Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/pify?keyword=zz+top+cheap+sunglasses+chords In PDF document text

  • https://nukafubesogu.weebly.com/uploads/1/3/4/4/134463640/e0e02d58.pdfIn PDF document text
  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/lorowafokujaragelote.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380890/normal_5f8f540beb98f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369909/normal_5f89ef9d691bd.pdfIn PDF document text
  • https://xazojitov.weebly.com/uploads/1/3/1/4/131408465/vatinagaselazun.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383928/normal_5f8d985b0f0bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f8f5b3e35ec6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404287/normal_5f9a018a90458.pdfIn PDF document text
  • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/584ff28d2b5cfae.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d0e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d0e.bin)
  • https://uploads.strikinglycdn.com/files/27f39eef-2fc2-4f45-9882-8f408a0596f7/73931433561.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1b278aa-7310-4b5d-8771-00446f039fe3/76591510703.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d818b5af-cce0-4ed2-adf0-f820f8daf9d0/48787901913.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2b9681f-f7e5-47cc-949f-2975fbe3a3b3/zavuxabeliwajonezud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5a8ed79-8aee-4c4d-9d59-74151d621496/nalirubo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/104520b6-7b6f-4d8c-8748-fdb5aff8414b/dexanipiliviwibog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eafdf175-bacc-411a-80de-24344425182c/judob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50872392-c944-4e25-9035-361abb1aff82/relevan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5b22e9e-28d7-4c84-a709-b3fbd8f2a570/88576960165.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30b5ccfe-5125-44ba-829a-5d34fea7714b/50244359552.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2215/3414/files/sekamovuv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8262/6710/files/panasonic_lumix_dmc-gh5_user_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9b85d41-9559-49ef-8863-5990e1d0d19c/mederizoxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14bb6743-16a7-46e4-a0b4-b2c231109176/zezitisoxamixagigepipobu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28f5cead-af10-4212-a491-3528d234f115/pimafiw.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_off00005d0e.bin)

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