Malicious PDF — malware analysis report

Heuristics 4

• 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 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://cctraff.ru/strik?keyword=almacenamiento+definicion+pdf In PDF document text

  • https://site-1036840.mozfiles.com/files/1036840/61069438104.pdfIn PDF document text
  • https://site-1043850.mozfiles.com/files/1043850/xaxujixat.pdfIn PDF document text
  • https://site-1040041.mozfiles.com/files/1040041/muwaregodiguratopiw.pdfIn PDF document text
  • https://site-1041301.mozfiles.com/files/1041301/23976458350.pdfIn PDF document text
  • http://files.igor-popov.com/uploads/1/3/1/8/131856247/xaten.pdfIn PDF document text
  • http://tixikapem.comedianjordanjackson.com/uploads/1/3/2/6/132681482/ladomiwolowe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6244/2661/files/doxuxipovokoxoziz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3696/7063/files/the_revenant_book_sparknotes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0469/0558/9920/files/nobatamapezonajidubaxax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52d0e3e6-2868-484b-bab9-7a5540b7de1b/selefe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5d0bf6b-1c53-494b-b009-746ec5b435f3/76075766908.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5672bc89-73f8-4697-b300-0db36a658ae1/musitovudagulajogudokevil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5733beab-9b6f-45cf-8181-0aa4365b1c63/74401375405.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03f0aad2-569d-425a-be33-d2411848382f/kagevav.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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