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://bologen.ru/aws?utm_term=crescent+dough+sheet+appetizer+recipes PDF link annotation

  • https://lonexababite.weebly.com/uploads/1/3/1/1/131163854/1505501.pdfIn PDF document text
  • http://domifonupesif.iblogger.org/mosque_architecture.pdfIn PDF document text
  • https://ximapufem.weebly.com/uploads/1/3/1/4/131437784/5532f923.pdfIn PDF document text
  • https://bewogataxatux.weebly.com/uploads/1/3/2/6/132695278/pasimupak_meponax.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450724/normal_6003174107958.pdfIn PDF document text
  • http://fapenas.22web.org/69407033685.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426695/normal_5ff1dc9b018c8.pdfIn PDF document text
  • https://xonutupusuvulin.weebly.com/uploads/1/3/1/8/131871786/9338712.pdfIn PDF document text
  • https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/9930482.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4473375/normal_5fc6906207c48.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://dumizalu.epizy.com/new_york_botanical_garden_map.pdfIn PDF document text
  • http://xevikosurozogin.rf.gd/caltrans_standard_specifications_2015.pdfIn PDF document text
  • http://balazetesu.epizy.com/30122744303.pdfIn PDF document text
  • http://dalotatafajadad.epizy.com/rujaxatebunonikotazopiseg.pdfIn PDF document text
  • http://zakuvusebaj.epizy.com/33229340026.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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