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=the+odyssey+fagles+pdf In PDF document text

  • http://files.groundworkrichmond.org/uploads/1/3/1/1/131164009/0287c30c.pdfIn PDF document text
  • http://files.myfitnesscreds.com/uploads/1/3/0/7/130738681/3dcbaf94d.pdfIn PDF document text
  • http://files.csobecancour.com/uploads/1/3/0/7/130739987/c47af.pdfIn PDF document text
  • http://pejoxo.bhsclassof78.com/uploads/1/3/2/8/132814343/reterobi_dinid_pigozed.pdfIn PDF document text
  • https://site-1039315.mozfiles.com/files/1039315/58849199965.pdfIn PDF document text
  • https://site-1039494.mozfiles.com/files/1039494/fezepevilejimitakarebuko.pdfIn PDF document text
  • https://site-1042602.mozfiles.com/files/1042602/75183719802.pdfIn PDF document text
  • https://site-1037211.mozfiles.com/files/1037211/6343618773.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/c534be69-2d6c-40bf-a1d7-aebcbf395b1a/zudixugafifufaroparaxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3039ddb5-d286-46dc-87c1-318b6d7b9ed1/35293674715.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e079bec-4d75-494f-96c1-703794da0324/19647655366.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/463b124d-6082-49bb-a41f-637a802af5ef/40676370887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7cc97de-8005-4c6a-a6c6-792c521e474b/79684238348.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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