Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://lozipotod.ru/aws?utm_term=calcula+la+molaridad+de+una+disolucion+en+la+que+hay+12g+de+hidroxido+de+calcio PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4383925/normal_602620cc56f58.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422894/normal_5fd1c2c9efa58.pdfIn PDF document text
  • https://kuwiliwal.weebly.com/uploads/1/3/1/3/131378779/9d3eb.pdfIn PDF document text
  • https://wobereresexo.weebly.com/uploads/1/3/1/6/131606335/povositodites_ronirexafiv_tugazil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4529087/normal_6028e3db77a08.pdfIn PDF document text
  • http://changely.club/los_medios_de_comunicacion_empresarialna4yb.pdfIn PDF document text
  • http://arthromedro.xyz/we_were_liars_summary_plot1xj4y.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470035/normal_6014778ec0e63.pdfIn PDF document text
  • http://alphabitx.com/brown_v_board_of_education_decision_summaryw00nc.pdfIn PDF document text
  • https://bogakepidozasa.weebly.com/uploads/1/3/0/7/130739034/fukije_pinebazasomobo_petimupaban_jidaxux.pdfIn PDF document text
  • https://nuzalegexokoz.weebly.com/uploads/1/3/0/8/130814177/cfbb62a428.pdfIn PDF document text
  • https://famepajovajegow.weebly.com/uploads/1/3/1/4/131438188/065fa18.pdfIn PDF document text
  • http://maewallace.com/13638444903rh3lg.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/cd2d561b-a205-4880-8d10-a4c6955be091/how_to_move_a_window_with_keyboard.pdfIn PDF document text
  • https://8c805f22-5240-4a8e-9b4d-8499607ff1fc.filesusr.com/ugd/76156b_516c7388d6b449d3a0905c42995013b1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3c8b8be-5aad-4bad-88c6-ef7803ccdfeb/posufuvumitora.pdfIn PDF document text
  • https://20128683-61eb-4207-b985-d468b1a81fea.filesusr.com/ugd/0049ca_0535b924e0704dff8d91cd61eb928736.pdf?index=trueIn PDF document text
  • http://kiluriboxud.rf.gd/95184806239.pdfIn PDF document text
  • https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_aadc2b47c90a4a15a7bccfc5c5494aa1.pdf?index=trueIn PDF document text
  • https://19e6fc83-c281-4d06-93fd-e8b16a02b90a.filesusr.com/ugd/ce5d00_2acafa0481634a2fa2bbb2fcb6e46797.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c10ba68-9894-4451-998d-9b0f901e393a/graphing_systems_of_inequalities_worksheet_doc.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e3e5c6d-a44b-41b5-8bee-03ea1dce1ed3/vabojinigakoroxosolitub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73b562c1-85f5-432e-90e9-2290c51fd064/what_happens_at_the_end_of_the_road_to_el_dorado.pdfIn PDF document text
  • https://8316a071-1c81-4729-bbc9-bb84f51c1359.filesusr.com/ugd/b2ba6b_2ad8e931dfe048f185d4876660138a37.pdf?index=trueIn PDF document text
  • http://satuzolo.epizy.com/lepolokisa.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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