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://ggtraff.ru/strik?keyword=daalderop+combifort+32%252F80+manual In PDF document text

  • https://site-1038743.mozfiles.com/files/1038743/pilenubisik.pdfIn PDF document text
  • https://site-1036805.mozfiles.com/files/1036805/94185315480.pdfIn PDF document text
  • https://site-1037054.mozfiles.com/files/1037054/gufevunivofogilisokegowup.pdfIn PDF document text
  • https://site-1036694.mozfiles.com/files/1036694/66182168150.pdfIn PDF document text
  • https://site-1039313.mozfiles.com/files/1039313/17246795478.pdfIn PDF document text
  • https://site-1037237.mozfiles.com/files/1037237/4418103763.pdfIn PDF document text
  • https://site-1037276.mozfiles.com/files/1037276/2742628159.pdfIn PDF document text
  • https://site-1037180.mozfiles.com/files/1037180/21948075155.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/3086/1208/files/microsoft_digital_literacy_certificate_test_item_file_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6694/9799/files/36463585959.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c675e71-93f1-49aa-ae37-67de7a0baafc/lujadigibezemix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4abc89a9-cc60-4580-92c9-121fc8e3e924/sexewakedun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07d42cef-228e-4f46-a041-d38e3cd4d588/48153296170.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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