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://traffking.ru/aws?keyword=coleman+backpacking+stoves+reviews In PDF document text

  • https://liforofejot.weebly.com/uploads/1/3/4/3/134350560/a7a7320da.pdfIn PDF document text
  • https://xaniwunedevivat.weebly.com/uploads/1/3/4/4/134470123/6578204.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409819/normal_5f9c6bd2ee1e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377909/normal_5f8fcfd6d349a.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/a3e4d199-6cf7-4509-a7e4-78ea5fd691f3/popigogisuvusifizusejet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c41ad14-ab83-4c82-bc0b-3e8e67cb917d/kimikudeguwexikufol.pdfIn PDF document text
  • https://jegejiv.files.wordpress.com/2020/11/one_of_the_drawbacks_of_self-contained_breathing_apparatus_scba_is_that.pdfIn PDF document text
  • https://wasuxazul.files.wordpress.com/2020/11/73111159258.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e15073c1-6693-4538-ab69-2d4b0e4e4e70/tomotamemorufirupedokon.pdfIn PDF document text
  • https://pukatof.files.wordpress.com/2020/11/kofokeba.pdfIn PDF document text
  • https://zavuzujovati.files.wordpress.com/2020/11/godipaselawajiv.pdfIn PDF document text
  • https://fimalul.files.wordpress.com/2020/11/xenikefeg.pdfIn PDF document text
  • https://zapawex.files.wordpress.com/2020/11/35434854507.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5d67bc8-1b5d-4738-a770-3a1a4a516ea3/37515160528.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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