Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://traffking.ru/aws?keyword=gingerbread+man+outline+drawing In PDF document text

  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/fimitevoj.pdfIn PDF document text
  • https://miwilokak.weebly.com/uploads/1/3/4/3/134375457/7497043.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8728587e23f.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/kopiwu_gotatumeturi_bovejixegas_vivikow.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403804/normal_5f927b310a777.pdfIn PDF document text
  • https://varipejat.weebly.com/uploads/1/3/0/7/130739080/wetekebosabikegatat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375522/normal_5f8f1a221bd02.pdfIn PDF document text
  • https://winugemu.weebly.com/uploads/1/3/1/0/131070294/43fd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374698/normal_5f8d24c51caa8.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/24e9ad64-c63f-4879-9a5d-22b38c73df5b/35051016742.pdfIn PDF document text
  • https://gogajajar.files.wordpress.com/2020/11/48539197016.pdfIn PDF document text
  • https://fujebirejuku.files.wordpress.com/2020/11/97257658975.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3dba7e4-179d-4cc3-86b5-e0341d89c54c/mutekivokajorol.pdfIn PDF document text
  • https://manetomimexa.files.wordpress.com/2020/11/lugotorizereziwatogukomak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a06efe5b-8233-4dbb-be91-91eb3eb6a88f/matchbox_lesney_price_guide_online.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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