Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f110ce9a521ab39…

MALICIOUS

PDF

18.6 KB Created: 2020-11-05 21:16:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f8305d5857e9b1c09f5c2a13870f7e4c SHA-1: b041e36df58f9e368936818d88db31f46b3c8bbf SHA-256: 5f110ce9a521ab39b7da97746d64a69891c2ace743827f8428a1e019298a0f3d
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a phishing lure, presenting a screenshot of an 'Apk free fire apk' download to deceive users. It contains numerous links to external sites, including a known malicious redirector at https://cctraff.ru/aws?keyword=apk+free+fire+apk, which likely serves as the initial stage for delivering a malicious payload. The document's structure and the presence of multiple SEO-optimized PDF links further indicate a campaign aimed at driving traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 18 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://cctraff.ru/aws?keyword=apk+free+fire+apk
    • https://jodobape.weebly.com/uploads/1/3/4/3/134317169/tojapun.pdf
    • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/bipudomu-zovexolapagiso-bosadaseki-pibib.pdf
    • https://pasuliwipo.weebly.com/uploads/1/3/1/4/131452824/lunij-wiwavif.pdf
    • https://cdn-cms.f-static.net/uploads/4366374/normal_5f8bceab99d8f.pdf
    • https://cdn-cms.f-static.net/uploads/4412181/normal_5f9542f840949.pdf
    • https://cdn-cms.f-static.net/uploads/4379611/normal_5f8b118472464.pdf
    • https://voligamaxe.weebly.com/uploads/1/3/4/5/134512074/newakevogidalo.pdf
    • https://vejegiraforid.weebly.com/uploads/1/3/4/3/134311029/e14fb6078aac.pdf
    • https://cdn-cms.f-static.net/uploads/4365653/normal_5f89ae4e14310.pdf
    • https://s3.amazonaws.com/gebaxovudofe/viofo_compact_a119_v2_manual.pdf
    • https://s3.amazonaws.com/lezopobigeza/indiabix_aptitude_test_with_answers.pdf

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