Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdea32197178861f…

MALICIOUS

PDF

50.6 KB Created: 2020-11-14 01:54:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 292ebc85409c73a6a96d617591a3f3fa SHA-1: edf7cf7c5a059c69e31cd5724e593457900ea396 SHA-256: bdea32197178861ff5f5ff3f267bc188d32c5097d829a229e9bb7af7382863cb
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is classified as malicious and contains numerous embedded URLs, many pointing to disposable hosting services. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm strategy, and the presence of external URIs suggests an attempt to redirect the user to potentially harmful content. The ML classifier and ClamAV detection further support its malicious nature, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9650

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://trafffi.ru/aws?utm_term=avengers+endgame+live+wallpaper
    • https://digafixi.weebly.com/uploads/1/3/0/7/130776371/rofimigaso-gegugiranijemo.pdf
    • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/6317.pdf
    • https://lavigumujow.weebly.com/uploads/1/3/4/4/134438710/bevowevuti.pdf
    • https://cdn-cms.f-static.net/uploads/4373505/normal_5fabf0409f20f.pdf
    • https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/vufar.pdf
    • https://cdn-cms.f-static.net/uploads/4448129/normal_5fa9163953e75.pdf
    • https://cdn-cms.f-static.net/uploads/4375507/normal_5f9942711df14.pdf
    • https://cdn-cms.f-static.net/uploads/4367640/normal_5f90370be5330.pdf
    • https://denijebif.weebly.com/uploads/1/3/4/5/134584122/91aedbab939d2.pdf
    • https://jepupuwupojuv.weebly.com/uploads/1/3/4/4/134481076/184da0.pdf
    • https://cdn-cms.f-static.net/uploads/4393901/normal_5fa63d9de499e.pdf
    • https://s3.amazonaws.com/tipikaxe/artificer_5e_2019.pdf
    • https://s3.amazonaws.com/xukonakefules/forest_wyvern_ark_valguero.pdf

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