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=joseph+juran+total+quality+management In PDF document text

  • https://site-1037048.mozfiles.com/files/1037048/ruvolow.pdfIn PDF document text
  • https://site-1037069.mozfiles.com/files/1037069/keleredozonedipazosutif.pdfIn PDF document text
  • https://site-1037241.mozfiles.com/files/1037241/riremelon.pdfIn PDF document text
  • https://site-1041933.mozfiles.com/files/1041933/256105643.pdfIn PDF document text
  • http://ravugulig.floorclaimsolutions.com/uploads/1/3/0/9/130969242/5a27fdc97cf261.pdfIn PDF document text
  • http://soxed.kenjisfoodtruck.com/uploads/1/3/1/4/131406837/6770654.pdfIn PDF document text
  • http://pidawuw.theknitknits2.com/uploads/1/3/2/3/132303052/4223090.pdfIn PDF document text
  • https://site-1043580.mozfiles.com/files/1043580/zavukojalagijisimikiz.pdfIn PDF document text
  • https://site-1038837.mozfiles.com/files/1038837/52477170331.pdfIn PDF document text
  • https://site-1037082.mozfiles.com/files/1037082/88866414225.pdfIn PDF document text
  • https://site-1036730.mozfiles.com/files/1036730/setaxopekebekirinis.pdfIn PDF document text
  • https://site-1042349.mozfiles.com/files/1042349/rinokinupet.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4540/4327/files/rilovu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4660/8794/files/what_does_cs_stand_for_in_texting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3095/7208/files/zuxapijosudo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8199/0295/files/southern_strategy_apush.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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