Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0cf6fb397fc7fa0…

MALICIOUS

PDF

80.1 KB Created: 2022-04-11 18:49:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-03
MD5: f0530b69742f60b233a18715371ed7ff SHA-1: 3dacb82a385b57ec9f0f688e62e7a2c44cfa7c81 SHA-256: c0cf6fb397fc7fa05deaf2611c455aac36f3797b62ab562dad42aa39c0224ab5
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://tevav.co.za/YmrXLWy8?keyword=can%20you%20have%20a%20kindle%20without%20an%20amazon%20account PDF link annotation
    • https://mobuwutibuw.weebly.com/uploads/1/3/0/7/130739624/mananodikeb.pdfIn PDF document text
    • https://lewejasolon.weebly.com/uploads/1/3/1/4/131437246/4107957.pdfIn PDF document text
    • http://stoka-saarlouis.de/userfiles/file/69407591702.pdfIn PDF document text
    • https://wegejazibeb.weebly.com/uploads/1/3/5/3/135305894/3508026.pdfIn PDF document text
    • https://nokesopupikes.weebly.com/uploads/1/3/4/7/134767934/gisitopuma_jujali.pdfIn PDF document text
    • https://tefewijinoxo.weebly.com/uploads/1/3/4/8/134881123/c00fc7.pdfIn PDF document text
    • https://davijonixumitu.weebly.com/uploads/1/3/5/3/135349017/mefidaku_xetitizawadarez_kopazipuleranal_xubejis.pdfIn PDF document text
    • http://ylplj.com/ckfinder/userfiles/files/fobosu.pdfIn PDF document text
    • https://adm.ativo.com/js/kcfinder/upload/files/gorot.pdfIn PDF document text
    • https://jimirona.weebly.com/uploads/1/3/4/2/134266163/9978590.pdfIn PDF document text
    • https://kabatinamipe.weebly.com/uploads/1/3/4/6/134636342/3e3220.pdfIn PDF document text
    • https://fexiganariv.weebly.com/uploads/1/3/0/7/130739648/nazalozoguli.pdfIn PDF document text
    • https://arrayamed.com/userfiles/file/5604373959.pdfIn PDF document text
    • http://fabrikando.com/cmsimple/images/file/28656092846.pdfIn PDF document text
    • http://akademibt.com/resimler/files/maviforukafilupinu.pdfIn PDF document text
    • http://www.mab-solutions.fr/upload/file/nowitupipefijujujosaj.pdfIn PDF document text
    • https://munazuzane.weebly.com/uploads/1/3/4/3/134350045/dodobufatowagisukuz.pdfIn PDF document text
    • http://designpavelzapletal.cz/files/file/74538600260.pdfIn PDF document text
    • http://sethhukumchandschool.com/userfiles/file/69951481037.pdfIn PDF document text
    • https://fundoohairstyles.com/hairstyler/images/file/sitatituxinijidopafunu.pdfIn PDF document text
    • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/durirenujid.pdfIn PDF document text
    • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623dbeaf5096f---pojisuzak.pdfIn PDF document text
    • http://kkc1.org/htdocs/cljr/data/files/dozogibal.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 extracted file (font_00_sfnt_off0000d494.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d494.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD494 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000eca6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECA6 17304 bytes
SHA-256: 7f4861712b740153be1cdf6fca72eee26d9d8b7ed61c6ae00ff45a9f82336504
font_02_sfnt_off000118f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118F7 10916 bytes
SHA-256: e4bb28141e68abc76bbf15118b4f8a48dff62228724851e0c818dd956b8f77ee