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.cc/wix?keyword=compensatory+behavior+bulimia In PDF document text

  • http://benab.texasdas.org/uploads/1/3/2/3/132303156/sogujatava_salox_delatuxapofi.pdfIn PDF document text
  • http://files.hanzykim.com/uploads/1/3/1/1/131163736/jetegokevijup_lekipixenisa_patugemexemaw_bisifofanabuta.pdfIn PDF document text
  • http://fodeti.nigelgorskiconsulting.co.uk/uploads/1/3/0/7/130775565/7805eb6002.pdfIn PDF document text
  • http://govemuzes.cariboucafe.com/uploads/1/3/1/3/131384778/gesugesud.pdfIn PDF document text
  • http://files.mattkinsell.com/uploads/1/3/2/6/132683069/8888557.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://0e63707a-1084-4009-bfb7-882411249d3a.filesusr.com/ugd/c88839_d3e0eae3874a420d99637ab2c2972392.pdf?index=trueIn PDF document text
  • https://9a1fba7d-b63a-4be0-82a6-508c3b1d2dc6.filesusr.com/ugd/370ea2_5c64523c9b8d48b1b95c3cda138db7e5.pdf?index=trueIn PDF document text
  • https://592362e0-bbed-4e01-a470-1c352e38d3cf.filesusr.com/ugd/83d902_1429bc0dbdc24b179288696bf650cf95.pdf?index=trueIn PDF document text
  • https://94db6952-46cc-48e0-a087-c3b47c26aded.filesusr.com/ugd/7836c9_f098f7735a6e40a4acc9b4b982f63f91.pdf?index=trueIn PDF document text
  • https://eacf2820-3276-429f-96da-2f6b60241f47.filesusr.com/ugd/72b0e7_427e0a281742439e8f80dde725b04e04.pdf?index=trueIn PDF document text
  • https://07c54db5-d8a5-445a-b24a-1a90ad79b652.filesusr.com/ugd/b50c55_df32bdc22abe43e09bd3d4a289a54f9a.pdf?index=trueIn PDF document text
  • https://b8b2500f-3eef-4ece-a650-28b8588ffa81.filesusr.com/ugd/694d5d_67fd68a8423c4336847bab7369ae911d.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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