Malicious PDF — malware analysis report

Static analysis result for SHA-256 f99a09166bf1189f…

MALICIOUS

PDF

74.2 KB Created: 2022-03-26 02:59:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: b7b5e00d99689cc93726e75ef3855392 SHA-1: 9982182ed36b8f908cf1362a2326cff634c5ce21 SHA-256: f99a09166bf1189fb5944708aea6aad09ea350d763bd7db5408775683cdc7d25
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://norin.co.za/YmrXLWy8?keyword=tom%20clancy%20games%20ps4 PDF link annotation
    • https://fuxugunepegox.weebly.com/uploads/1/3/4/7/134761488/bovelak.pdfIn PDF document text
    • https://fumotelam.weebly.com/uploads/1/3/4/7/134734881/wajitalifugu_retato_sokesipuva.pdfIn PDF document text
    • https://dubibezu.weebly.com/uploads/1/3/1/4/131453247/da97dca.pdfIn PDF document text
    • https://lapawiniposa.weebly.com/uploads/1/3/5/3/135323982/3060f.pdfIn PDF document text
    • https://xigokerurubupa.weebly.com/uploads/1/3/4/3/134312623/7708751.pdfIn PDF document text
    • https://kunokepipadiri.weebly.com/uploads/1/3/3/9/133997431/5c7a0d8.pdfIn PDF document text
    • https://dofafurubes.weebly.com/uploads/1/3/4/7/134762343/d6bfbe505df621.pdfIn PDF document text
    • https://vijativu.weebly.com/uploads/1/3/4/5/134597759/3324062.pdfIn PDF document text
    • https://wufikasuruxur.weebly.com/uploads/1/3/1/6/131636700/nugud.pdfIn PDF document text
    • https://mubopizolofovo.weebly.com/uploads/1/3/4/4/134442803/04b422db7ffa057.pdfIn PDF document text
    • https://ganusanawopat.weebly.com/uploads/1/3/4/4/134488834/nijisu_dobasaroned.pdfIn PDF document text
    • https://jimedugevebuz.weebly.com/uploads/1/3/4/4/134437071/gixelurutosiz.pdfIn PDF document text
    • https://kabezanaxojuzer.weebly.com/uploads/1/3/4/2/134234652/sabaviveb.pdfIn PDF document text
    • https://wewiwefiwowofaj.weebly.com/uploads/1/3/4/3/134369931/6658654.pdfIn PDF document text
    • https://zuzameponotu.weebly.com/uploads/1/3/1/6/131606203/bupirexoderorijajaw.pdfIn PDF document text
    • https://mobafowowa.weebly.com/uploads/1/3/3/9/133997459/969750.pdfIn PDF document text
    • https://kevonixoxudunu.weebly.com/uploads/1/3/0/7/130775897/4d490b85c.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_off0000be11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE11 10580 bytes
SHA-256: 9a0f1b64b45eecff2df0f09514a8e46aed9a30e2ea70bc0b02ae9c7c1dc13445
font_01_sfnt_off0000d64f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD64F 17360 bytes
SHA-256: 9b825c16435e552bf66fe74777e47293663a69a4c91edc90b177e79957bb3607
font_02_sfnt_off000103f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103F1 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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