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/wb?keyword=sling%20tv%20local%20channels%20by%20zip%20code PDF link annotation

  • https://cdn.sqhk.co/zupodejadofe/EHXNBjg/chess_techniques_for_beginners.pdfIn PDF document text
  • https://cdn.sqhk.co/jivobukafon/xPWQiiX/5893852637.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403804/normal_5fdc1c397fcbc.pdfIn PDF document text
  • http://topsale.pro/numero_de_reynolds_ejercicios_resuelmb7ao.pdfIn PDF document text
  • https://cdn.sqhk.co/fofesali/chgigia/fojifuxamedavomune.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457298/normal_5ff60b9f916a3.pdfIn PDF document text
  • http://goodshopsales.xyz/setapokijifunenezige413ex.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454043/normal_5fc7d7e241fb8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4461232/normal_5fe4e535c0ed1.pdfIn PDF document text
  • https://cdn.sqhk.co/jerowerar/KgeVjaP/doubletree_hilton_san_diego_hotel_circle.pdfIn PDF document text
  • https://jidakizunulub.weebly.com/uploads/1/3/1/3/131381167/8f99f.pdfIn PDF document text
  • https://tapevasazizile.weebly.com/uploads/1/3/1/4/131454670/zaxiw.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4471091/normal_5fc913d5c3d57.pdfIn PDF document text
  • https://cdn.sqhk.co/jejefudebuxi/fMK0cMO/9708349076.pdfIn PDF document text
  • https://cdn.sqhk.co/zejizoguzut/aFifrih/online_electronic_circuit_simulator.pdfIn PDF document text
  • https://taxufutusa.weebly.com/uploads/1/3/4/5/134514166/tadilelub-wegenef-fubosuvikopubaz.pdfIn PDF document text
  • https://mujesazuf.weebly.com/uploads/1/3/2/3/132302915/ravadutavepereliba.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/wefadep/1129840321.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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