Malicious PDF — malware analysis report

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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://dafemum.ru/strik?utm_term=is+swearing+a+sign+of+high+intelligence In PDF document text

  • http://lnstagramcopyrigtservice.com/black_swan_taleb_book_review8yj3q.pdfIn PDF document text
  • http://world-wild-shop.com/wokagudebina9158e.pdfIn PDF document text
  • http://fenellalucynelle.info/pefegupiwijebiruximonizerrgpjz.pdfIn PDF document text
  • http://hidver.com/what_is_difference_between_von_mises_and_principal_stress0009h.pdfIn PDF document text
  • https://cdn.sqhk.co/jiguluzufuwa/1Pjhm2t/rirarer.pdfIn PDF document text
  • http://tosety.xyz/xiviratesewujulazexehg727.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/noxomosanena/ajiJhd9/dental_assistant_hygiene.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/jigavozef/jdgcHib/velodyne_lidar_stock.pdfIn PDF document text
  • http://trysucre.pro/xafofaripf2ln.pdfIn PDF document text
  • http://anbieterbewertung-autoscoutch.com/download_king_of_fighters_vs_street_fighter0a5eb.pdfIn PDF document text
  • https://cdn.sqhk.co/vifutetax/TvXclie/wobakidogenitatuxi.pdfIn PDF document text
  • http://lnstagramcopyrightservices.org/travel_town_merge_game_threadym9m0.pdfIn PDF document text
  • https://cdn.sqhk.co/jiguluIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7e364d6-63a5-4831-99ef-4c9cd23f8687/dujezulimiwisijawuxagipu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c2b4b33-a6fe-4bb7-b46c-3174a1fc12f4/23942693625.pdfIn PDF document text
  • https://s3.amazonaws.com/buganabowumujef/71694971264.pdfIn PDF document text
  • https://s3.amazonaws.com/gotitibekovi/96110618142.pdfIn PDF document text
  • https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_22857bb8f88b49f7bb38de77abcdf592.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cc8cd2e-6399-45c7-87fd-7629413eae3f/what_are_the_main_components_of_an_organizational_culture_and_why_are_they_important.pdfIn PDF document text
  • https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_e8c1e7099ea34c5ca5a60a26e28cffb4.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/ratixifo/cam_editor_xml.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9cef75e-e9e4-4f6e-b63c-e066b2b8bfa8/does_s_curl_activator_work_for_waves.pdfIn PDF document text
  • https://72b50e20-f79f-40ca-96b4-24bef83e308f.filesusr.com/ugd/1a1092_b7c31da2d9204ef4a7a31825c2c2d552.pdf?index=trueIn 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

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