Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f95d5240b0a66a…

MALICIOUS

PDF

90.9 KB Created: 2022-03-26 10:47:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: ef9ab479a6b3d3b55b9f9ac51a38ac0b SHA-1: ba32eb476c1ec08e764f814f9c2f92d720b9eab9 SHA-256: a4f95d5240b0a66a6507c2a1ff4f46e70c716ee4aa592260a55056ac606fca32
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://yoyep.co.za/YmrXLWy8?keyword=oracle%20database%2012c%20pl/sql%20pdf PDF link annotation
    • https://belifexemanugo.weebly.com/uploads/1/3/6/0/136051541/bazoninifitapokoxuzi.pdfIn PDF document text
    • https://limikasideg.weebly.com/uploads/1/3/4/4/134446439/tuwezaradokeso.pdfIn PDF document text
    • https://nolupomesu.weebly.com/uploads/1/3/7/5/137510536/8072819.pdfIn PDF document text
    • https://lamobivuletopuk.weebly.com/uploads/1/3/4/8/134863798/62c4cd3979cf3.pdfIn PDF document text
    • https://tunoritusaw.weebly.com/uploads/1/3/5/3/135328070/jifaparizon.pdfIn PDF document text
    • https://kifadinegek.weebly.com/uploads/1/3/1/4/131407901/7813e.pdfIn PDF document text
    • https://wakolixib.weebly.com/uploads/1/3/4/7/134706528/lubejosa-zevujefud-laxofesewabofo-pixusoji.pdfIn PDF document text
    • https://roginibexit.weebly.com/uploads/1/3/0/9/130969264/xijor.pdfIn PDF document text
    • https://basisini.weebly.com/uploads/1/3/4/7/134775363/66d83.pdfIn PDF document text
    • https://xuxerativizujaf.weebly.com/uploads/1/3/1/0/131070719/tamorafodejo.pdfIn PDF document text
    • https://nalepigetor.weebly.com/uploads/1/3/0/9/130968958/8580663.pdfIn PDF document text
    • https://jikesisepam.weebly.com/uploads/1/3/1/4/131406861/kerokuzavod-mawowow.pdfIn PDF document text
    • https://jawetixadal.weebly.com/uploads/1/3/1/6/131606755/4761678.pdfIn PDF document text
    • https://paludiwebi.weebly.com/uploads/1/3/4/0/134012690/bfcc6f0.pdfIn PDF document text
    • https://nepujegoxamo.weebly.com/uploads/1/3/4/3/134380276/xugujadivuwogatu.pdfIn PDF document text
    • https://gedorizifoxe.weebly.com/uploads/1/3/1/6/131607240/wenulunapawuse.pdfIn PDF document text
    • https://mewerenazedesaf.weebly.com/uploads/1/3/4/8/134885553/1af4f8.pdfIn PDF document text
    • https://tivelagazevuw.weebly.com/uploads/1/3/4/1/134131505/7422673.pdfIn PDF document text
    • https://dojapoxozali.weebly.com/uploads/1/3/0/7/130775013/2632e98.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_off0000fdcb.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000fdcb.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fdcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDCB 10816 bytes
SHA-256: 8b362c087b85d6a2b94cb3c6df85861c294604fe663168e989f3ee10f84ef33e
font_01_sfnt_off000116a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116A2 17896 bytes
SHA-256: a9da33bdc2fa8c08778983e4e47074e1d563a4e500879b36517064a9056cc968
font_02_sfnt_off0001462a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1462A 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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