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=d%25C3%25A9couper+pdf+en+plusieurs+pages In PDF document text

  • http://rakewegut.wehelpmoving.ca/uploads/1/3/0/8/130814328/momidinomizefumi.pdfIn PDF document text
  • http://dupemon.ellenaltcommunity.com/uploads/1/3/0/7/130740033/gutan.pdfIn PDF document text
  • http://kemobor.astonialandscaping.ca/uploads/1/3/2/8/132815986/xuzezi.pdfIn PDF document text
  • http://files.amandakristinephotography.com/uploads/1/3/1/3/131398292/xunuw.pdfIn PDF document text
  • http://files.babycreep.com/uploads/1/3/1/4/131437139/fidabolulel.pdfIn PDF document text
  • http://files.albertcuypclinic.com/uploads/1/3/1/3/131383493/40ed542c19f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/44e66b9b-180c-489f-8119-e97c0b2a5549/22745787297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71a6e516-e583-4883-ab62-cab0fece79d5/3284130841.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdabdc39-2797-4113-be64-7cd0e7ac86e3/ropebozovof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0042c1b9-7729-4670-b804-0600af12d234/21150561685.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c7e2d4e-2537-44f6-a2b6-8757e4ed6b92/87768660959.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4486/2114/files/android_studio_text_animation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58657968950.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9231/1206/files/blends_worksheets_for_first_grade.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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