Malicious PDF — malware analysis report

Static analysis result for SHA-256 14dc5568c86b485f…

MALICIOUS

PDF

70.5 KB Created: 2021-02-18 15:20:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: af0f8d61c3a0e4470504167db787d99c SHA-1: bb92e0961fd4c84ac4a23001d520fd7e95f53c8f SHA-256: 14dc5568c86b485fd1cb797fe99a8c9eee0eee3a6553d27d82cfde64663c053b
224 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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.
  • 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://yafferge.ru/wix?keyword=maui+revealed+pdf+free+download In PDF document text
    • https://cdn.sqhk.co/woledibiroju/gijdEja/sagere.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381988/normal_600b7246acd20.pdfIn PDF document text
    • https://cdn.sqhk.co/xikokopek/Ciemhb5/tovopopab.pdfIn PDF document text
    • https://cdn.sqhk.co/setawigiz/jiccVid/swot_analysis_keynote_template_free.pdfIn PDF document text
    • http://itasummer.fun/manual_del_fusil_beretta_sc_70_90bm9my.pdfIn PDF document text
    • http://giwewewobarijis.22web.org/bulikarasobulel.pdfIn PDF document text
    • https://cdn.sqhk.co/bodujemep/jhOHLkx/merge_gun_shoot_zombie_hack.pdfIn PDF document text
    • https://cdn.sqhk.co/xonarewu/eiiORhc/amazing_world_gumball_penny.pdfIn PDF document text
    • https://cdn.sqhk.co/jawubibegeba/iqjghhL/hitman_2_gold_edition_ps4_gameplay.pdfIn PDF document text
    • http://pipvip.ru/25637651701e4nke.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414352/normal_601aec5912e23.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497695/normal_5fd9346318712.pdfIn PDF document text
    • https://cdn.sqhk.co/tikisudolo/NihX8YE/ghost_blasters_ride_mall_of_america.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367645/normal_6014882f0228e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pukevekoba.rf.gd/8816551892.pdfIn PDF document text
    • http://fepasike.epizy.com/cbse_class_10_result_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/gewuwasi/vehicle_damage_report_form_template.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_off0000d73c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD73C 5016 bytes
SHA-256: aee8b9c1ca5cdb837398cef89e3d7d6c7a01c015db5468a87cdd6d41e98adfcc
font_01_sfnt_off0000e87c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE87C 10736 bytes
SHA-256: 375c3fed5ada5c27129b97d03231d6afeec7de7fbca5cf962ea38ebe721ab490

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