Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7d77a888595f3a9…

MALICIOUS

PDF

76.7 KB Created: 2022-04-19 11:26:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-28
MD5: 89a5051c4ef025c3d28a6aa86979b4ee SHA-1: 1ac4081e81f6ee437ec724084163c167879fac4f SHA-256: c7d77a888595f3a920c2e36f091281fb756760758b1303ed5f5c6803cfec3295
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 http://www.bauernmusikkapelle-stjohann.at/CMS/ckeditor/kcfinder/upload/files/todixuwebit.pdf In PDF document text
    • https://zexonozanefamiw.weebly.com/uploads/1/3/1/1/131163740/9970131.pdfIn PDF document text
    • https://fevuleniwawe.weebly.com/uploads/1/3/4/4/134476097/wexodaxowiwuzowado.pdfIn PDF document text
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1625b133e55111---99382530386.pdfIn PDF document text
    • https://guximegokaxe.weebly.com/uploads/1/3/5/3/135304263/biviwarula-ruxovasomor.pdfIn PDF document text
    • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/1f6360d553e3f38f0b8e3f937a17e7e7/78551700266.pdfIn PDF document text
    • https://heureka-cz.eu/files/tubola.pdfIn PDF document text
    • https://wodikaludesavoz.weebly.com/uploads/1/3/1/4/131453455/4221306.pdfIn PDF document text
    • http://akademibt.com/resimler/files/20069170201.pdfIn PDF document text
    • http://hongphuc.vn/userfiles/file/wozakakom.pdfIn PDF document text
    • https://nugemezan.weebly.com/uploads/1/3/4/3/134359438/f1eb50ef0.pdfIn PDF document text
    • https://musevurimimurom.weebly.com/uploads/1/3/4/7/134711136/9260201.pdfIn PDF document text
    • https://wuxorazaw.weebly.com/uploads/1/3/2/7/132712222/sokilotize.pdfIn PDF document text
    • https://xagogijan.weebly.com/uploads/1/3/4/7/134720006/1b61a.pdfIn PDF document text
    • http://www.albertoabajolimousin.com/abm/Bibliotecas/kcfinder/upload/files/gatomixuxow.pdfIn PDF document text
    • https://zotadipijipas.weebly.com/uploads/1/3/4/4/134467791/3293823.pdfIn PDF document text
    • https://xunitumewotoril.weebly.com/uploads/1/3/4/6/134612341/7558859.pdfIn PDF document text
    • https://dexuwoborusise.weebly.com/uploads/1/3/4/3/134375282/57ea517ed98345.pdfIn PDF document text
    • https://futisukafasuku.weebly.com/uploads/1/3/5/3/135345320/zotibud.pdfIn PDF document text
    • https://ragaz.co.za/YmrXLWy8?keyword=how%20to%20file%20a%20tort%20claim%20against%20uspsPDF link annotation
    • http://alfavs.eu/userfiles/file/worel.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_off0000c6f3.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c6f3.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c6f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6F3 11000 bytes
SHA-256: d679b33ca4486965b02972bafd6e9a30bea8ff5eab208ff4cb2ef30ff954ae42
font_01_sfnt_off0000e084.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE084 16844 bytes
SHA-256: df95bf40d4e907705ff78a20fe51c1bf50b6e815f120fa4ef76e9d8905c6ad4a
font_02_sfnt_off00010c56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C56 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1