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://ttraff.me/123?keyword=reiki+tamil+book+pdf In PDF document text

  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/7199114.pdfIn PDF document text
  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/04305a43abbdc9.pdfIn PDF document text
  • https://jenafowumavadas.weebly.com/uploads/1/3/1/4/131437472/sutatidukutuzasol.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412173/normal_5f94890d9e160.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f87153d43d59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387581/normal_5f8ebfc082f5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408170/normal_5f93e712db4cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370066/normal_5f88099d547b6.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/37478d36-8db5-47ff-9b01-17775c407f4f/jusudikugilidodaterekebor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76a63873-2c8b-4237-af37-5dd594ad619b/32846716437.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aaf71f98-d539-42ca-81db-613347292f68/89376926300.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8edabeef-8b78-4ac3-b7f6-9ed7bd542580/77630564316.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a902aa42-91b5-4619-a678-e88cb4982b81/jugimo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96cf2625-ed31-4194-81d0-bedfc57489b8/78990041162.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db1c91d2-95b8-4dd2-966c-361f01a41023/25952210339.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4739/4719/files/sundance_spa_manual_optima.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/6901/1621/files/walasajanolusigis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6898/3969/files/91021748588.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0041/3346/files/variador_de_frecuencia_danfoss.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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