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://trafffi.ru/strik?keyword=reviews+for+vitraxyn PDF link annotation

  • https://lemarowaverixax.weebly.com/uploads/1/3/4/3/134371099/4880416.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461516/normal_5fa489ace7c92.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/427e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87602e84b7e.pdfIn PDF document text
  • https://lomedalepa.weebly.com/uploads/1/3/4/4/134438906/lukijevup_luvew_mofinetarinimiw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392649/normal_5f947ab43f329.pdfIn PDF document text
  • https://rixilokif.weebly.com/uploads/1/3/4/1/134109141/rodexan-xagubu.pdfIn PDF document text
  • https://nonudefetug.weebly.com/uploads/1/3/4/3/134314303/fogotunuj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457861/normal_5fa2c31be280f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420902/normal_5f9c6efa89f04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f89c8d54c0cc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/pabisoxuvi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ea14baa-7985-4827-bede-dab9956a9c4b/nowaj.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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