Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://dafemum.ru/123?utm_term=command+prompt++filehippo PDF link annotation

  • https://xijoxipuxob.weebly.com/uploads/1/3/4/7/134704834/xiximagisu.pdfIn PDF document text
  • https://voviteri.weebly.com/uploads/1/3/4/9/134904749/midovinateno_veger.pdfIn PDF document text
  • https://feropozu.weebly.com/uploads/1/3/1/4/131454035/3561711.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374181/normal_600daa8439c31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470218/normal_606a4414236b4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485818/normal_5fcd0ca01697a.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/a23c64f9-ec95-42fd-83c6-5442e76ffe2b/how_to_pick_penny_stocks.pdfIn PDF document text
  • http://jozeluwofe.pbworks.com/w/file/fetch/144418983/9.snf_fizik_dayankllk_sorular_ve_cevaplar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10987c3a-97b7-42f3-86dc-4eb76b826dd5/99739028243.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47a194a0-54fa-489b-985e-58a0257f78ff/norcold_refrigerator_not_working_at_all.pdfIn PDF document text
  • http://sagidetubi.pbworks.com/w/file/fetch/144591456/cleveland_county_oklahoma_sheriff_inmate_search.pdfIn PDF document text
  • http://suniger.pbworks.com/f/turbulence_training_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a49d6b53-8cc8-4780-bbae-d2a83c3e3a21/xerox_workcentre_3325_toner_cartridge.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1ff6135-0241-4fb0-9396-e72075eec159/seaga_vending_machine.pdfIn PDF document text
  • http://juvupumanut.pbworks.com/f/how_to_open_a_sentry_safe_without_combination.pdfIn PDF document text
  • http://figinav.pbworks.com/w/file/fetch/144542103/is_high_fat_diet_bad_for_cholesterol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aaee27a4-167a-40c0-bccc-2e301d7cdc1e/14267805383.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d439cd54-9fb3-4ab3-a8cf-7c97eef7eaae/30k_legions_tactics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6abc8ad0-3f6a-4dac-b13f-80faab6dfc5d/ditol.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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