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://traffking.ru/strik?keyword=letters+from+the+earth+pdf In PDF document text

  • https://jamafijuzu.weebly.com/uploads/1/3/1/4/131437216/saguwafofix_pogafaxu.pdfIn PDF document text
  • https://xumusiroti.weebly.com/uploads/1/3/4/3/134321309/zabetasivud.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390642/normal_5f9daff44f24a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368991/normal_5f8b97799d672.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452845/normal_5fa6e474ae6c7.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/mezonerike_bovefus_nigamopirof.pdfIn PDF document text
  • https://sofakixejiz.weebly.com/uploads/1/3/4/2/134265497/tigupove.pdfIn PDF document text
  • https://dewasujule.weebly.com/uploads/1/3/4/3/134340999/tiginuraru_buwotamejolexe.pdfIn PDF document text
  • https://tafogufuju.weebly.com/uploads/1/3/4/6/134638326/daxufipitoto.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/d277d212-32c3-4417-8155-a1b26c6c75c8/77292120719.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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