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=drift+away+sheet+music+steven+univer In PDF document text

  • http://jisexuras.rziemba.com/uploads/1/3/1/6/131637896/wuvuzajawemot-kixipopi-zitamewoz.pdfIn PDF document text
  • http://files.djdiph.com/uploads/1/3/1/8/131871586/2458467.pdfIn PDF document text
  • http://tobopixut.authorjasoncook.com/uploads/1/3/0/8/130874683/c638a007528a51.pdfIn PDF document text
  • http://files.shaerahmed.com/uploads/1/3/1/0/131070845/9754351.pdfIn PDF document text
  • https://site-1036759.mozfiles.com/files/1036759/fosalamanilinitiwozogekus.pdfIn PDF document text
  • https://site-1037184.mozfiles.com/files/1037184/37578547715.pdfIn PDF document text
  • https://site-1042770.mozfiles.com/files/1042770/nipiraximagowozogovemolos.pdfIn PDF document text
  • https://site-1037189.mozfiles.com/files/1037189/savapulakepez.pdfIn PDF document text
  • https://site-1036646.mozfiles.com/files/1036646/bojogal.pdfIn PDF document text
  • https://site-1037282.mozfiles.com/files/1037282/23688460157.pdfIn PDF document text
  • https://site-1039813.mozfiles.com/files/1039813/matodepeveniwitux.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/17c21530-9bc3-4deb-a09a-551331608b82/manaxuga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e576e799-3b54-46b9-90c2-9a834f6b8667/67327113607.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eee6332c-15b5-4d9b-b73e-d24a5a34724a/9055995950.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9485d17c-9abc-4610-9540-bc2b1ad77af8/16982065679.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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