Malicious PDF — malware analysis report

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
• 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.
• 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.
• 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://baarspo.ru/123?utm_term=sundered+endings+guide PDF link annotation

  • https://cdn.sqhk.co/sixepatexup/hf8jcl1/tips_for_free_fire_guide_2019_download.pdfIn PDF document text
  • https://cdn.sqhk.co/xawobovuji/lfgfiaz/89439932526.pdfIn PDF document text
  • https://cdn.sqhk.co/pigevikuwi/fegjjd8/xijevalusajifoxum.pdfIn PDF document text
  • https://cdn.sqhk.co/zetuzire/yLg5ijQ/makebabavivojefakafizebav.pdfIn PDF document text
  • https://cdn.sqhk.co/fuxilumevo/jjajijw/72098011557.pdfIn PDF document text
  • https://cdn.sqhk.co/nobipajami/jjjFPie/cooking_fever_update_september_2019.pdfIn PDF document text
  • https://cdn.sqhk.co/vizoxaxijojo/j0hfimr/bowefejazofutimosonaju.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/jelobasuzet/bgegfja/19483512276.pdfIn PDF document text
  • https://cdn.sqhk.co/jozunufap/cVgfjcU/42431535323.pdfIn PDF document text
  • https://cdn.sqhk.co/detatakev/4nhhYgd/90541576901.pdfIn PDF document text
  • https://cdn.sqhk.co/nobipajami/jjjFPiIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bitizopovopaso/lokujugumuronuveji.pdfIn PDF document text
  • https://ede36962-9452-4451-b182-fa4236ba9bc6.filesusr.com/ugd/83b1b3_ed1d535205ba4b6c8b0b0ee1efa974dc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6bd3486-2890-4910-9668-59f3356e2a98/model_336c_curly_maple_review.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b5e741c-b2fb-451a-8728-bef154e530d2/fapijuxoke.pdfIn PDF document text
  • https://9f9bd9fa-00fe-4673-b34e-9a629881f524.filesusr.com/ugd/09273f_0e5371c16ae54c83811d97ae7febf867.pdf?index=trueIn PDF document text
  • https://84d5b3ab-51dd-4312-87b7-51df18fb3b26.filesusr.com/ugd/9ea9b6_3eafb662ff3641ec9c74e44b48d823a8.pdf?index=trueIn PDF document text
  • https://e510c2d5-567e-4a96-89ff-abc18316baf7.filesusr.com/ugd/8a9bcc_9df0f3101cf44a9584bb19cd77242ba6.pdf?index=trueIn PDF document text
  • https://41fe7446-7195-45c8-906d-de5e784989f9.filesusr.com/ugd/e02969_ab6089a156474f6b924f92390985d8d4.pdf?index=trueIn PDF document text
  • https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_08b78eb94fbf473ebce8948b0758ca71.pdf?index=trueIn PDF document text
  • https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_d6aa5a7bf5b94f33996e343c08b12cdb.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/54c1d8c0-3c84-49c3-8206-edeea5ea9d69/original_betty_crocker_cookbook_pecan_pie_recipe.pdfIn PDF document text
  • https://4cf2acc4-d143-4013-a78d-f21de0873c4f.filesusr.com/ugd/e4636f_5e80546a99e74128958e43019c68c610.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gonasidupij/the_heir_kiera_cass_online.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

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