Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://ttraff.club/pify?keyword=excel+sheet+apply+template

  • http://lonunawa.sincerelymickie.com/uploads/1/3/1/8/131856190/2255982.pdf
  • http://files.carolkratochwill.net/uploads/1/3/1/0/131071041/2648036.pdf
  • http://files.c3industriesllc.com/uploads/1/3/1/3/131381919/e1716c61f4.pdf
  • http://fezezogim.cambridgesupervisiontraining.org/uploads/1/3/2/6/132681337/divef.pdf
  • http://nikeki.androscogginriverwalk.org/uploads/1/3/1/4/131483167/d8c9cae0f195a.pdf
  • http://files.rosiewaterscounselling.co.uk/uploads/1/3/0/7/130775220/eb1fb2e.pdf
  • http://kapedi.saintpetersriceville.com/uploads/1/3/0/9/130969339/xuwurusazir_lonezowafumixev.pdf
  • http://fezim.alexandraforsythermt.com/uploads/1/3/1/3/131378985/vanejadidopaf.pdf
  • http://files.parishofribbleton.com/uploads/1/3/2/6/132681464/104592.pdf
  • http://files.kerrieannespicer.com/uploads/1/3/2/7/132741181/9132661.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://www.daltonmaag.com/
  • https://static.usrfiles.com/ugd/455f95_c56db8f915404c7382618509f9116e57.pdf
  • https://static.usrfiles.com/ugd/ceb2e8_bca0c6e5e3104924a2356cf36838dcd0.pdf
  • https://cdn.shopify.com/s/files/1/0433/1061/2644/files/34803534628.pdf
  • https://cdn.shopify.com/s/files/1/0461/9377/0654/files/container_home_plans.pdf
  • https://cdn.shopify.com/s/files/1/0435/5765/0584/files/bdo_harpooning_guide.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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