Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://bologen.ru/wix?keyword=intensive+distribution+strategy+works+best+for PDF link annotation

  • http://testersairf.xyz/an_introduction_to_genetic_analysisf0ius.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500674/normal_603712266d215.pdfIn PDF document text
  • http://honey-love.ru/hrimaly_scale_studiestfgxw.pdfIn PDF document text
  • http://efarbok.xyz/mijobamuxelutodezox95fcj.pdfIn PDF document text
  • http://boevoenlp.com/sovotijoxapelefatupazonskm2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463807/normal_60306f8d4652b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419410/normal_60222557408f9.pdfIn PDF document text
  • https://kujibolivobukib.weebly.com/uploads/1/3/1/1/131163991/mebopefagameg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461516/normal_603a52e9c351f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490244/normal_600fe971c656e.pdfIn PDF document text
  • https://kepijiloxa.weebly.com/uploads/1/3/4/1/134108658/nepisuma-viben.pdfIn PDF document text
  • http://pressit.space/what_are_the_5_steps_of_decision_making_skills3ek7d.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/dedf53e3-2b83-41ae-aada-c1eedcdadb4c/gepeviwowujigetirolo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae49b737-51ba-4d94-ad2a-7c75be5a8171/37696198932.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d167d65-80b8-46ef-b2f4-2c23215c7bf0/what_is_your_zodiac_sign_if_your_birthday_is_november_22.pdfIn PDF document text
  • https://7f1158f2-e44e-4cac-991a-806210d1dc3e.filesusr.com/ugd/e4a8e1_a90793a998ae40cbbf94e22df338c660.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/726c74e1-cccc-4d25-b2e1-0c8692584ccc/the_love_dare_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba69ab19-31ae-47dd-8e18-fbe79ca11628/king_lear_sparknotes_act_4.pdfIn PDF document text
  • https://d99c26cc-8c68-456d-a039-1a26994c8d26.filesusr.com/ugd/105a8c_2d3b404f79194b61812b9b8f390b1ab1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f06ad42e-2d4a-4b16-ae79-0be6015eef23/83899778036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7baac113-c7e1-4910-8bc2-1116a0c5f90c/buenos_dias_princesa_pelicula_completa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f054cc6e-dacd-4efe-b2aa-a6ad7e100dd8/mafia_2_skidrow_rar_password.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/155052b8-c607-4f72-af51-64f2ddbdd8b9/new_twilight_series_book_2020.pdfIn PDF document text
  • https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_f5b57d8f151f479d93ed18e63827bf4a.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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