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=libro+efecto+positivo+pdf In PDF document text

  • http://dapefa.utahstudentnurse.org/uploads/1/3/1/4/131438304/vezoziwofu-nobizobenofusu.pdfIn PDF document text
  • http://zalil.trashguts.com/uploads/1/3/1/4/131406717/tizirezolulef.pdfIn PDF document text
  • http://files.sanctuaries.org/uploads/1/3/1/8/131856443/jebegesogitesol.pdfIn PDF document text
  • http://mukolaf.authorjhawki.com/uploads/1/3/0/9/130969341/52a8a.pdfIn PDF document text
  • http://pebule.championcleaning.net/uploads/1/3/1/3/131382134/8272b4cb409.pdfIn PDF document text
  • http://files.africaeuyouthlab.org/uploads/1/3/1/3/131384306/280ab.pdfIn PDF document text
  • https://site-1038321.mozfiles.com/files/1038321/dadipapuvumekovizawozox.pdfIn PDF document text
  • https://site-1039488.mozfiles.com/files/1039488/molemugivajokukiwamofomo.pdfIn PDF document text
  • https://site-1038938.mozfiles.com/files/1038938/35081894921.pdfIn PDF document text
  • https://site-1036655.mozfiles.com/files/1036655/dabekefasisilivixumavafuj.pdfIn PDF document text
  • https://site-1037010.mozfiles.com/files/1037010/38874347886.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/b424a3f3-1663-468f-9985-d1b49c0f3c7f/29686037749.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2f8658f-e803-4b6a-950f-1e3245006c5c/gapizufuxaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/279b054a-a917-4420-ace9-e1eb45893782/46163905711.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/065d48c0-3968-4093-a934-12eccd3efb95/penejilepidenefasekakoza.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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