Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e34bf3bd054481d…

MALICIOUS

PDF

75.8 KB Created: 2022-04-19 10:32:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 579970636575b2d713539acc8e021574 SHA-1: 01b48cb09690102e2e986864e052b68c0f2ded01 SHA-256: 4e34bf3bd054481d34f9777bd44d29e050185cc6d72dc9d287080d12c335c1b8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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://fecuq.co.za/YmrXLWy8?keyword=replace%20new%20imaging%20unit%20samsung%20mlt%20r116 PDF link annotation
    • https://putepinezuvoko.weebly.com/uploads/1/3/1/8/131856998/wogusekutewuf.pdfIn PDF document text
    • https://gunarolapikomi.weebly.com/uploads/1/3/4/4/134442839/godafezu.pdfIn PDF document text
    • https://nifakisafuzum.weebly.com/uploads/1/3/0/7/130775286/5472709.pdfIn PDF document text
    • https://difanivatuj.weebly.com/uploads/1/4/1/3/141339221/1633609.pdfIn PDF document text
    • https://wuwiniwar.weebly.com/uploads/1/4/1/2/141218285/1714311.pdfIn PDF document text
    • https://gekitudofu.weebly.com/uploads/1/3/4/4/134403565/6dd680149a8c0.pdfIn PDF document text
    • https://kagilovudugavap.weebly.com/uploads/1/3/1/1/131164538/7978972.pdfIn PDF document text
    • http://studiovalentini.eu/userfiles/files/vojitazofafowugu.pdfIn PDF document text
    • http://naylorrealty.com/userfiles/file/10996889291.pdfIn PDF document text
    • https://cvconstructionsgoa.com/pharma/admin/userfiles/file/jogumefakixotegufotexu.pdfIn PDF document text
    • https://debozolajaxagaf.weebly.com/uploads/1/3/1/0/131070846/zexof_zelafem_vefudiru_loxesuxoraji.pdfIn PDF document text
    • http://www.nstrechy.cz/upload/files/56808709602.pdfIn PDF document text
    • https://ruwiderok.weebly.com/uploads/1/3/4/8/134891429/rutelutaxexebe.pdfIn PDF document text
    • https://faxefijuw.weebly.com/uploads/1/3/1/8/131872096/1e50675df.pdfIn PDF document text
    • https://kupro.bg/upload/wyswyg/files/8917551212.pdfIn PDF document text
    • https://gorelafuxom.weebly.com/uploads/1/3/4/4/134497365/dabas_gowujazixopovo_filexesapiseser.pdfIn PDF document text
    • https://e-s-c.fr/lib/ckeditor/kcfinder/upload/files/kibanulunoki.pdfIn PDF document text
    • http://forcedainik.com/dbros/public/ckeditor/kcfinder/upload/files/30323929437.pdfIn PDF document text
    • https://xinawekasev.weebly.com/uploads/1/3/0/9/130969151/f2e1f920331bd.pdfIn PDF document text
    • https://jung.su/kcfinder/upload/files/fokerunatumimoxatog.pdfIn PDF document text
    • https://fejoburu.weebly.com/uploads/1/3/0/8/130813906/f76665a8772b7ce.pdfIn PDF document text
    • https://nikudedixipapun.weebly.com/uploads/1/3/4/6/134692686/sizuvu_palorex.pdfIn PDF document text
    • http://rvhifi.cz/files/file/gimokupunumi.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_off0000c308.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC308 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000db1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB1F 11048 bytes
SHA-256: 3af25c930687a26eed96bf8e1601db9b6ca112cc0eeb1a86e42dea7b5f5b04a7
font_02_sfnt_off0000f4f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4F4 16920 bytes
SHA-256: 83425c31caa142b22430066c6e77a19f6545200de1a94d751a60f8b6a532c3ab

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