Malicious PDF — malware analysis report

Static analysis result for SHA-256 4253124285b7ae1f…

MALICIOUS

PDF

92.4 KB Created: 2022-03-28 19:18:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 6b2bb1905c212056d3c35da6a5a892c0 SHA-1: 0370535101a634ff169042495ada3e3e0b3b3795 SHA-256: 4253124285b7ae1fdb15b399aebdb85610526be3a7748fa5283e036d951ceea2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://colod.co.za/YmrXLWy8?keyword=what%20is%20narrative%20writing%20examples PDF link annotation
    • https://mikakomigat.weebly.com/uploads/1/3/6/0/136054060/da94ea152ef89df.pdfIn PDF document text
    • https://sugasukeni.weebly.com/uploads/1/3/4/8/134878852/noboxunixasevu.pdfIn PDF document text
    • https://jupoxoguji.weebly.com/uploads/1/3/4/0/134097256/donupuvufamupitomo.pdfIn PDF document text
    • https://jijavizoj.weebly.com/uploads/1/3/4/5/134582380/rulozorine-bubefesafibufe.pdfIn PDF document text
    • https://kafowudozajem.weebly.com/uploads/1/3/4/6/134613952/sumevevuvaweparuf.pdfIn PDF document text
    • https://ruvofoxodade.weebly.com/uploads/1/3/0/7/130738615/3694122.pdfIn PDF document text
    • https://xizunobalik.weebly.com/uploads/1/3/0/7/130739811/vevegon-lajilova.pdfIn PDF document text
    • https://piwifagipob.weebly.com/uploads/1/3/1/3/131379899/1074651.pdfIn PDF document text
    • https://vanasukir.weebly.com/uploads/1/3/2/8/132815930/vuzositigoz_gonuxujidaduzav_sobisoxebasu.pdfIn PDF document text
    • https://gobadelo.weebly.com/uploads/1/3/4/5/134594664/3216926.pdfIn PDF document text
    • https://buwapagav.weebly.com/uploads/1/3/1/3/131383965/rizoxagupitepi-joforevowugamim.pdfIn PDF document text
    • https://rimofunoduw.weebly.com/uploads/1/3/4/5/134525219/xixejufulajejakagud.pdfIn PDF document text
    • https://gubanezuwibudo.weebly.com/uploads/1/3/1/6/131606890/jolederij.pdfIn PDF document text
    • https://zowisedaro.weebly.com/uploads/1/3/4/3/134355737/3869fa32bf67.pdfIn PDF document text
    • https://vojosapixetogal.weebly.com/uploads/1/3/4/7/134770394/8e407294d.pdfIn PDF document text
    • https://julogunakununu.weebly.com/uploads/1/3/2/8/132814048/5550272.pdfIn PDF document text
    • https://wumaluko.weebly.com/uploads/1/3/4/7/134716396/fiwiwalivegutob-panuw.pdfIn PDF document text
    • https://zamomojufowa.weebly.com/uploads/1/3/4/6/134613680/c5d585.pdfIn PDF document text
    • https://jidakizunulub.weebly.com/uploads/1/3/1/3/131381167/38e0bbe9.pdfIn PDF document text
    • https://vupimolafi.weebly.com/uploads/1/3/1/3/131398504/17a034fb78c.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_off000107b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107B9 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00011e5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E5D 10828 bytes
SHA-256: 0769408db25af9efaccda56bee212c41a924af4d7b140bea772dc9297b1fc516
font_02_sfnt_off00013737.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13737 16880 bytes
SHA-256: d58ef0ce39949f4966e0347a0a83ade463a1b8f594d3f06e0581d20013838913

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