Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=como+robar+wifi+infinitum In PDF document text

  • http://files.stebex.com/uploads/1/3/0/8/130814190/317151.pdfIn PDF document text
  • http://files.usmanoladeinde.com/uploads/1/3/2/7/132740264/rufebotu-zizerupamunag-nakubu.pdfIn PDF document text
  • http://files.swindoncabs.com/uploads/1/3/0/7/130739830/pelabawe.pdfIn PDF document text
  • https://site-1038338.mozfiles.com/files/1038338/wavulusoderazima.pdfIn PDF document text
  • https://site-1038608.mozfiles.com/files/1038608/33242405083.pdfIn PDF document text
  • https://site-1042279.mozfiles.com/files/1042279/16625751579.pdfIn PDF document text
  • https://site-1042821.mozfiles.com/files/1042821/31569678705.pdfIn PDF document text
  • https://site-1043121.mozfiles.com/files/1043121/5132782273.pdfIn PDF document text
  • https://site-1038967.mozfiles.com/files/1038967/71549208556.pdfIn PDF document text
  • https://site-1037897.mozfiles.com/files/1037897/keparawemadivipujokiradus.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/98761614-1e42-4607-ae0c-c6baf859b591/5875119872.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c73b8811-3167-41e0-84ac-92eaa5be2720/78258138893.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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