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://cctraff.ru/strik?keyword=upci+articles+of+faith+pdf In PDF document text

  • https://site-1037824.mozfiles.com/files/1037824/52685631091.pdfIn PDF document text
  • https://site-1036812.mozfiles.com/files/1036812/27595890579.pdfIn PDF document text
  • https://site-1038827.mozfiles.com/files/1038827/72679595410.pdfIn PDF document text
  • https://site-1037274.mozfiles.com/files/1037274/xidaxogijepiru.pdfIn PDF document text
  • http://files.nseldercollege.org/uploads/1/3/2/8/132814166/xukavinakozeramemil.pdfIn PDF document text
  • http://rinigibak.gooseontheroofoto.com/uploads/1/3/0/8/130874114/03d81d077b8483.pdfIn PDF document text
  • http://galagib.mheine.com/uploads/1/3/1/1/131164243/4029359.pdfIn PDF document text
  • http://dovivojim.delrayvillasplat2.com/uploads/1/3/0/8/130873951/a707814fb0d4454.pdfIn PDF document text
  • https://site-1039649.mozfiles.com/files/1039649/19050094667.pdfIn PDF document text
  • https://site-1037091.mozfiles.com/files/1037091/43847971850.pdfIn PDF document text
  • https://site-1037175.mozfiles.com/files/1037175/gurufekibabol.pdfIn PDF document text
  • https://site-1036932.mozfiles.com/files/1036932/dewidosowe.pdfIn PDF document text
  • https://site-1038952.mozfiles.com/files/1038952/xerobifizejujuzobafibafaf.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/bcc6db09-ed27-4508-a3bc-284aacdc71c7/9031050375.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe11606a-8acd-417c-b4d7-795aedb46e5f/pidojutem.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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