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://ttraff.me/wix?keyword=world+history+patterns+of+interaction+chapter+30+assessment+answers

  • http://gevet.georgiestaight.com/uploads/1/3/0/9/130969476/gividadofe.pdf
  • http://files.arippleeffect.ca/uploads/1/3/1/3/131380546/79e8d0.pdf
  • http://files.seamensexology.com/uploads/1/3/1/3/131398547/2018437.pdf
  • http://files.aislingrichmond.com/uploads/1/3/1/4/131437312/7005511.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://www.daltonmaag.com/
  • https://dc75ba16-764f-4514-bcdd-a4e8484d7bec.filesusr.com/ugd/756799_92997318d1094bc4bdbe6bb438119dca.pdf?index=true
  • https://912a6f8d-d600-4235-89ac-3fd54f3465c7.filesusr.com/ugd/0bcf16_b0984204e76544bd86f095356e423f08.pdf?index=true
  • https://c6487f34-f0f7-4daa-bf62-1c149a89386f.filesusr.com/ugd/91e123_8ae018658ac0440c99618f4599a09f8d.pdf?index=true
  • https://39ea5c8a-3ab7-4459-92dd-1e913089a594.filesusr.com/ugd/03dcd4_e7bfe3bab0614b1384c7a2c51cb2b501.pdf?index=true
  • https://06e72747-271d-4a21-ac32-6b2d3b64d519.filesusr.com/ugd/0adedf_5e587a2c3cb240468cf0fb92283fe31a.pdf?index=true
  • https://cdn.shopify.com/s/files/1/0472/2963/2677/files/52885921655.pdf
  • https://cdn.shopify.com/s/files/1/0431/4955/7917/files/baladoor_film_songs.pdf
  • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/36478170396.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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