Malicious PDF — malware analysis report

Static analysis result for SHA-256 941f819977f83d55…

MALICIOUS

PDF

80.6 KB Created: 2022-03-31 16:00:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 6e47ce33777901dee801c8799b9aea52 SHA-1: 3319e40e6e10e103c8aa5f0d094d80228129a631 SHA-256: 941f819977f83d55cbd2c1cb09de711d51ddfd44b342e80c68e0b89148f68c82
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://colod.co.za/YmrXLWy8?keyword=aa%201st%20step%20questions PDF link annotation
    • http://rvmwttc.com/ckeditor/kcfinder/upload/files/66669518308.pdfIn PDF document text
    • https://jisawawaxiwibes.weebly.com/uploads/1/3/1/6/131606947/9854421.pdfIn PDF document text
    • https://fojubilaziri.weebly.com/uploads/1/3/7/4/137498845/jekodovebatig-pefowuvemuvele-jomamuduj-mirijojezam.pdfIn PDF document text
    • https://forugizatufuru.weebly.com/uploads/1/3/1/4/131410167/murofewepazabima.pdfIn PDF document text
    • https://rasaputale.weebly.com/uploads/1/3/5/3/135323831/e9e191390654d2.pdfIn PDF document text
    • https://fetoviwenibade.weebly.com/uploads/1/3/4/7/134701039/7750231.pdfIn PDF document text
    • https://weekendtripskolkata.com/userfiles/file/65711425653.pdfIn PDF document text
    • https://mizipajosufajod.weebly.com/uploads/1/3/4/0/134040675/34b6ab.pdfIn PDF document text
    • https://nugiwilog.weebly.com/uploads/1/3/1/3/131384260/pidojabufukawopu.pdfIn PDF document text
    • https://wadewasugidaf.weebly.com/uploads/1/3/0/7/130775384/3680013.pdfIn PDF document text
    • https://voranafirodibug.weebly.com/uploads/1/3/2/6/132696030/robosagarilop.pdfIn PDF document text
    • https://nesexije.weebly.com/uploads/1/3/1/6/131607346/satoxi.pdfIn PDF document text
    • https://tuzenuzibawura.weebly.com/uploads/1/3/4/7/134733138/6807314.pdfIn PDF document text
    • https://pugudujobux.weebly.com/uploads/1/4/1/2/141253796/xolon.pdfIn PDF document text
    • https://fejufawos.weebly.com/uploads/1/3/4/3/134328201/4596525.pdfIn PDF document text
    • https://loraxero.weebly.com/uploads/1/3/4/3/134332649/wijuwofina_luzesubizar.pdfIn PDF document text
    • https://muwefojiginilu.weebly.com/uploads/1/3/4/5/134512592/4816985.pdfIn PDF document text
    • https://walagewujiw.weebly.com/uploads/1/3/0/9/130968979/9a254.pdfIn PDF document text
    • https://kaxapajitab.weebly.com/uploads/1/3/4/8/134896246/xemen_migokutosu_kutugoguni_xunofixuna.pdfIn PDF document text
    • https://zigifivabukom.weebly.com/uploads/1/3/4/4/134460242/ef039da1.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_off0000d6c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C1 10380 bytes
SHA-256: ea00e40efd3be9e01b61377ef81c4e67aaf3883a76a29016c3dbbe0a1ef5c394
font_01_sfnt_off0000ee6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE6D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001067f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1067F 17524 bytes
SHA-256: 8c1972d0942342e9014f63008dffdafeb681e09eee841cbc42a6f5ed5470a6aa

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