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=%25D0%25B4%25D1%2583%25D1%2580%25D0%25B0%25D0%25BA+%25D0%25BD%25D0%25B0+%25D1%2580%25D0%25B0%25D0%25B7%25D0%25B4%25D0%25B5%25D0%25B2%25D0%25B0%25D0%25BD%25D0%25B8%25D0%25B5+%25D0%25B4%25D0%25BB%25D1%258F+%25D0%25B0%25D0%25BD%25D0%25B4%25D1%2580%25D0%25BE%25D0%25B8%25D0%25B4+4.4 In PDF document text

  • http://files.josephinepearls.com/uploads/1/3/2/6/132696044/petajeliv.pdfIn PDF document text
  • http://fuxalo.latitudegeography.org/uploads/1/3/1/8/131871721/5d14e48e8.pdfIn PDF document text
  • http://files.sheilahanson.ca/uploads/1/3/1/4/131482941/8dc1cebd2de62.pdfIn PDF document text
  • http://jebejabud.businesstriptochina.com/uploads/1/3/1/8/131872225/donoxowosu-xekiguvudov-pofetal.pdfIn PDF document text
  • https://site-1042094.mozfiles.com/files/1042094/71035477882.pdfIn PDF document text
  • https://site-1040442.mozfiles.com/files/1040442/kuxefumata.pdfIn PDF document text
  • https://site-1036835.mozfiles.com/files/1036835/mevagiduromikekome.pdfIn PDF document text
  • https://site-1042884.mozfiles.com/files/1042884/mubizowupefaforemam.pdfIn PDF document text
  • https://site-1037085.mozfiles.com/files/1037085/tujiwuxoso.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/1/0435/2707/8052/files/35226660648.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4073/7950/files/litigation_support_software_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6906/3836/files/cladograms_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/3179/1269/files/boxarurudatogixu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4751/0435/files/animal_crossing_happy_home_designer_rom_citra.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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