Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e193dc98fb618e…

MALICIOUS

PDF

74.3 KB Created: 2021-01-03 10:47:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 20c8b0440f73bf367b3a882081361eec SHA-1: 095dfde424305622a519f0a53895af316e974d8f SHA-256: d3e193dc98fb618e6b760db1d27a68a795e236604ef49aca112d9b907646e9b4
252 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://cctraff.ru/wb?keyword=free%20robux%20promo%20codes%20for%20roblox%202020 In PDF document text
    • https://cdn.sqhk.co/vivutazawi/VtCiOcs/kitizixipedenar.pdfIn PDF document text
    • https://joxegozul.weebly.com/uploads/1/3/1/0/131070165/wukasadadu.pdfIn PDF document text
    • https://zukutalemuz.weebly.com/uploads/1/3/4/5/134582669/f35da205.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/mezevoxinokimuwamibu.pdfIn PDF document text
    • https://cdn.sqhk.co/milibotobov/dhbjajh/among_us_mod_menu_iphone_apk.pdfIn PDF document text
    • https://kotugelofamoxu.weebly.com/uploads/1/3/4/4/134403640/xevonejedil.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457881/normal_5fdb0e889eb38.pdfIn PDF document text
    • https://cdn.sqhk.co/supesuvepo/hjgd7UE/soccer_online_betting_tips.pdfIn PDF document text
    • https://zodebosamu.weebly.com/uploads/1/3/4/4/134444592/7635249.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5093c67c-1989-4828-b5f1-2193fd80302c/77854921475.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c9b864c8-d476-47a6-915a-c892a301f546/the_lonely_man_of_faith.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e404.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE404 5528 bytes
SHA-256: fd0acec1cc915e59e9a2c10758376dd9bb68c232e49fc6b01c008d3f638a5973
font_01_sfnt_off0000f6c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6C2 11024 bytes
SHA-256: a353c1500688ba0bb3bcde7f01b7629a2d99959a1ba4fe7f82725104bf12865a

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