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://ggtraff.ru/wb?keyword=william%20the%20conqueror%20biography%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374535/normal_5f8f2698d2d35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366405/normal_5f8d5ede67726.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393647/normal_5f90a80620646.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365627/normal_5f8c0d5d7855b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366405/normal_5f88ec4114000.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373508/normal_5f89c21755577.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/1/0486/8669/4550/files/cosi_fan_tutte_libretto_codycross.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7478/8769/files/rakafiratonunivuw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8341/4682/files/ultrasound_in_emergency_medicine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7930/5890/files/alpine_tree_service.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/6704/5556/files/telemundo_en_vivo_app_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7800/3109/files/american_landscaping_services.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9465/3594/files/16815635325.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/at_dev_english_to_bengali_dictionary_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/didowugorokirug/kixefiwunani.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/pembuatan_biogas_dari_kotoran_sapi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5670/1346/files/story_writing_worksheets_for_class_4.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2199/2599/files/findlay_city_schools_board_of_education.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/5910/1863/files/turning_point_academy_staff.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9928/1821/files/fobap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/1000/5658/files/limbo_mod_apk_latest.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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