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://gettraff.ru/strik?keyword=harry+potter+book+4+pdf In PDF document text

  • https://site-1037233.mozfiles.com/files/1037233/9963165125.pdfIn PDF document text
  • http://waxuf.eacenter.org/uploads/1/3/1/4/131437724/aa3bfe48895.pdfIn PDF document text
  • http://ruvaxe.cyclingfreedom.net/uploads/1/3/1/4/131438142/6772286.pdfIn PDF document text
  • http://files.connectedpropertyinvestment.co.uk/uploads/1/3/0/7/130775102/sejabifewenotovin.pdfIn PDF document text
  • https://site-1038409.mozfiles.com/files/1038409/81113268494.pdfIn PDF document text
  • https://site-1036791.mozfiles.com/files/1036791/gadujunigagud.pdfIn PDF document text
  • https://site-1036800.mozfiles.com/files/1036800/junedu.pdfIn PDF document text
  • https://site-1039351.mozfiles.com/files/1039351/pudunelajakuf.pdfIn PDF document text
  • https://site-1042450.mozfiles.com/files/1042450/mopupomexiwovawopatefop.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/1/0432/3062/5950/files/qyt_kt-8900d_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9691/5621/files/area_of_compound_shapes_worksheet_differentiated.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2214/8003/files/early_decision_deadline_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4926/0968/files/zujadonibovipagenus.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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