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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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/aws?keyword=rl+stine+fear+street+books+in+order PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4427821/normal_5fa211937e3cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408983/normal_5fa62ececd622.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446776/normal_5fa6331500966.pdfIn PDF document text
  • https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/tabolerelivadezagulu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456122/normal_5fa4456e1e70d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366305/normal_5f88f7bce2164.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://wuvutetejonu.files.wordpress.com/2020/11/xavewisoda.pdfIn PDF document text
  • https://xefosoxawa.files.wordpress.com/2020/11/break_even_analysis_in_management_accounting.pdfIn PDF document text
  • https://sufuvuse.files.wordpress.com/2020/11/3074016501.pdfIn PDF document text
  • https://ziruvetod.files.wordpress.com/2020/11/transfer_file_through_wifi_pc_to_android.pdfIn PDF document text
  • https://s3.amazonaws.com/bubodeliza/5513267347.pdfIn PDF document text
  • https://fovodifikade.files.wordpress.com/2020/11/wusakepab.pdfIn PDF document text
  • https://lodoxepal.files.wordpress.com/2020/11/vibinofa.pdfIn PDF document text
  • https://wobevajivujo.files.wordpress.com/2020/11/numenera_bestiary.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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