Malicious PDF — malware analysis report

Static analysis result for SHA-256 78268faa559fc8bb…

MALICIOUS

PDF

68.0 KB Created: 2022-05-09 15:21:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 4fc4ba6f86ca60fae0e87d6e110c34ba SHA-1: cbca54bda4f6e08866f5f90aa1f0de07dc5d7848 SHA-256: 78268faa559fc8bb20d4abfef9cd802134ac20e43f4f2e98aa210c9ff7c5beea
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://cafij.co.za/YmrXLWy8?keyword=states%20of%20matter%20worksheet%20high%20school%20kids%20free%20template PDF link annotation
    • https://sepebukov.weebly.com/uploads/1/3/1/4/131408100/weratopapobop_mogak.pdfIn PDF document text
    • https://rulozakowix.weebly.com/uploads/1/3/4/7/134730123/3df8dc8a43203d.pdfIn PDF document text
    • https://zeruxukekojumu.weebly.com/uploads/1/3/5/3/135345771/kezuko-rufugefemep-durelupigen-lesazezop.pdfIn PDF document text
    • https://bififofivajarat.weebly.com/uploads/1/3/4/3/134315789/4563599.pdfIn PDF document text
    • https://pejifote.weebly.com/uploads/1/3/5/3/135348690/7252550.pdfIn PDF document text
    • https://jizenifujepuv.weebly.com/uploads/1/3/4/4/134489688/ea6988f35eb36.pdfIn PDF document text
    • https://bonolofoguworow.weebly.com/uploads/1/3/4/6/134694868/825d4a24517.pdfIn PDF document text
    • https://ronuladexita.weebly.com/uploads/1/4/1/5/141514979/gidavojo.pdfIn PDF document text
    • https://tawurinerumirun.weebly.com/uploads/1/3/4/6/134648739/falebuwolilukab-wimezimo.pdfIn PDF document text
    • https://vipugexisixow.weebly.com/uploads/1/3/0/7/130775501/6022361.pdfIn PDF document text
    • https://xasuzetevoke.weebly.com/uploads/1/3/2/6/132681443/mikalezutirema.pdfIn PDF document text
    • https://xofajusas.weebly.com/uploads/1/3/1/0/131069744/rawepubakaf.pdfIn PDF document text
    • https://mebodamuruwij.weebly.com/uploads/1/3/5/4/135400263/dajar.pdfIn PDF document text
    • https://forevegil.weebly.com/uploads/1/4/1/4/141413148/suvejexanireto-petowiremovesu-tenojupodu-sidis.pdfIn PDF document text
    • https://nolegajaji.weebly.com/uploads/1/3/4/5/134519786/tojimigez.pdfIn PDF document text
    • https://vetonezawegarej.weebly.com/uploads/1/4/1/5/141524757/fb4346d98db2d.pdfIn PDF document text
    • https://gojojiwegojefuw.weebly.com/uploads/1/3/2/6/132695574/28a995269a475.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_off0000a46f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA46F 15812 bytes
SHA-256: 4dce91fde54520fe35b29f7c1496830cdb7e5504aadf03002c3d2d6c744212ad
font_01_sfnt_off0000cd2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD2C 11216 bytes
SHA-256: e679d7bc45f3f14697debea8a001153087ac9aff6526286539c567efd190b602
font_02_sfnt_off0000e749.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE749 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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