Malicious PDF — malware analysis report

Static analysis result for SHA-256 92e29863f2dc610c…

MALICIOUS

PDF

73.9 KB Created: 2021-02-15 09:56:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d3a8a8f651beb410f994c580d61ab190 SHA-1: 666a6730b7ec1566096763b415b1517b30f2d549 SHA-256: 92e29863f2dc610c11ad2f44fb136cea2fb4e8fe2cb9d684e7b82902da6609bb
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, many pointing to disposable hosting and exhibiting link farm characteristics, strongly suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further corroborate its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely intended to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://bologen.ru/aws?utm_term=news+writing+exercises+with+answers+pdf PDF link annotation
    • https://cdn.sqhk.co/rureroso/5ihCBNT/takolafuvenotog.pdfIn PDF document text
    • http://lnstagram-verifedbadge.com/beravafonegunutijovabatvja1a.pdfIn PDF document text
    • http://kowesaxulenim.22web.org/6565128908.pdfIn PDF document text
    • http://agreevudb.rest/65482298760129q2.pdfIn PDF document text
    • http://walkover.me/marble_legend_gamejznfu.pdfIn PDF document text
    • http://b4shop.icu/bunosavinatasewaibnl.pdfIn PDF document text
    • https://cdn.sqhk.co/novigigexuxo/A0ciihe/best_suv_deals_right_now_2020.pdfIn PDF document text
    • http://todayshop.website/7551156405ktyu7.pdfIn PDF document text
    • http://lastasked.com/78494837351grjud.pdfIn PDF document text
    • http://straponartist.com/pagonebedofeommdb.pdfIn PDF document text
    • https://cdn.sqhk.co/vewimidipiv/hjjc8vP/tv_cabinet_design_for_hall.pdfIn PDF document text
    • http://umkatrade.ru/205832688735o904.pdfIn PDF document text
    • https://cdn.sqhk.co/foropogajag/owibAic/22328324493.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nuxumejaxumem.epizy.com/70154926830.pdfIn PDF document text
    • http://jiliwajomagob.rf.gd/sso_id_ki_full_form_kya_hai.pdfIn PDF document text
    • http://banobozibijur.epizy.com/geometry_chapter_1_vocabulary_word_search_answers.pdfIn PDF document text
    • http://favekagopu.epizy.com/17969154703.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_off0000e4c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4C8 5512 bytes
SHA-256: e0ebe193ed24817d2c956826937b73d3fd93e6d76b52c9215ffded025c867d44
font_01_sfnt_off0000f7a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A3 10116 bytes
SHA-256: 55f60b74149ec954dcff260329801078d3d76f4a153b5799e8ff89d462059f5b

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