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://gettraff.ru/strik?keyword=vertical+integration+and+horizontal+integration+pdf In PDF document text

  • http://gavola.simelane.com/uploads/1/3/1/0/131070450/6369336.pdfIn PDF document text
  • http://files.sitemdowncowboychurch.com/uploads/1/3/1/4/131437683/nabijepu-gebefofoxafok.pdfIn PDF document text
  • http://files.allinonerenovationsllc.com/uploads/1/3/1/3/131398423/toxof_lorozuzezitone.pdfIn PDF document text
  • https://site-1037071.mozfiles.com/files/1037071/3459481020.pdfIn PDF document text
  • https://site-1037129.mozfiles.com/files/1037129/45347006289.pdfIn PDF document text
  • https://site-1036697.mozfiles.com/files/1036697/sipuguzamiretosepeged.pdfIn PDF document text
  • https://site-1036951.mozfiles.com/files/1036951/49033714657.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/1/0433/1008/8342/files/70584597004.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4865/7318/files/54887879119.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/3534/4287/files/hemlock_grove_episode_guide_spoilers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9095/8749/files/94738584878.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2950/3901/files/free_biblical_goal_setting_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9b8e377-41e4-497c-b179-038bedd753f3/70338394231.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/662155a4-4cec-46e9-b2ad-87b2c1320b92/10808926881.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3760593a-4a75-4e81-ab78-877cdb4011ce/93303301681.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8552f6c9-9ee0-4016-94b7-753da811b57f/vuxiwobavefo.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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