Malicious PDF — malware analysis report

Static analysis result for SHA-256 af22cfb5453a62a8…

MALICIOUS

PDF

88.1 KB Created: 2022-03-24 04:58:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 5f1d69dad452a4c28dff49c4bdfe5a66 SHA-1: 97dcc455ec66a55eb26239852bbf784db175565b SHA-256: af22cfb5453a62a816129d872f9f431d1bc0e02c76354787669ba31497a2a819
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://yoyep.co.za/YmrXLWy8?keyword=how%20to%20set%20up%20airprint%20on%20epson%20workforce%20845 PDF link annotation
    • https://senuwisaf.weebly.com/uploads/1/3/4/0/134018119/sakaregakukatabenami.pdfIn PDF document text
    • https://mezovojexojija.weebly.com/uploads/1/3/0/8/130874002/wovejalusilu.pdfIn PDF document text
    • https://rukifutotusiz.weebly.com/uploads/1/3/4/6/134685592/pujadinamugelose.pdfIn PDF document text
    • https://sonelalakilo.weebly.com/uploads/1/3/4/4/134400406/2c0e3ead6d.pdfIn PDF document text
    • https://xupujudokoze.weebly.com/uploads/1/3/7/5/137509402/b42b33682f19.pdfIn PDF document text
    • https://bafewalu.weebly.com/uploads/1/3/5/3/135350628/fa4a781e7ea.pdfIn PDF document text
    • https://jevixivuxed.weebly.com/uploads/1/3/4/6/134622771/sujuxelagaliribuxa.pdfIn PDF document text
    • https://xuvidomukak.weebly.com/uploads/1/3/7/5/137503681/gomowisamub.pdfIn PDF document text
    • https://tufezojaf.weebly.com/uploads/1/3/1/3/131384552/wajixejasanulipe.pdfIn PDF document text
    • https://pusemajipi.weebly.com/uploads/1/3/4/4/134471733/2176588.pdfIn PDF document text
    • https://begafirezudafo.weebly.com/uploads/1/3/1/4/131438667/d1ff44ba72c.pdfIn PDF document text
    • https://lakaporizad.weebly.com/uploads/1/3/4/2/134234628/9198199.pdfIn PDF document text
    • https://torolanomopefi.weebly.com/uploads/1/3/0/7/130739669/muzowavadame.pdfIn PDF document text
    • https://xulibaro.weebly.com/uploads/1/3/4/0/134041525/gekinore_ximig_dijobejewapi.pdfIn PDF document text
    • https://dobopekajami.weebly.com/uploads/1/3/4/3/134314215/ea9384ddd1e5920.pdfIn PDF document text
    • https://fosofemojoge.weebly.com/uploads/1/4/1/2/141218448/e18825a81bd.pdfIn PDF document text
    • https://tekoboxini.weebly.com/uploads/1/3/0/8/130814877/pegaxakisijaxut.pdfIn PDF document text
    • https://sinosopad.weebly.com/uploads/1/3/4/8/134892142/lijazekefaj.pdfIn PDF document text
    • https://basisini.weebly.com/uploads/1/3/4/7/134775363/dosuwimarura.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_off0000f3fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3FD 17260 bytes
SHA-256: d3b05b7b31910626b7fc3197d37c4ed26ef99c19acad19f687bda4eb5a9e6fa2
font_01_sfnt_off00012137.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12137 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000137db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x137DB 11116 bytes
SHA-256: 9b2645c3d099950a54cc5b79d928ca32bcfdffa496164e61e9a612d97bb58f90

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