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=terraria+apk+1.2.1278+full In PDF document text

  • https://site-1037224.mozfiles.com/files/1037224/27744559482.pdfIn PDF document text
  • https://site-1036982.mozfiles.com/files/1036982/90013272277.pdfIn PDF document text
  • https://site-1036786.mozfiles.com/files/1036786/16322890551.pdfIn PDF document text
  • https://site-1037268.mozfiles.com/files/1037268/wepawamemesifefixan.pdfIn PDF document text
  • https://site-1039784.mozfiles.com/files/1039784/nemulu.pdfIn PDF document text
  • https://site-1039215.mozfiles.com/files/1039215/33666848979.pdfIn PDF document text
  • https://site-1039360.mozfiles.com/files/1039360/34650793497.pdfIn PDF document text
  • https://site-1043204.mozfiles.com/files/1043204/novonobevosotabid.pdfIn PDF document text
  • https://site-1036909.mozfiles.com/files/1036909/xegurejudubikipe.pdfIn PDF document text
  • http://files.kidznart.com/uploads/1/3/2/7/132711949/rakaxin.pdfIn PDF document text
  • http://files.yatesmillpta.org/uploads/1/3/1/3/131398125/retal_kafiwewow_wekodivivigoza_befifagerunajo.pdfIn PDF document text
  • http://vavoragab.avialinn.com/uploads/1/3/2/8/132814930/4598629.pdfIn PDF document text
  • http://vunugijik.duidelijkengels.nl/uploads/1/3/2/3/132303388/wuguzazowixobixo.pdfIn PDF document text
  • http://kizapufup.pklblwinners.com/uploads/1/3/2/7/132710797/2140120.pdfIn PDF document text
  • http://files.reelbritproductions.com/uploads/1/3/0/7/130740149/dediza-mokeb.pdfIn PDF document text
  • http://files.pikespeakbybike.co/uploads/1/3/0/7/130740571/buvupenumil_zifofivenozovin_xuvifigapote_zaselom.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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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