Malicious PDF — malware analysis report

Static analysis result for SHA-256 191c28bb8aaf8d08…

MALICIOUS

PDF

69.8 KB Created: 2022-05-05 18:51:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: f140de29c05dd4339413d5dccc24ea96 SHA-1: bc392769354dcf39947956285cde6ba721a4c68e SHA-256: 191c28bb8aaf8d08f8f159a1c638d7f0f26b59172820fd2f2e504ebfef4be321
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://mifuj.co.za/YmrXLWy8?keyword=bhartiya%20sahitya%20ka%20itihas%20pdf%20free%20full%20text%20download PDF link annotation
    • https://nawawuxilebop.weebly.com/uploads/1/3/4/6/134679594/ee386.pdfIn PDF document text
    • https://livakazogoje.weebly.com/uploads/1/3/4/6/134622539/e57b14171f79dc.pdfIn PDF document text
    • https://vozupixog.weebly.com/uploads/1/3/4/3/134312338/tawiwuxa_xupilisuja_zixuketazom.pdfIn PDF document text
    • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/0c75da37d09e.pdfIn PDF document text
    • https://bejofiba.weebly.com/uploads/1/3/7/5/137501455/7844132.pdfIn PDF document text
    • https://bitekiparoduj.weebly.com/uploads/1/3/4/0/134017536/7879742.pdfIn PDF document text
    • https://jusopusoguwukul.weebly.com/uploads/1/3/4/4/134494455/norasopekezolero.pdfIn PDF document text
    • https://tafulagi.weebly.com/uploads/1/3/4/6/134608062/baxafajuv.pdfIn PDF document text
    • https://tamunalu.weebly.com/uploads/1/3/3/9/133999965/3135767.pdfIn PDF document text
    • https://lewubudakaxawo.weebly.com/uploads/1/3/4/3/134342842/84cdfde43374.pdfIn PDF document text
    • https://tidoleji.weebly.com/uploads/1/3/5/3/135396674/tovomir-dufejezoji.pdfIn PDF document text
    • https://musisemikalig.weebly.com/uploads/1/3/4/6/134694348/gadamani_ledolil_sedujonunadifox_puvegividariz.pdfIn PDF document text
    • https://mezepobavufu.weebly.com/uploads/1/3/4/7/134717124/b4549eb131.pdfIn PDF document text
    • https://sajesugepila.weebly.com/uploads/1/3/4/4/134467456/2309416.pdfIn PDF document text
    • https://nejavolezi.weebly.com/uploads/1/3/4/0/134017816/e1147a621f1.pdfIn PDF document text
    • https://detalejutapebis.weebly.com/uploads/1/3/4/6/134610814/cf6d92520d3.pdfIn PDF document text
    • https://fojokelimavame.weebly.com/uploads/1/3/4/7/134713907/807d9b304a.pdfIn PDF document text
    • https://gewinesigabaja.weebly.com/uploads/1/3/4/7/134728752/fiwofovuwumeba.pdfIn PDF document text
    • https://jiteliwede.weebly.com/uploads/1/4/1/4/141437707/2720261.pdfIn PDF document text
    • https://nituzizuzij.weebly.com/uploads/1/3/6/0/136091047/1948fb9bef6aa5.pdfIn PDF document text
    • https://fenatelelopowi.weebly.com/uploads/1/3/4/5/134510159/tarotene.pdfIn PDF document text
    • https://pusigodumutujor.weebly.com/uploads/1/3/4/6/134610993/e01875.pdfIn PDF document text
    • https://sugasukeni.weebly.com/uploads/1/3/4/8/134878852/3920030.pdfIn PDF document text
    • https://bugomalaked.weebly.com/uploads/1/3/5/3/135324661/tufiguvud-nupiv-joloki.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_off0000aa04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA04 11140 bytes
SHA-256: f98b5fa491fda05c63e776860fc9569f1040c48f5fb1df2a93b8a1422635f375
font_01_sfnt_off0000c41e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC41E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000dc30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC30 16884 bytes
SHA-256: de0058ec4f61359eb3e755d1370fb7facc790a22bef846d2b885f6653c6c8836

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