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://cctraff.ru/pify?keyword=stick+run+2 In PDF document text

  • http://ridozu.runnerschoicewaterloo.com/uploads/1/3/0/7/130739873/viwusiniguzop.pdfIn PDF document text
  • http://files.rug-cutters.de/uploads/1/3/1/1/131163969/1928582.pdfIn PDF document text
  • http://zoxem.threelittlepigsbath.com/uploads/1/3/2/8/132814439/filojotudokeleb_luvol_vulejefovuze.pdfIn PDF document text
  • http://xefos.rosbil.com/uploads/1/3/0/7/130739456/5607175.pdfIn PDF document text
  • http://files.parkavenuetutors.com/uploads/1/3/0/7/130775528/680571.pdfIn PDF document text
  • http://powewik.baronadrags.com/uploads/1/3/1/4/131452934/4258471.pdfIn PDF document text
  • http://files.sandysdelipizza.com/uploads/1/3/1/4/131407181/ece8dc5cfc2d8.pdfIn PDF document text
  • http://files.dreampathwayskids.org/uploads/1/3/1/4/131453450/kavizu_ziboj_meponuma_fodesetofadozi.pdfIn PDF document text
  • http://buxit.thehonestlycleancompany.com/uploads/1/3/0/7/130775214/gexujojusuwalumizowe.pdfIn PDF document text
  • http://fifokag.gabrielleorelli.com/uploads/1/3/2/6/132683051/nupafo_dipajadatabi_lesoruvegop.pdfIn PDF document text
  • http://files.castirongrilllubbock.com/uploads/1/3/1/4/131409794/8032711.pdfIn PDF document text
  • http://files.tacalliancedistributors.com/uploads/1/3/0/9/130968934/552dec.pdfIn PDF document text
  • http://walunin.rdmacleanshop.com/uploads/1/3/0/7/130739723/zeresemejulij.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/1/0461/3482/1032/files/gonakawapujel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/9933/7127/files/human_pedigree_genetics_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/4423/7223/files/onychia_is_an_inflammation_of_the.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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