Malicious PDF — malware analysis report

Heuristics 4

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafftec.ru/aws?keyword=comptia+a%252B+certification+mike+meyers+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4383689/normal_5f9e13c347dcd.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/1429013.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455207/normal_5fa03cb9b60c0.pdfIn PDF document text
  • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/3a626bcb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404975/normal_5f9c884d837b1.pdfIn PDF document text
  • https://gusobenatidisa.weebly.com/uploads/1/3/4/4/134475091/nulegitanuju.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376856/normal_5f9393fc8529f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416494/normal_5f9e29e309e6b.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/dewimiwivup.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373016/normal_5f8bb2bb2ea9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452148/normal_5fa25b97f11f6.pdfIn PDF document text
  • https://bisojobiregabo.weebly.com/uploads/1/3/4/5/134509607/5080877.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/vukusa/mafiwofuxavolidafefit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f60845b7-35fc-408d-a55a-b526258af172/87353577230.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22df08d2-fff5-4930-88a5-dd2d726b2db6/mizuzijewo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fe3606e-a9b0-4a09-921b-0d24f35a6a44/linear_algebra_by_gilbert_strang.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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