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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://midufefew.ru/wix?keyword=jos+a+bank+shirt+fit+guide PDF link annotation

  • https://tunawirivam.weebly.com/uploads/1/3/1/4/131437064/gilijaxakali.pdfIn PDF document text
  • https://dipakexamima.weebly.com/uploads/1/3/1/0/131069759/didorasulib-jedajilisobajav-bikonidoronud.pdfIn PDF document text
  • http://remont-kholodilnikov.website/vavinevofozcve7z.pdfIn PDF document text
  • https://nimaxosonoj.weebly.com/uploads/1/3/4/8/134897368/pupujex-venejixujireko-xoveru-sumuxi.pdfIn PDF document text
  • https://wojuguzibuliru.weebly.com/uploads/1/3/4/8/134896427/sedukaj.pdfIn PDF document text
  • https://pepotojil.weebly.com/uploads/1/3/4/9/134900045/bc9eb.pdfIn PDF document text
  • https://xepolilibud.weebly.com/uploads/1/3/4/5/134591261/b671bbc88f77.pdfIn PDF document text
  • http://erogan-encolumbia.site/kemesatazanize6eaow.pdfIn PDF document text
  • http://idealicait.website/jamb_biology_syllabusjr4k0.pdfIn PDF document text
  • http://shoppingyxplus.xyz/physical_development_activities_for_18-24_monthsmuu37.pdfIn PDF document text
  • https://vudolizozirotor.weebly.com/uploads/1/3/2/8/132815306/741666.pdfIn PDF document text
  • https://jetebudatupa.weebly.com/uploads/1/3/4/7/134748577/6186462.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://43a2ba88-5de9-465b-b95f-6a4d82f2d06e.filesusr.com/ugd/dcbeda_04feedc527cd4d8195032d43ddba30c7.pdf?index=trueIn PDF document text
  • https://b40f07b9-a98f-42b6-a6e2-5dc2c82ebb0e.filesusr.com/ugd/e949ea_b3b9c60811134a3f8dac20f1234c7777.pdf?index=trueIn PDF document text
  • https://e60c805d-b9e1-47fc-b045-983511e9ac1f.filesusr.com/ugd/116bb2_f548ab4a486b4fe28d7d390bb0c255f1.pdf?index=trueIn PDF document text
  • https://e50eee24-2d95-422d-8083-6f618d95927b.filesusr.com/ugd/594ae5_a099a84484fc48dd9550ed617f3eb6fb.pdf?index=trueIn PDF document text
  • https://c3a7a64c-5591-430b-94d7-c2eadfdf3523.filesusr.com/ugd/966478_75f2457c27f44ea0ae67fd14462a95bd.pdf?index=trueIn PDF document text
  • https://6ba8113a-99dc-4618-97bf-d7180f10ff72.filesusr.com/ugd/b6edda_ec5ed2cb4d394d6cbd2c6c9883891181.pdf?index=trueIn PDF document text
  • https://70010cfe-69b1-4fe9-a336-bdfe2418dc1e.filesusr.com/ugd/f1d680_47db6e386d54470daa14a44e2bb56c56.pdf?index=trueIn PDF document text
  • https://8a6b9437-e7f2-49d7-8c24-351b272aa67a.filesusr.com/ugd/b18e4d_8c1a0cf1d0f64f26ac45b37d8a0ea4aa.pdf?index=trueIn PDF document text
  • https://f7f2eb1f-4ce6-40bf-b337-6bcc2c9c1a95.filesusr.com/ugd/dc6899_4e71e1f361ca4837a1c11e9028425067.pdf?index=trueIn PDF document text
  • https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_45cd702932f44a4a9716fb863dac7a37.pdf?index=trueIn PDF document text
  • https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_acad3ef7aac6401b8b8689f7a0eaf931.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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