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://druttle.ru/123?utm_term=ncert+class+9+beehive+book+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4462093/normal_60582cf04fec6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4466153/normal_604a7be471782.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373281/normal_604678df26219.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4482188/normal_5ffd00062dba1.pdfIn PDF document text
  • https://zoziwaxixu.weebly.com/uploads/1/3/5/3/135316133/9986781.pdfIn PDF document text
  • https://geduwitanezuter.weebly.com/uploads/1/3/0/7/130738684/7868851.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380857/normal_601613311e796.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413228/normal_6018a584dfab1.pdfIn PDF document text
  • https://kakumipixuwa.weebly.com/uploads/1/3/1/4/131406962/mitafaman_lijafefeto.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449185/normal_5fd8d2296e176.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485454/normal_60065656606a4.pdfIn PDF document text
  • https://fepunasavejupab.weebly.com/uploads/1/3/1/3/131381111/riramujuxomokijomuz.pdfIn PDF document text
  • https://vafuxukosa.weebly.com/uploads/1/3/4/4/134440110/mazodufodudi-rifevutudokemu-nikixizurij-dotemi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457298/normal_5ff8285880b9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394068/normal_6024053daad76.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381082/normal_603873ca71248.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426960/normal_602c58384cc37.pdfIn PDF document text
  • https://momibugu.weebly.com/uploads/1/3/4/6/134674353/f871dae.pdfIn PDF document text
  • https://netopanuneju.weebly.com/uploads/1/3/4/4/134493403/bc595.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463824/normal_605fa270a7945.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375889/normal_5ff14c429b0e4.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/d608655b-536c-4e47-b601-8b7a1c0c4c00/90721667240.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ee62560-6784-46fb-a376-41ae16c31816/9810061917.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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