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.club/wix?keyword=google.exe+download+game In PDF document text

  • http://files.shipofimagination.com/uploads/1/3/1/3/131398025/5022954.pdfIn PDF document text
  • http://volun.greybeardadventurer.com/uploads/1/3/0/7/130739615/febukuvokaz.pdfIn PDF document text
  • http://files.motivelove.com/uploads/1/3/1/8/131856632/tasidoba-jumano-nelovopuja.pdfIn PDF document text
  • http://paxile.pattyspetalsgodfrey.com/uploads/1/3/2/8/132814343/vumirodazisoj.pdfIn PDF document text
  • http://fesip.taylordavisphilosophy.com/uploads/1/3/1/4/131438563/xatawogeta.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://02998b7a-2a6f-4310-a892-29b5f9d1c6d0.filesusr.com/ugd/5af86b_a381af1c58f94e0c97fc8609905198fe.pdf?index=trueIn PDF document text
  • https://e06576e8-9a63-4cb5-bb3d-313a8caa1316.filesusr.com/ugd/80685d_7aa5001f96494ca1918ec49633756eb9.pdf?index=trueIn PDF document text
  • https://a50ca548-57af-40f3-9855-c77efba7e34d.filesusr.com/ugd/ce5d00_06e0094d44a34bd980396f2795940429.pdf?index=trueIn PDF document text
  • https://d31a6984-0bb1-4908-89b6-efe82d3c220b.filesusr.com/ugd/8dde66_75bdb4938cb84e8c8a01e3fa15c269a5.pdf?index=trueIn PDF document text
  • https://d087f66f-22ac-47ba-9b3b-83153613ab69.filesusr.com/ugd/943725_9d57de563b3e4066b1063fa7a99652c8.pdf?index=trueIn PDF document text
  • https://a413e8f0-4809-4e88-a4aa-2fede430d64b.filesusr.com/ugd/0cd019_000cb1c52d00415182bc6e166f38daa8.pdf?index=trueIn PDF document text
  • https://c8f2c78b-a60d-4476-88ff-c5f8d129c078.filesusr.com/ugd/3db607_72806ccd9a624ed7893daec804f4a5c5.pdf?index=trueIn 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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