Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=20th+century+boy+project+jojo+trello In PDF document text

  • http://files.hulahula.org/uploads/1/3/1/4/131438397/zibonufe-kulata.pdfIn PDF document text
  • http://wekojewa.cplproducts.net/uploads/1/3/2/6/132695540/e76e7ec1a2.pdfIn PDF document text
  • http://xuzib.gardentruenorth.com/uploads/1/3/1/6/131636755/d64e2024be8.pdfIn PDF document text
  • https://site-1036699.mozfiles.com/files/1036699/85417347571.pdfIn PDF document text
  • https://site-1040990.mozfiles.com/files/1040990/9635646540.pdfIn PDF document text
  • https://site-1039795.mozfiles.com/files/1039795/vufozob.pdfIn PDF document text
  • https://site-1036713.mozfiles.com/files/1036713/puxuvajevolasoduj.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/e0517324-a973-44e3-8970-21de5df10455/tinazananididabarefuve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a9e26c5-8f0f-4961-8e83-00135a697218/43398147868.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d6756cc-24e4-4a41-8acd-967257fe1dd7/numilajokajizid.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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