Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cctraff.ru/aws?keyword=lateral+epicondylitis+pdf+nhs In PDF document text

  • https://numibogag.weebly.com/uploads/1/3/4/3/134323011/sapivosala-kojilegaxix-difapiganaxonum.pdfIn PDF document text
  • https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/tovos.pdfIn PDF document text
  • https://rimenedefogifu.weebly.com/uploads/1/3/4/4/134466040/wibuloj.pdfIn PDF document text
  • https://silemixijotin.weebly.com/uploads/1/3/4/4/134463531/793959.pdfIn PDF document text
  • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/jugegagakurebad-musex-vijutigamebom.pdfIn PDF document text
  • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/muludofeza_xosuvawe_zawikep.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382201/normal_5f8d1e70013f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369923/normal_5f9238c069c03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379610/normal_5f91601a68ba4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380088/normal_5f91070a52573.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372101/normal_5f8c628f9300f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387806/normal_5f958672dae6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402014/normal_5f95b9b56463e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373778/normal_5f8f707b50eea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f8e518d82a37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407314/normal_5f92431373e86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414152/normal_5f968f3f4115d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368485/normal_5f88c3ff0bbf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381105/normal_5f93b0109ee40.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376850/normal_5f8b217e0b779.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000776b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000776b.bin)
  • https://cdn.shopify.com/s/files/1/0483/6383/1447/files/43731525553.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6271/3256/files/product_life_cycle_wikipedia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6303/1957/files/81811387885.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5940/7765/files/best_plant_care_app_android.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 extracted file (font_00_sfnt_off0000776b.bin)

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