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://cctraff.ru/aws?keyword=mapa+politico+de+puerto+rico+significado In PDF document text

  • https://wobafedufuj.weebly.com/uploads/1/3/4/0/134012960/zazozo.pdfIn PDF document text
  • https://sewobefavewekog.weebly.com/uploads/1/3/4/3/134367647/6839962.pdfIn PDF document text
  • https://vaxedokumam.weebly.com/uploads/1/3/4/2/134266394/wuzedamifunetevupudi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f889f9230df9.pdfIn PDF document text
  • https://lituveso.weebly.com/uploads/1/3/4/3/134362288/6179771.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388046/normal_5f8fab31cf5fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410954/normal_5f9545e73e5a4.pdfIn PDF document text
  • https://deriwofapavuz.weebly.com/uploads/1/3/4/3/134311795/3263399.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419236/normal_5f9a091f5c843.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/subud/appetizer_recipes_with_ingredients_and_procedure.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/wofep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a64d493b-c6a1-4b24-a48c-eeea9cd36cbe/fixed_star_shishimai.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe145135-8cb0-4382-a9e4-d9b7ed382998/76672060887.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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