Malicious PDF — malware analysis report

Static analysis result for SHA-256 af264b39614d07c9…

MALICIOUS

PDF

80.3 KB Created: 2021-03-03 08:13:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: eed2d37f9c79455630dbe392b71fd7be SHA-1: 180da42081cc60d187ec5816a276c739f7dc4682 SHA-256: af264b39614d07c9a293f916d9b8e92fcadeccfd13d6e83a5f941499310bf881
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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/strik?utm_term=english+literature+degree+ireland PDF link annotation
    • https://cdn.sqhk.co/lobinazema/ygjZ0ge/executive_jobs_san_antonio.pdfIn PDF document text
    • https://cdn.sqhk.co/wigalefu/gcVie8z/lenixeborafof.pdfIn PDF document text
    • https://xisasuwida.weebly.com/uploads/1/3/4/4/134472621/tanajofur-falagimelog.pdfIn PDF document text
    • https://cdn.sqhk.co/jilelemo/eje9hge/99730138890.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/gjifn6x/tokaido_2_player_rules.pdfIn PDF document text
    • https://nevipezuke.weebly.com/uploads/1/3/4/6/134652321/6908501.pdfIn PDF document text
    • https://befugusugub.weebly.com/uploads/1/3/2/6/132683140/b29c1cd0cce.pdfIn PDF document text
    • https://cdn.sqhk.co/jaxabofapuw/4PpgcKI/formula_2020_game_review.pdfIn PDF document text
    • https://cdn.sqhk.co/posaleren/fjjjiw0/centrism_definition_government.pdfIn PDF document text
    • https://cdn.sqhk.co/gofelaxes/ihvWCgg/the_bowery_myrtle_beach_alabama.pdfIn PDF document text
    • https://vososodimeditu.weebly.com/uploads/1/3/4/5/134599865/nowevinaxizel.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/90273593551.pdfIn PDF document text
    • https://s3.amazonaws.com/varoximu/filtrete_thermostat_3m25_manual.pdfIn PDF document text
    • http://jetumodegupejit.rf.gd/romantic_whatsapp_status_video_free_punjabi.pdfIn PDF document text
    • http://zazupixuwup.rf.gd/tazedopama.pdfIn PDF document text
    • https://s3.amazonaws.com/litunux/67402692857.pdfIn PDF document text
    • https://s3.amazonaws.com/fipijife/esl_body_parts_worksheet_adults.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fd82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD82 5044 bytes
SHA-256: bd2ce7324955751b216080f9c1519a0ed535a44126326dd81ee03a48fa5a0656
font_01_sfnt_off00010ea2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EA2 10992 bytes
SHA-256: c91a80a8081d9b0d5856f52edac466b87906349df12b28cb4c9f3a14913da248

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