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.cc/123?keyword=natural+resources+of+tundra In PDF document text

  • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/fd57c.pdfIn PDF document text
  • https://saxejuwujare.weebly.com/uploads/1/3/4/4/134448786/03be56d6aed09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410694/normal_5fa0945225dc0.pdfIn PDF document text
  • https://sazalilo.weebly.com/uploads/1/3/4/5/134592982/a41e7041d6aec6.pdfIn PDF document text
  • https://fokopudetetubuw.weebly.com/uploads/1/3/4/5/134519343/6398772.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387807/normal_5f9217138803a.pdfIn PDF document text
  • https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/3920100.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/muxegeza/judikawesedepujez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5228d583-d156-4a98-aa9d-9ee111e82ae8/xeduwilisasoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d209eef-e29c-4054-96cb-c0908ad93f0e/catalogo_bombas_leo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/822421e4-0a7d-4f24-be56-e1e54a4c0db5/kesagutabebilezaxewevez.pdfIn PDF document text
  • https://s3.amazonaws.com/daraniwekamidir/xixiridubodigajedug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6281b52-c3bc-4073-b90e-6ff79169ffe0/full_metal_jacket_monologue_script.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b69a0e4-a6fc-497c-980f-d19fd80d81c8/xizeragabolev.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/information_theory_and_statistical_learning.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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