Malicious PDF — malware analysis report

Static analysis result for SHA-256 7828984d1b5c001f…

MALICIOUS

PDF

94.1 KB Created: 2022-03-29 01:38:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 6c4dbf6d62f3dffdc9e3d4efc69fd661 SHA-1: 3dcfe617a19bb7207b627aa8e95e4c05d4c556fb SHA-256: 7828984d1b5c001f173e52830b618b9b56ec6124dae7e4d34f1c200aaaee2c8c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://wirut.co.za/YmrXLWy8?keyword=what%20happened%20to%20pete%20in%20a%20feast%20for%20crows PDF link annotation
    • https://pibefugaradaxo.weebly.com/uploads/1/3/1/3/131398186/bb4fe2bafa.pdfIn PDF document text
    • https://luxefelukij.weebly.com/uploads/1/3/0/7/130775337/xegewilirijazeju.pdfIn PDF document text
    • https://kotedeturu.weebly.com/uploads/1/3/1/6/131606402/7405683.pdfIn PDF document text
    • https://noxubesepa.weebly.com/uploads/1/3/7/4/137499292/2589397.pdfIn PDF document text
    • https://retotitinikuj.weebly.com/uploads/1/3/4/3/134349113/5083214.pdfIn PDF document text
    • https://nekizinatuzi.weebly.com/uploads/1/3/4/3/134325328/6edf69ce0.pdfIn PDF document text
    • https://migirebunimalab.weebly.com/uploads/1/3/1/3/131383914/gozazek.pdfIn PDF document text
    • https://gukufevekexuse.weebly.com/uploads/1/3/5/3/135305262/jebiboti.pdfIn PDF document text
    • https://newafiramolik.weebly.com/uploads/1/3/1/0/131070062/sogipupodon.pdfIn PDF document text
    • https://lerizizevu.weebly.com/uploads/1/3/4/3/134314130/vugevoluvaxitaw_xafixexif_pupigapepojo_dezofajazigiron.pdfIn PDF document text
    • https://simixoko.weebly.com/uploads/1/3/4/8/134867908/kefesevonulabadedep.pdfIn PDF document text
    • https://tasototunone.weebly.com/uploads/1/3/4/7/134755659/rogiwixowo.pdfIn PDF document text
    • https://bibomezu.weebly.com/uploads/1/3/2/7/132710601/da225ca63.pdfIn PDF document text
    • https://fililajivivumir.weebly.com/uploads/1/3/4/4/134456316/6c71aea6.pdfIn PDF document text
    • https://donokodupotev.weebly.com/uploads/1/3/4/3/134317189/1196627.pdfIn PDF document text
    • https://jeputuzomum.weebly.com/uploads/1/3/1/3/131398597/aee4908841e13b.pdfIn PDF document text
    • https://bogemokized.weebly.com/uploads/1/3/4/3/134386998/goguxa_ronesimufog_pesuv_fexakowasadebe.pdfIn PDF document text
    • https://pulatufulufu.weebly.com/uploads/1/3/4/6/134610330/4529271.pdfIn PDF document text
    • https://bivesezuwewosup.weebly.com/uploads/1/3/4/7/134765681/jilibojifejibufo.pdfIn PDF document text
    • https://fuwanitawoge.weebly.com/uploads/1/3/4/4/134436239/jetixazok-zidebig.pdfIn PDF document text
    • https://zapedumukovig.weebly.com/uploads/1/3/0/7/130775012/4e1b74f.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_off00010cf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CF2 17360 bytes
SHA-256: 981d9e362c7eee49f914028fbaa8184e489a540841d807362add5d879bd283d3
font_01_sfnt_off00013a3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A3F 10748 bytes
SHA-256: ba454b4bef345d4fc4213bffa039999b51de6855c755003d462674c1c6ad5441
font_02_sfnt_off00015302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15302 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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