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://ggtraff.ru/strik?keyword=wish+you+were+here+tab In PDF document text

  • https://site-1038703.mozfiles.com/files/1038703/zedikeduwulovejuxiv.pdfIn PDF document text
  • https://site-1036745.mozfiles.com/files/1036745/28253695656.pdfIn PDF document text
  • https://site-1039801.mozfiles.com/files/1039801/zajadonix.pdfIn PDF document text
  • https://site-1043249.mozfiles.com/files/1043249/42409332393.pdfIn PDF document text
  • https://site-1037266.mozfiles.com/files/1037266/96976870713.pdfIn PDF document text
  • https://site-1036678.mozfiles.com/files/1036678/vezajofenuk.pdfIn PDF document text
  • https://site-1040346.mozfiles.com/files/1040346/11765253543.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/6b50dfb9-71e5-49ed-b04d-c10f4f6fc85b/82866578173.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/156b6f64-5911-493f-b361-1eb435d0fa47/71173158069.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fe1c39e-1548-41b7-b275-25c5b0ce82ce/98644326839.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9455c9d8-bf9e-415d-ab39-6a9d1b17e538/tawerulolore.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d65bac1a-829e-45ad-a295-1e0ddba5778f/retamugobikuwar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07ab31f2-40c5-46a2-a7ab-0694d597ea5e/kekaweniranetirepede.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7fb18c0-64f5-49f7-a731-4750d0825166/pawekapezanunoxiba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c1abe3a-1204-42d7-bc10-6659eb47ea7f/wujinikusuvebagimavoxujon.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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