Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c850e6c9b0ef931…

MALICIOUS

PDF

107.8 KB Created: 2022-04-08 03:58:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: 1158a93570678f9596b058c693be32fa SHA-1: 85202c01e452dfeb2eaaee1d6835c4655d104d5a SHA-256: 2c850e6c9b0ef93174d661c195db6787df8af656178a2cf267d372bad42f4fcb
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://sunuf.co.za/YmrXLWy8?keyword=salarios%20policia%20federal%202020 PDF link annotation
    • http://schneider-glossa.ru/kcfinder/upload/files/lositope.pdfIn PDF document text
    • http://phutungototuanphat.com/img-tvdl/files/perapodamorefetepit.pdfIn PDF document text
    • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/b1211369f990adce72c95ff2b66105e3/84900222520.pdfIn PDF document text
    • https://kossuth-csepel.hu/inc/kcfinder/upload/files/50956172036.pdfIn PDF document text
    • http://jovanrajsic.net/storage/files/gitekovepometimizofefunov.pdfIn PDF document text
    • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/68834d1edda17206ca7215b2f9f177a8/tefepomotinategup.pdfIn PDF document text
    • http://yuanhebiotech.com/upload/files/50230979181.pdfIn PDF document text
    • https://vidulegu.weebly.com/uploads/1/3/4/8/134897898/lonipubosokun.pdfIn PDF document text
    • https://pujeradix.weebly.com/uploads/1/3/2/6/132695809/3bea3.pdfIn PDF document text
    • https://tolubezilonis.weebly.com/uploads/1/3/5/3/135348590/kerob.pdfIn PDF document text
    • https://st-stephens-church.com/upload/File/fifudonodef.pdfIn PDF document text
    • https://jesebumu.weebly.com/uploads/1/3/4/6/134617302/bewokasokojiguso.pdfIn PDF document text
    • http://retailcop.ca/files/5356771122.pdfIn PDF document text
    • https://reninifovebomul.weebly.com/uploads/1/3/4/3/134361606/2479100.pdfIn PDF document text
    • https://qigoodteam.com/uploads/files/202202151246487252.pdfIn PDF document text
    • https://wujawosekeg.weebly.com/uploads/1/3/4/7/134712458/vexigu.pdfIn PDF document text
    • https://kibibobufusasi.weebly.com/uploads/1/3/4/6/134643218/7394443.pdfIn PDF document text
    • https://sudivepa.weebly.com/uploads/1/3/5/3/135315425/4607277.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013aaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13AAA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000152bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x152BC 21412 bytes
SHA-256: 7eba291fde33f7540ce6368124aa4d88f663a5d832373e4e194fc68e657cd102
font_02_sfnt_off00018703.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18703 10728 bytes
SHA-256: 7a8b526e394b127be795367f5a9d0acbbf79ea5f8fcc778ed7c95eafb51c0fd8

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