Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://seumenha.ru/award?keyword=acca+f5+study+material+pdf PDF link annotation

  • http://healthit.space/76074937051k9h1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4503524/normal_602c11821119f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4452385/normal_60088ebe5a780.pdfIn PDF document text
  • http://rubyshup.space/nukejolevujinezim543xq.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417208/normal_600dce37ec67d.pdfIn PDF document text
  • http://djami.ru/zagubexa9tu1p.pdfIn PDF document text
  • http://wide-mean.top/borizawanumiwimujalunj6nig.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374857/normal_601393c7a7409.pdfIn PDF document text
  • https://cdn.sqhk.co/ruxuvedije/gighR9g/family_island_farm_game_adventure_apk_hile.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4480161/normal_601d209cc31b8.pdfIn PDF document text
  • http://wersita.fun/fugl_meyer_assessment_upper_extremitykfmyv.pdfIn PDF document text
  • https://cdn.sqhk.co/bepeguvovori/o99esZJ/sizijo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://bf130ee1-1463-4c69-9604-1b23772ced92.filesusr.com/ugd/b4609a_0f9ca3c52af847c1863f661f6a13ed37.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a75b8fc2-8abb-483d-b2df-cab221b1045c/wordpress_access_admin_panel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/700f9f7c-149c-4e7e-8630-8f8633f7bd72/61621891328.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/008f304d-f809-46bb-b2ea-a2af13c1f5e3/nalasesawujo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1fdda5db-59b6-4bca-b1e9-cd5b4d5003a0/how_to_workout_your_back_with_resistance_bands.pdfIn PDF document text
  • https://ed36ca5d-e6e9-4caf-8bbb-3a8af5cfee16.filesusr.com/ugd/971556_fb656f2ebaf64191bb1170f89daae553.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/fefc51d8-e433-478a-9e73-36beee0be07b/77017500588.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14083d91-5fef-4199-baeb-23037b54002d/what_is_the_ideal_healthy_diet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37edb277-8dff-4f9a-a4a6-9cf4e612eed1/dungeon_and_dragons_rule_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb323eae-d10e-4285-9690-993294f8602e/53042333142.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff89b0a2-2a85-4b5f-b72a-29f119280d8a/how_to_practice_drawing_from_imagination.pdfIn PDF document text
  • https://3e021c9a-284a-4c54-9ba1-f6d43d4d2ba5.filesusr.com/ugd/a619af_710ce3f812d047b4a40630b5021f6ea3.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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