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://jottigo.ru/wb?keyword=musica%20de%20los%2080%20descargar%20mp3 PDF link annotation

  • https://faturigazed.weebly.com/uploads/1/3/4/8/134859690/ba5148b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413842/normal_5fd17c82e3f3c.pdfIn PDF document text
  • https://wuginimujewege.weebly.com/uploads/1/3/4/7/134714977/9085256.pdfIn PDF document text
  • http://vejenov.iblogger.org/guwulex.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4381321/normal_5fd05b57a11d1.pdfIn PDF document text
  • https://sakojokotinij.weebly.com/uploads/1/3/1/3/131379540/1849001.pdfIn PDF document text
  • http://nupubidodeje.22web.org/acleda_unity_toanchet_apk.pdfIn PDF document text
  • https://bativizamazon.weebly.com/uploads/1/3/4/7/134770744/7148130.pdfIn PDF document text
  • https://farurepakal.weebly.com/uploads/1/3/5/3/135318469/5bc7b38c93e.pdfIn PDF document text
  • https://pepadamive.weebly.com/uploads/1/3/4/4/134468065/jobakaju_duven_xafagujuzixiw.pdfIn PDF document text
  • https://rejasujewefem.weebly.com/uploads/1/3/0/7/130738882/c1487a.pdfIn PDF document text
  • http://uber-global.com/85416883315g7onq.pdfIn PDF document text
  • http://ramuwazezu.22web.org/patent_prosecution_highway_international_search_report.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://vufigenetusanu.epizy.com/vuremiwesidizojapo.pdfIn PDF document text
  • http://segidamilezuv.epizy.com/rupadivowasukigixar.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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