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://ttraff.link/pify?keyword=warning+viewpagerandroid+has+been+extracted+from+react-native In PDF document text

  • https://site-1040798.mozfiles.com/files/1040798/91436217735.pdfIn PDF document text
  • https://site-1038931.mozfiles.com/files/1038931/nalijasebaw.pdfIn PDF document text
  • https://site-1043763.mozfiles.com/files/1043763/dexesutobogirenamu.pdfIn PDF document text
  • https://site-1042107.mozfiles.com/files/1042107/29838014335.pdfIn PDF document text
  • https://site-1039405.mozfiles.com/files/1039405/94923810901.pdfIn PDF document text
  • https://site-1038743.mozfiles.com/files/1038743/rufamitesepegiz.pdfIn PDF document text
  • https://site-1043295.mozfiles.com/files/1043295/beast_quest_apk_game_download.pdfIn PDF document text
  • https://site-1038844.mozfiles.com/files/1038844/18682165942.pdfIn PDF document text
  • https://site-1043286.mozfiles.com/files/1043286/samil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f871f1cb4a17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f870c26dd44a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f870935b51bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369332/normal_5f87b8b167b7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369150/normal_5f87aa6c36371.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367927/normal_5f87729c9ebb1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368985/normal_5f879c1db5870.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/e3797077-ae6f-404a-a52a-0d73460cd444/66904103099.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29f62d6f-243c-4980-a644-3cd504e814f0/26464237656.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8da137de-1b01-4953-810e-1ab779c43015/13210336471.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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