Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e35ffdd49259518…

MALICIOUS

PDF

120.5 KB Created: 2022-04-10 22:39:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: dc79e5f2e5c9f3b164b07cfc973ff511 SHA-1: c0e76ea07e97561f465a3ed3eab96b1a2047052b SHA-256: 4e35ffdd4925951814f8a5cd6b2b5ec77c65b52f109b1d0a2eb89c1d05396d66
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://yoyep.co.za/YmrXLWy8?keyword=bsf%20study%20questions%20acts%20lesson%2025%20day%204 PDF link annotation
    • https://maturana.cl/upload/file/42992217133.pdfIn PDF document text
    • https://radenomubadinor.weebly.com/uploads/1/3/4/1/134108668/01bdb44e.pdfIn PDF document text
    • https://tikokito.weebly.com/uploads/1/3/4/6/134625965/d335e591.pdfIn PDF document text
    • http://red-persimmons.com/upfiles/editor/files/juxaxoferosurozo.pdfIn PDF document text
    • http://www.guidanceias.com/assets/files/plugins/kcfinder/upload/files/70341759449.pdfIn PDF document text
    • https://rinducm1.com/contents/files/74649200992.pdfIn PDF document text
    • https://etimes.mn/uploads/files/48777944545.pdfIn PDF document text
    • http://www.pilartangguh.com/file/1660643030.pdfIn PDF document text
    • https://jagedebake.weebly.com/uploads/1/3/0/7/130738918/5297011.pdfIn PDF document text
    • https://depufavekozumel.weebly.com/uploads/1/3/4/0/134017714/somoger.pdfIn PDF document text
    • https://nezuwiwobitedut.weebly.com/uploads/1/3/4/6/134600585/8758570.pdfIn PDF document text
    • https://vumovifevatu.weebly.com/uploads/1/3/4/4/134492396/5471979.pdfIn PDF document text
    • https://zikazofikadit.weebly.com/uploads/1/3/0/7/130739129/pifopizuwasexexodava.pdfIn PDF document text
    • https://gazododisup.weebly.com/uploads/1/3/4/7/134720907/02334b.pdfIn PDF document text
    • https://micro-logic.ro/images/uploaded/file/towun.pdfIn PDF document text
    • http://ergakiland.ru/files/files/54704233779.pdfIn PDF document text
    • http://ranczowdolinie.com/files/sesobuk.pdfIn PDF document text
    • http://mayinluatudong.com/uploads/userfiles/file/mavimegakadepoweravewu.pdfIn PDF document text
    • https://tijozamuworibop.weebly.com/uploads/1/3/1/6/131607374/tuxavenumanis_logovodew_sizorizagam.pdfIn PDF document text
    • https://nawenakugod.weebly.com/uploads/1/3/6/0/136048640/pafolikov_wabipejevu_xinurap.pdfIn PDF document text
    • https://sosabugipos.weebly.com/uploads/1/3/4/6/134657522/fesodipovok.pdfIn PDF document text
    • http://citlak.de/admin/UserFiles/file/58121904472.pdfIn PDF document text
    • https://matraci.aidb.bg/UserFiles/File/riletowaranagulaketif.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000174c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x174C9 11116 bytes
SHA-256: 7e7222888f89481abf7392089feeee57333a22087d1f6ef2102a08b1ac06a69d
font_01_sfnt_off00018ed4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18ED4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001a6e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A6E6 17232 bytes
SHA-256: 17eb254bc6d116c0f641a03d86f6a676555c583bae8034a58e71f9884ae7c0e6

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