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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/strik?keyword=gateways+to+art+2nd+edition+pdf+down In PDF document text

  • http://files.platinumdfx.com/uploads/1/3/0/7/130739653/posude-valaguzuwazeb-vipoza.pdfIn PDF document text
  • http://files.shirlarae.com/uploads/1/3/1/4/131454352/5650300.pdfIn PDF document text
  • http://munevor.davidballmovieman.com/uploads/1/3/1/6/131636664/9126ee3fd.pdfIn PDF document text
  • http://files.stillnessinmovement.com/uploads/1/3/1/4/131405958/wodunefidobugon.pdfIn PDF document text
  • https://site-1037180.mozfiles.com/files/1037180/49868712631.pdfIn PDF document text
  • https://site-1040341.mozfiles.com/files/1040341/58727136046.pdfIn PDF document text
  • https://site-1038309.mozfiles.com/files/1038309/9625752484.pdfIn PDF document text
  • http://detapir.meadowparkhoa.com/uploads/1/3/0/7/130775795/944754.pdfIn PDF document text
  • http://widajufi.depthstiny.com/uploads/1/3/0/8/130814579/jajuvabegojenoj.pdfIn PDF document text
  • http://zojobitik.cwa3112.org/uploads/1/3/1/3/131398455/43318c5e780180.pdfIn PDF document text
  • http://files.mychristiancounsel.com/uploads/1/3/2/6/132696044/39b13e4d77355.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/01a5b3bc-8920-4490-8387-a29486583293/daseje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec9ed4f3-ab8f-4ecf-9b55-301932b36381/59151245455.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d064323-f653-497f-91e2-624672538880/22621939029.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44215857-e46e-4efc-acfd-5c1e760361e2/34473400551.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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