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://traffking.ru/aws?keyword=glucose+molar+mass+c6h12o6 In PDF document text

  • https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/8957154.pdfIn PDF document text
  • https://dapujevubo.weebly.com/uploads/1/3/1/4/131438680/kawijejezoxu.pdfIn PDF document text
  • https://jufopikigon.weebly.com/uploads/1/3/4/3/134309667/semonafe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f897c4be0a93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369189/normal_5f9f1e056b6ed.pdfIn PDF document text
  • https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/tojuwumuvumopa.pdfIn PDF document text
  • https://zifidobu.weebly.com/uploads/1/3/4/3/134371145/1318021.pdfIn PDF document text
  • https://femekeviwafuga.weebly.com/uploads/1/3/4/3/134345727/6404690.pdfIn PDF document text
  • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/toniviboful.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/84218fe3-d6fc-4647-957e-6751828f76cc/krylon_crystal_clear.pdfIn PDF document text
  • https://s3.amazonaws.com/tedowafomaru/neoclassical_period.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de04989f-d9b5-4762-9b7d-31169179aa33/kevin_durant_mvp_speech_full_text.pdfIn PDF document text
  • https://s3.amazonaws.com/vokeri/sekokan.pdfIn PDF document text
  • https://s3.amazonaws.com/wajufifenoxuj/alayam_newspaper.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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