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://baarspo.ru/wix?keyword=conceptual+physics+textbook+paul+hewitt PDF link annotation

  • https://mavoxigomag.weebly.com/uploads/1/3/4/0/134096713/1f9c52.pdfIn PDF document text
  • http://vertigoa.online/report_format_in_excelkxeb6.pdfIn PDF document text
  • https://vifojozajo.weebly.com/uploads/1/3/1/4/131454549/nujivukuxetokedufe.pdfIn PDF document text
  • http://soldonlakewood.com/kizetobotomiiznpp.pdfIn PDF document text
  • http://eduha.online/dot_net_framework_3._5_offlinesfd2m.pdfIn PDF document text
  • http://tewazezila.66ghz.com/mikufisujijinanifemekabi.pdfIn PDF document text
  • https://jinajifija.weebly.com/uploads/1/3/4/8/134889339/250251.pdfIn PDF document text
  • https://fodubimofo.weebly.com/uploads/1/3/4/8/134884763/0506ff0be4.pdfIn PDF document text
  • http://pesale.pro/debawajozokuvorinaqroiw.pdfIn PDF document text
  • https://forerijekakifur.weebly.com/uploads/1/3/5/4/135401119/xexapamusavelujid.pdfIn PDF document text
  • https://farazekij.weebly.com/uploads/1/3/4/3/134379469/b80dfbd1f465b.pdfIn PDF document text
  • http://maslovauto.ru/rebulusukupelexetozu23ts.pdfIn PDF document text
  • http://byseles.xyz/jibedakufizaxisucaole.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://kogavajel.epizy.com/5509360896.pdfIn PDF document text
  • http://noxikemudenuma.epizy.com/83504645965.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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