea6649e8526e4eac1018726c73b2a060dd43c SHA-256: 399ea22e18734952229ef08db585528d653e17e33878d1e7f30c2d0a3acde9bf
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as malicious by multiple heuristics, including ClamAV and an ML classifier, and is flagged as a redirector link. The 'IMAGE_LURE' heuristic indicates it's designed to trick users into clicking by appearing as a screenshot. The embedded URL, https://gettraff.ru/aws?utm_term=cinemavilla+tamil+2018+movies, is a known malicious redirector, suggesting the document's primary purpose is to lead the user to a malicious site for phishing or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8907

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-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.
  • 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://gettraff.ru/aws?utm_term=cinemavilla+tamil+2018+movies
    • https://cdn-cms.f-static.net/uploads/4393751/normal_5f9d7a6871901.pdf
    • https://cdn-cms.f-static.net/uploads/4405895/normal_5fab9c1b6b854.pdf
    • https://cdn-cms.f-static.net/uploads/4458840/normal_5fc354361a61e.pdf
    • https://cdn-cms.f-static.net/uploads/4499351/normal_5fd666f7351c6.pdf
    • https://cdn-cms.f-static.net/uploads/4379856/normal_5f93db4d099ae.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0d7df8cdb769c6aa9000/1606290815276/download_candy_crush_soda_mod_apk_latest_version.pdf
    • https://static1.squarespace.com/static/5fc0dda31452f90b7fe53205/t/5fd13c8ce3865c7b6b7bb290/1607548045143/89882729140.pdf
    • https://s3.amazonaws.com/wanasuvedigo/difejupefirod.pdf
    • https://s3.amazonaws.com/viboxikuz/diccionario_biblico_catolico_para_descargar_gratis_android.pdf
    • https://s3.amazonaws.com/xaliwalufoguni/wodatagonibisona.pdf
    • https://s3.amazonaws.com/wutezigojuxi/performance_appraisal_process_in_it_companies.pdf
    • https://static1.squarespace.com/static/5fc0d446ab79f442f2293e00/t/5fc36395cb3e0f5771bb8c7e/1606640537227/shadow_of_mordor_tips_advanced.pdf
    • https://uploads.strikinglycdn.com/files/22426aa0-021b-4687-b358-4520ce031c50/linegawaxo.pdf

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