Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3a90a13a41c651…

MALICIOUS

PDF

89.3 KB Created: 2022-04-18 10:06:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: afe5263a8c52ab0dfbb20b28bf49a976 SHA-1: be54e0363ddf19656aef3afbee7e73bb6e71a97b SHA-256: 0d3a90a13a41c65177345b4bddc673069dd08f195b2fa98c0237a6841227c5ec
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=skyrim%20how%20to%20farm%20daedra%20hearts PDF link annotation
    • https://ruwofemenir.weebly.com/uploads/1/3/4/0/134040866/tedaduvisar.pdfIn PDF document text
    • https://ronunafo.weebly.com/uploads/1/3/1/8/131856498/ac05013.pdfIn PDF document text
    • https://sapuzexa.weebly.com/uploads/1/3/5/3/135348006/62944f.pdfIn PDF document text
    • https://fijuxibafituwu.weebly.com/uploads/1/3/4/1/134109117/3932712.pdfIn PDF document text
    • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/9612928.pdfIn PDF document text
    • https://wimazuwog.weebly.com/uploads/1/3/0/7/130740080/tolunevifuki-jemugomilake-menitul.pdfIn PDF document text
    • https://jovigazever.weebly.com/uploads/1/3/1/6/131637362/toxuzomepuj_xisegogifotowis_mixelinitig.pdfIn PDF document text
    • https://kowevufewes.weebly.com/uploads/1/3/4/3/134388306/dijaxadet.pdfIn PDF document text
    • https://lowinegegin.weebly.com/uploads/1/3/1/1/131164077/zipiludavatogib-nusuwur.pdfIn PDF document text
    • https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/zunubigedozem.pdfIn PDF document text
    • https://tikekukitalil.weebly.com/uploads/1/3/2/7/132712015/wurumonufavikutipi.pdfIn PDF document text
    • https://ditiboxoteripu.weebly.com/uploads/1/3/4/7/134763901/3373909.pdfIn PDF document text
    • https://siwelizotelet.weebly.com/uploads/1/3/1/4/131437983/9035898.pdfIn PDF document text
    • https://jaxuguduju.weebly.com/uploads/1/3/4/4/134442137/94190ad4c5.pdfIn PDF document text
    • https://pogixovupo.weebly.com/uploads/1/3/4/6/134690118/a771d9d2066.pdfIn PDF document text
    • https://wumotobabupe.weebly.com/uploads/1/3/0/7/130775865/489036.pdfIn PDF document text
    • https://pakipuxis.weebly.com/uploads/1/3/5/3/135347710/67e3666352f34.pdfIn PDF document text
    • https://juvafize.weebly.com/uploads/1/3/7/5/137516136/zawitinejik.pdfIn PDF document text
    • https://wovovude.weebly.com/uploads/1/3/1/3/131397940/lumusofitu_ruvuwojage_zotiwojevepuf.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_off0000f630.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF630 18420 bytes
SHA-256: 7b3e93e0d6f9e3a8e635c325249bd6bc6c1a885792ff55b7ea316b9a01d6a764
font_01_sfnt_off0001264f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1264F 10836 bytes
SHA-256: b8c4cc7fcb6d2961f3d2d5516b8ca000887eb6a3c5349d2caec67faca49f002d
font_02_sfnt_off00013f72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13F72 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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