Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8f432e3659d9139…

MALICIOUS

PDF

25.2 KB Created: 2020-11-03 10:53:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bc060f006bd3518947ee52b8f108b43b SHA-1: e42c156591db379161a20e05df7c7d9d632048a0 SHA-256: c8f432e3659d913903b7b6dd00fb85ebcf97d5bdbae1240356c1010dfd1f1573
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is designed as an image-only lure, presenting a screenshot to entice users to click a link. The embedded link, https://gettraff.ru/strik?keyword=egypt+games+free+download, is identified as a malicious redirector. The document's structure and the nature of the link strongly suggest it is part of a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 3

  • 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.
  • 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 25 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/strik?keyword=egypt+games+free+download
    • https://cdn-cms.f-static.net/uploads/4417422/normal_5f98d68bceee3.pdf
    • https://cdn-cms.f-static.net/uploads/4382973/normal_5f8d12691a7ca.pdf
    • https://cdn-cms.f-static.net/uploads/4384839/normal_5f97349d339ec.pdf
    • https://cdn-cms.f-static.net/uploads/4383918/normal_5f91e36230cba.pdf
    • https://cdn-cms.f-static.net/uploads/4383792/normal_5f9f344266fba.pdf
    • https://cdn-cms.f-static.net/uploads/4369160/normal_5f907568ec239.pdf
    • https://cdn-cms.f-static.net/uploads/4385634/normal_5f91ef0c65bf7.pdf
    • https://cdn-cms.f-static.net/uploads/4444113/normal_5f9d1a5529f34.pdf
    • https://cdn-cms.f-static.net/uploads/4420240/normal_5fa0d8259e830.pdf
    • https://s3.amazonaws.com/pazifetanegapu/continuous_casting_of_steel_process.pdf
    • https://s3.amazonaws.com/biwubeleba/ijcai_2020_tutorial.pdf

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