Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://traffnew.ru/aws?keyword=proterozoic+eon+era PDF link annotation

  • https://jinokafolamod.weebly.com/uploads/1/3/4/3/134310646/6ec7e5.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/ebb6fa87afd6f50.pdfIn PDF document text
  • https://bebamewikirebu.weebly.com/uploads/1/3/0/8/130874540/kibujaxalewavu.pdfIn PDF document text
  • https://kelodulelonax.weebly.com/uploads/1/3/4/6/134644310/5202458.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378406/normal_5f8a107ad5117.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/aa92d.pdfIn PDF document text
  • https://velalozelo.weebly.com/uploads/1/3/4/4/134498802/89471.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444096/normal_5fa3679d62ea2.pdfIn PDF document text
  • https://sawalodisixujig.weebly.com/uploads/1/3/4/4/134490012/9644313.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/fd7c8fb1898.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/roware/list_of_aromatic_plants.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3e21274-750b-4044-81ad-1b245d6e03ed/botenapugesolegi.pdfIn PDF document text
  • https://s3.amazonaws.com/donake/ibis_paint_x_download.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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