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://nipisod.ru/award?keyword=enfermedad+de+celulas+falciformes+pdf PDF link annotation

  • http://springital.fun/yamaha_kodiak_450_model_yearsiku3i.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4494648/normal_5fc5b46bef5a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408707/normal_6026f2a45d069.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457604/normal_604fd4b465606.pdfIn PDF document text
  • http://zoosalon.org/what_are_tics_human_behaviors6pl7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419623/normal_5fdb3a9a7f7cc.pdfIn PDF document text
  • http://usesucre.pro/677382174410xlts.pdfIn PDF document text
  • http://dreabling.online/9844139345wkcgq.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/5f1d55e4-c8f8-4837-b6b7-2551536d253d/10250955574.pdfIn PDF document text
  • https://s3.amazonaws.com/nelizenejakarug/rofofosemomekarejufa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e54a7b8-1875-4af0-9366-00fd57e49b03/minusitoka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ce4be73-6d3d-451e-a7e2-32e6f190691f/how_to_operate_haier_fully_automatic_washing_machine.pdfIn PDF document text
  • https://f039f7e9-c7fa-441d-bf3d-2f0e35d6be10.filesusr.com/ugd/80685d_7a3c91dd409c4858b8f8afb357a23529.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/geosphere_review_worksheet_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/jarawaxanivu/3287492561.pdfIn PDF document text
  • https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_f2a2893767ee47ccb9165e5ff8064246.pdf?index=trueIn PDF document text
  • https://ed8bc375-cd54-49ab-9ddb-988cb5b2fc3d.filesusr.com/ugd/3f3824_7c6b377ff7324f08b93ca93ece1b3dfc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/549c7022-8a06-4847-86bd-d08af8c815e2/23081869220.pdfIn PDF document text
  • https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_e8992b67569b4d1f94d46eca6cadb67e.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/bodajaku/javobowurenawutoxexi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/424605ba-26b3-4648-b4c6-8c65bb8072c6/45868186984.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aaff94d4-986e-4629-b2b8-e74dfe98dadf/nlt_audio_bible_matthew.pdfIn PDF document text
  • https://s3.amazonaws.com/juvuraguvutoxif/bronchopneumonia_in_pediatrics.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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