Malicious PDF — malware analysis report

Static analysis result for SHA-256 f64f50fc68002676…

MALICIOUS

PDF

59.0 KB Created: 2021-05-14 22:54:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 7e0d46801a93c1bf33df63d0049d6de6 SHA-1: b72ccb1c8ddd71d30935ea68505e8c8dbdfd5ca3 SHA-256: f64f50fc68002676a74d584ffd7f186d237c73e915dc8bbf138ac73450e79da6
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple embedded URLs, many of which point to disposable hosting and are part of a link farm, suggesting a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a search query, directing users to potentially malicious external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7109

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://kuzutuzo.ru/wb?keyword=how%20to%20check%20the%20transmission%20fluid%20level%20on%20a%20700r4 PDF link annotation
    • http://fanilobepewe.sportsontheweb.net/pafadakapaso.pdfIn PDF document text
    • http://mareson.getenjoyment.net/84187323153.pdfIn PDF document text
    • http://rakapugijumub.sportsontheweb.net/romufurupizifujopor.pdfIn PDF document text
    • http://jekenufakewe.mypressonline.com/58724677146.pdfIn PDF document text
    • http://gratoraama.space/nusatuvigisx216p.pdfIn PDF document text
    • http://dressnbuy.com/27045076734kzt93.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366402/normal_60352447c17f0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389394/normal_6013798dacae8.pdfIn PDF document text
    • https://s3.amazonaws.com/nodetuxapabara/wilabifarodopo.pdfIn PDF document text
    • http://sijukote.rf.gd/78206070768.pdfIn PDF document text
    • http://sedoguzod.rf.gd/37023368968.pdfIn PDF document text
    • http://fopopuwefepa.rf.gd/best_books_for_civil_engineering_competitive_exams.pdfIn PDF document text
    • http://sewoxoxitif.rf.gd/impressora_bematech_mp_4200_th_driver.pdfIn PDF document text
    • https://s3.amazonaws.com/xuxifuzituwu/optiplex_780_specs.pdfIn PDF document text
    • https://s3.amazonaws.com/wewuxuviwar/ganesh_atharvashirsha_full_song.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/kolosukijesusefejewupe.pdfIn PDF document text

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