Malicious PDF — malware analysis report

Heuristics 5

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/123?keyword=alphabet+song+piano+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384463/normal_5f9561204ac3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366949/normal_5f883dea9934d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405186/normal_5f92910e29a72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415546/normal_5f96b8cb3e3fb.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/154721.pdfIn PDF document text
  • https://basoxafal.weebly.com/uploads/1/3/4/4/134499196/1202214.pdfIn PDF document text
  • https://kuwofepex.weebly.com/uploads/1/3/2/7/132740654/rewasuwapuja.pdfIn PDF document text
  • https://nikokitigo.weebly.com/uploads/1/3/4/5/134500207/6302045.pdfIn PDF document text
  • https://jelafabonopavu.weebly.com/uploads/1/3/4/4/134443296/juxedujakepugadumu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405186/normal_5f93424c73b06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366004/normal_5f8c9523ebf6c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383308/normal_5f8bfb9104112.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378613/normal_5f8bd15b6a8e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385214/normal_5f930bb5a4161.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006757.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006757.bin)
  • https://uploads.strikinglycdn.com/files/86905745-9649-48a0-84a7-45c1c5c79c15/noise_reduction_coefficient_table.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f88458c0-c6c4-4e48-a848-f4efd44bf2bb/56852122260.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9221b3e5-fcaf-4bbc-b7fc-dba5eae5e17f/58965943137.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f4f0f2f-ce41-440a-aaa4-20c886f7030b/rujeraxutavuter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6393be24-3053-4568-a2db-bd653439e4ed/98239299152.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/us_constitution_2nd_amendment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4488/1059/files/clearasil_ultra_rapid_action_treatment_cream_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4647/5675/files/baixar_tabela_periodica_atualizada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/9448/0293/files/motor_manual_yamaha_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1789/1750/files/managing_oneself_book_peter_drucker.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 extracted file (font_00_sfnt_off00006757.bin)

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