Malicious PDF — malware analysis report

Static analysis result for SHA-256 af272ccef56d8ba5…

MALICIOUS

PDF

73.0 KB Created: 2022-05-28 08:38:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 5226e79c218684382b05947dd95eb249 SHA-1: 9b8ad5697b4916d506cf1a71d08220fba355ff7b SHA-256: af272ccef56d8ba5e7098291cea2826cc8a0ba9f832cc8317d3faa5b8130b4dd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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://mifuj.co.za/YmrXLWy8?keyword=naming%20angles%20worksheet%204th%20grade%20pdf%20download%20full PDF link annotation
    • https://butchercurnow.com/img/shop/contents/4907210712.pdfIn PDF document text
    • https://sinaxerepedosuj.weebly.com/uploads/1/3/1/3/131398545/6567269.pdfIn PDF document text
    • http://electronicascanaresas.com/kcfinder/upload/files/65841646206.pdfIn PDF document text
    • https://solubowobadiwu.weebly.com/uploads/1/3/4/6/134642134/gesoruwof-gamavisexem-vifeda.pdfIn PDF document text
    • https://dogulusowugol.weebly.com/uploads/1/3/4/4/134493498/254f603d4380bb.pdfIn PDF document text
    • https://mapevitesofik.weebly.com/uploads/1/3/1/6/131606073/acb2d17.pdfIn PDF document text
    • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/tavowuzo.pdfIn PDF document text
    • http://cnctakang.yun2u.com/upload/files/2754812429.pdfIn PDF document text
    • http://topp.pl/_topp/file/sebazadu.pdfIn PDF document text
    • https://mtmnetwork.net/uploadEditor/files/10991650928.pdfIn PDF document text
    • https://pimosejitex.weebly.com/uploads/1/4/1/6/141629912/9486769.pdfIn PDF document text
    • https://katodelof.weebly.com/uploads/1/3/6/0/136051175/8462789.pdfIn PDF document text
    • https://fupomojokom.weebly.com/uploads/1/3/4/4/134458651/rawozekofonudukawez.pdfIn PDF document text
    • https://tuzigopidimeb.weebly.com/uploads/1/3/4/3/134320631/tewolakorukeg.pdfIn PDF document text
    • https://povelelowu.weebly.com/uploads/1/3/4/3/134331265/1580790.pdfIn PDF document text
    • https://andrejc.si/files/file/99283187603.pdfIn PDF document text
    • https://digitaldaya.com/imagenes/file/96300358319.pdfIn PDF document text
    • https://xarefiliji.weebly.com/uploads/1/3/4/7/134735925/6389145.pdfIn PDF document text
    • https://bbox.ru/images/shared/file/44314462762.pdfIn PDF document text
    • https://petexezijep.weebly.com/uploads/1/4/1/3/141317579/sakobap.pdfIn PDF document text
    • https://regapopuro.weebly.com/uploads/1/3/5/9/135964604/412f9.pdfIn PDF document text
    • https://bofifufamid.weebly.com/uploads/1/4/1/5/141549867/6443945.pdfIn PDF document text
    • https://grup-rul.ro/printuri-fi/files/sazepovemufipatoxuriwoj.pdfIn PDF document text
    • https://vekukedabil.weebly.com/uploads/1/3/4/7/134710008/jivobabebutuv.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_off0000b922.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB922 11280 bytes
SHA-256: 06bdfe622a00923d0465ebdf531eb2baab07491bb210a28eb5b81c5f461ff6d5
font_01_sfnt_off0000d34d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD34D 16380 bytes
SHA-256: 067ce32fc1606556dbfe0a869816978bad977dca3730213fd97ca761efa8ef21
font_02_sfnt_off0000fdd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDD0 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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