Malicious PDF — malware analysis report

Heuristics 6

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://traffset.ru/123?keyword=swann+security+cameras+owners+manual PDF link annotation

  • https://nukafubesogu.weebly.com/uploads/1/3/4/4/134463640/nabixa-rewarolatabowa-duzebatifali-vojiwagabuwixod.pdfIn PDF document text
  • https://nowusunomotir.weebly.com/uploads/1/3/4/3/134314498/semurigus.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418963/normal_5f969c3db585d.pdfIn PDF document text
  • https://gunewobeje.weebly.com/uploads/1/3/4/1/134109175/efc33000.pdfIn PDF document text
  • https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/7820597.pdfIn PDF document text
  • https://vaxajiwozoli.weebly.com/uploads/1/3/1/6/131637631/tokizivofakisejav.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383678/normal_5f933d13500ba.pdfIn PDF document text
  • https://zoxamadafipezo.weebly.com/uploads/1/3/1/1/131164297/dutisexefepalokujur.pdfIn PDF document text
  • https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/1d32287.pdfIn PDF document text
  • https://vuwugaletop.weebly.com/uploads/1/3/4/5/134588193/573791e.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/dubumevesuguzo.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/d96856a9-d5c3-4671-861c-0c1ccc9dc67d/dagurunekesi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15f26421-3f33-49f1-b058-89509cc78727/a_priori_beauty.pdfIn PDF document text
  • https://s3.amazonaws.com/zamuriza/snowie_shaved_ice.pdfIn PDF document text
  • https://s3.amazonaws.com/vatosolikijike/9356799314.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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