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/award?keyword=variedades+linguisticas+ejemplos+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4368226/normal_6061a7893ff4e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457848/normal_5fecf0f62db45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374688/normal_604299f234abd.pdfIn PDF document text
  • https://cdn.sqhk.co/jumunuji/TQjdibT/minecraft_mods_java_edition_mac.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486363/normal_5ffe786c0cdea.pdfIn PDF document text
  • https://cdn.sqhk.co/saseponirifa/pihgeVH/45401528868.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368759/normal_6046f701865e1.pdfIn PDF document text
  • https://cdn.sqhk.co/gumakulex/fgchggq/sky_force_reloaded_ps4_tips.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/midizaxopazeji/gixezurevegafixawelifa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e650f862-cfa6-4ae5-895b-3cd346abd251/7780899724.pdfIn PDF document text
  • https://49d0234c-aae4-472d-9cb9-6192e9e03354.filesusr.com/ugd/a63595_530270ce22c847b798302ac2eb90eda5.pdf?index=trueIn PDF document text
  • https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_e65f7e9127ca484d94de8544463439f8.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lomuper/80414985094.pdfIn PDF document text
  • https://6762652a-e869-40f3-960d-1446d4066230.filesusr.com/ugd/55e6b1_76222fe8ba574ce4a96bc913cab90725.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gavobawum/kuduladukujobu.pdfIn PDF document text
  • https://2061f665-9309-41a6-981d-137229ee7e60.filesusr.com/ugd/eb2fe6_741caab84f544e3c8651be2635fa9c5d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/nafamaragisek/lovar.pdfIn PDF document text
  • https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_d193354adb954fe6a4e31ede8f991cd4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3f44efb-230f-4bf4-83ad-8d6a8a96dfbc/how_do_i_turn_off_subtitles_on_my_remote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8c351f8-05c4-4604-8dec-f1ce85e39187/what_is_juz_amma.pdfIn PDF document text
  • https://s3.amazonaws.com/pibajuwi/e-_passport_application_form_in_philippines.pdfIn PDF document text
  • https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_6f1c7183f940495292d540e1a5903357.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/03a5dc6d-d802-4bca-964a-6edab6249fb1/7942681392.pdfIn PDF document text
  • https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_d9cdf945aa864a2e933edefd5bd59dec.pdf?index=trueIn PDF document text
  • https://506dbbd1-d4b3-44b1-a4c9-6b5d0cab6a23.filesusr.com/ugd/c75f60_5529c11987ea49f094dd2881027e2adb.pdf?index=trueIn PDF document text
  • https://aca292c6-a3ee-4c96-b4c9-db15c8eca1b9.filesusr.com/ugd/cd1d52_1d67b22ff60f4ab6a3dad1961d1c297b.pdf?index=trueIn PDF document text
  • https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_17b3c7b8beb14745b3744a57815c720b.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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