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://trafftec.ru/aws?keyword=phosphodiesterase+5+pde5+inhibitor PDF link annotation

  • https://masagepa.weebly.com/uploads/1/3/4/0/134096256/8900759.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374699/normal_5fa6d11d6dccc.pdfIn PDF document text
  • https://vonizimawat.weebly.com/uploads/1/3/4/3/134385064/timapuniwajeloli.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384483/normal_5fa72cc5469ff.pdfIn PDF document text
  • https://nulivoji.weebly.com/uploads/1/3/4/3/134343303/9aea1bd98d548b9.pdfIn PDF document text
  • https://sonuboguf.weebly.com/uploads/1/3/4/3/134310015/xamizonevovadeve.pdfIn PDF document text
  • https://wegonugu.weebly.com/uploads/1/3/4/0/134040733/5606441.pdfIn PDF document text
  • https://poxanopa.weebly.com/uploads/1/3/4/3/134380657/ratamitujepo.pdfIn PDF document text
  • https://bilewazivabo.weebly.com/uploads/1/3/2/8/132816117/vusez.pdfIn PDF document text
  • https://rubisese.weebly.com/uploads/1/3/4/5/134589844/kasojarobafa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425912/normal_5fa3d6ddd7418.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/1429013.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/05fbd642-dc29-4a2f-b8fd-13205723c649/lakafiwedizuzati.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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