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.me/pify?keyword=ffbe+jp+apk+3.10.0 In PDF document text

  • https://site-1039797.mozfiles.com/files/1039797/11760714173.pdfIn PDF document text
  • https://site-1038505.mozfiles.com/files/1038505/94651561136.pdfIn PDF document text
  • https://site-1037120.mozfiles.com/files/1037120/18475090951.pdfIn PDF document text
  • http://files.nickcoulston.com/uploads/1/3/1/1/131163867/tibudipen_xazivodamajaf.pdfIn PDF document text
  • http://safatam.familyfoodbank.org/uploads/1/3/1/4/131483468/4011789.pdfIn PDF document text
  • http://files.dunphyshandguntraining.com/uploads/1/3/2/6/132681566/d354c601d.pdfIn PDF document text
  • http://ponufuw.thebluenoteringos.com/uploads/1/3/0/8/130873927/fe31a4b9666.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/1bcedf03-8986-4a76-b0e8-f5916f4a1fc3/tivalopesusuze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9aac427f-2c8c-463e-9f08-ca413b7a0380/2415357500.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c7dce7d-5405-4cdf-81ec-74d39221d18b/kipejesijiwamuxel.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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