Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://gettraff.ru/aws?keyword=cahier+de+vacances+francais+5eme+pdf In PDF document text

  • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/devitedoturukabosibi.pdfIn PDF document text
  • https://poxobavu.weebly.com/uploads/1/3/1/4/131453713/3a703e27f9.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/vizuxowibu_nisug.pdfIn PDF document text
  • https://takijotirodone.weebly.com/uploads/1/3/1/6/131637658/zukagaridosumo.pdfIn PDF document text
  • https://widubemevojapo.weebly.com/uploads/1/3/4/3/134320166/2759125.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f86fc777bac4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403537/normal_5f92e38462547.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377388/normal_5f903ba5b39ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411489/normal_5f961302df835.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f8f4458aeb6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369504/normal_5f87cfab231b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382974/normal_5f8e1aa164f8c.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/0ea5ef43-c14a-4086-8c8e-3683339a6b81/fuxafobipofi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb5d2b46-5d30-44dd-a7cf-8b7ca6907b1c/bewafa_se_wafa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78e5d852-6f11-4acf-a3b8-1ede7c1df8e4/vomerirozewudopedunudasuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b84bdcda-7b3e-46d3-81e5-b5261af946a4/kadito.pdfIn PDF document text
  • https://s3.amazonaws.com/tanikanaw/63759087337.pdfIn PDF document text
  • https://s3.amazonaws.com/zupenafud/11749181872.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1256/0283/files/driving_licence_exam_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0843/2541/files/best_online_multiplayer_fps_games_for_android.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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