Malicious PDF — malware analysis report

Static analysis result for SHA-256 af241a89dae9c04c…

MALICIOUS

PDF

76.5 KB Created: 2022-03-31 07:47:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 234aefde7b98edd4f5370cbf958c3f42 SHA-1: 1e1de68c717424b6213a48d055f5a2f8db0c3d8d SHA-256: af241a89dae9c04cf70903235ea9a087d38d8c75d5a2d77869daccb4ebc645a1
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://loheb.co.za/YmrXLWy8?keyword=what%20kind%20of%20book%20is%20the%20woman%20in%20the%20window PDF link annotation
    • https://wamurereleveti.weebly.com/uploads/1/3/5/3/135392703/webawitebijipipa.pdfIn PDF document text
    • https://davijoxo.weebly.com/uploads/1/3/4/3/134357566/ziken.pdfIn PDF document text
    • https://jujizifij.weebly.com/uploads/1/3/4/3/134309807/070ddfa6e.pdfIn PDF document text
    • http://globalroomplus.com/bot/ckfinder/uf/files/49951860062.pdfIn PDF document text
    • https://madisilusira.weebly.com/uploads/1/3/4/3/134321428/finadobiwiw_bugake_taxinu.pdfIn PDF document text
    • http://studiosiciliani.eu/userfiles/files/revemaxeweduw.pdfIn PDF document text
    • https://vuvuzuvikedatun.weebly.com/uploads/1/3/4/5/134529562/zaxon_merukora.pdfIn PDF document text
    • https://zozilevijuni.weebly.com/uploads/1/3/1/3/131383476/7006621.pdfIn PDF document text
    • https://muvisodujop.weebly.com/uploads/1/3/4/3/134358588/zatimi.pdfIn PDF document text
    • https://zipezeroluxufa.weebly.com/uploads/1/3/4/9/134904793/3f7c5c.pdfIn PDF document text
    • https://nesamakamaxo.weebly.com/uploads/1/3/1/6/131636712/nixojekudu.pdfIn PDF document text
    • https://fototinuvanumef.weebly.com/uploads/1/3/1/4/131406749/turaza.pdfIn PDF document text
    • https://riseriku.weebly.com/uploads/1/3/4/5/134585500/gerojetojovad-dogosiz-mumoluf-bezewuwezilaji.pdfIn PDF document text
    • http://w-f-l.de/user_img/file/88566982123.pdfIn PDF document text
    • https://femidizori.weebly.com/uploads/1/3/4/6/134684525/8383221.pdfIn PDF document text
    • https://fazinetogoxuv.weebly.com/uploads/1/3/5/3/135383047/ab6e0279ac625.pdfIn PDF document text
    • https://dununatanag.weebly.com/uploads/1/3/0/7/130775655/8c013282f4.pdfIn PDF document text
    • https://wedisojurul.weebly.com/uploads/1/3/4/5/134515344/326cd6785dc06.pdfIn PDF document text
    • https://puraxatelodo.weebly.com/uploads/1/3/7/5/137518437/nigojed.pdfIn PDF document text
    • http://www.barczyk.plwww.sgpm.krakow.pl/aanewsysn/kcfinder/upload/files/fipopokafize.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_off0000c604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC604 16948 bytes
SHA-256: 8804c8be914a624660da0abbfa9fea3c5b88504ee6686434fbef56e09a7f26c3
font_01_sfnt_off0000f23c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF23C 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000108e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108E0 10784 bytes
SHA-256: 95c739aa2ce98f4deced3f43fc3a620d87f9d0aa20b9156cfe6f493087337577

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