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
• 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.
• 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://medvor.ru/pbw?utm_term=ejercicios+resueltos+de+repartos+proporcionales+3+eso PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4389366/normal_603e7d4acda9e.pdfIn PDF document text
  • https://nawomabikovuz.weebly.com/uploads/1/3/4/7/134730946/3577005.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465147/normal_60264fe713c85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4473415/normal_604ca1d8ab6d6.pdfIn PDF document text
  • https://zegirapenutiv.weebly.com/uploads/1/3/4/3/134393596/e82c0f13768.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385207/normal_60258c5531755.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415767/normal_605b8efbba00e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380379/normal_5fcf3c1db9653.pdfIn PDF document text
  • https://durozuxazoxete.weebly.com/uploads/1/3/4/6/134647509/2b98c54d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427538/normal_60121dbce8105.pdfIn PDF document text
  • https://jipunexekamu.weebly.com/uploads/1/3/4/5/134588935/9221901.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379355/normal_6050e1bbd1033.pdfIn PDF document text
  • https://minileponefij.weebly.com/uploads/1/3/1/0/131070526/safef.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417123/normal_5feb5f7457fdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414679/normal_605f8fb119f08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485322/normal_601c6a78df7bc.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393033/normal_5fde83ce4aea1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451561/normal_5ff68317acf97.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/15b43d37-efe0-4463-8a41-0052214e218e/ge_gud27essmww_27_unitized_spacemaker_washer_and_electric_dryer_in_white.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d603c1d0-1870-4469-9179-a4e6fa88081c/computer_organization_and_architecture_course_outcomes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27fbffe3-383a-4325-9033-e4418bc35864/40827325537.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70b62fbd-3a28-430d-81b9-5f26573dedb1/what_is_database_management_system_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33fe393e-9094-4581-b161-9b00f4aad637/tascam_388_weight.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75553aa0-cc2d-4c9d-ab3b-135c8acd1c13/do_flammable_safety_cabinets_need_to_be_grounded.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5952589-dc24-4dae-b4dc-d6b82b50e13d/31604019052.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5fab6ada-a6cb-452d-ba31-25ab6d986c74/common_core_sheets_fractions_word_problems.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d76a2b4a-5f0b-4431-9db8-d502dfe0ed5a/battletech_tabletop_miniatures.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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