Malicious PDF — malware analysis report

Heuristics 5

• 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://traffset.ru/123?keyword=gopro+user+manual+hero+5+black PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4387918/normal_5f98410129e88.pdfIn PDF document text
  • https://rexojufupul.weebly.com/uploads/1/3/4/5/134523972/ridurer_kefavoxu_rexugosato.pdfIn PDF document text
  • https://nupejaxisolerez.weebly.com/uploads/1/3/4/3/134348845/xelivanu.pdfIn PDF document text
  • https://sijoxedewi.weebly.com/uploads/1/3/4/3/134346210/nevefu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f983986c9488.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380086/normal_5f9ccf165aec0.pdfIn PDF document text
  • https://senobatupubem.weebly.com/uploads/1/3/1/4/131437889/1952608.pdfIn PDF document text
  • https://gekilatati.weebly.com/uploads/1/3/4/3/134378061/burivifow.pdfIn PDF document text
  • https://mefevujeloz.weebly.com/uploads/1/3/4/3/134317202/3579087.pdfIn PDF document text
  • https://mekuxiwefajup.weebly.com/uploads/1/3/0/7/130739023/vulibibitipenex.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/mizikix_bisatezi_nepinek_bebixakewos.pdfIn PDF document text
  • https://bobugebajagon.weebly.com/uploads/1/3/4/6/134682349/3210890.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/2f3fab25-3b34-4697-9972-46c5cb43b0de/omu_treasure_maps_locations.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25a2bc62-08e2-457b-845f-34133e672965/sokezosizufumijonixox.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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