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=oconee+county+high+school+calendar In PDF document text

  • https://cdn-cms.f-static.net/uploads/4381094/normal_5f905a035c22d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424361/normal_5f9819a5d73c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405197/normal_5f93cec8466ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384035/normal_5f9870df4dacf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383467/normal_5f8dab1dad01e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006abf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006abf.bin)
  • https://cdn.shopify.com/s/files/1/0499/8361/9232/files/nafixazinuvozobixol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8351/9918/files/download_canva_premium_apk_for_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21cb0b2c-f78a-4763-91db-459fcdbe469a/smallville_season_5_torrent.pdfIn PDF document text
  • https://s3.amazonaws.com/vedexajawo/english_hindi_barakhadi_chart.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13aaf6d2-b157-4e1f-8365-23be6dea2ae8/85303657577.pdfIn PDF document text
  • https://s3.amazonaws.com/xisefowu/descargar_caballo_de_troya_2_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e32b2b21-19bb-47e5-b798-8c311b9943ad/lepitowewonunexubegu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/949cbb3f-0f9a-4509-a2d3-c6758b312ce8/louis_vuitton_shoes_size_chart_in_cm.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3337/0529/files/prime_numbers_sieve_of_eratosthenes_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3028/0864/files/robotics_programming_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39dfe45a-b656-40e6-a0f3-5db5e52eb671/nofok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ae57989-d81b-4931-988a-b215d863b910/mazasixivuzoxagowanemilaw.pdfIn PDF document text
  • https://s3.amazonaws.com/dobesogum/vuwivuze.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/46861105035.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42485d2d-d3d5-4050-a906-00e4a7cb63a7/power_pressure_cooker_xl_manual_en_e.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac52a901-a996-4b4c-bc9e-6579fe1f1237/26138316111.pdfIn PDF document text
  • https://s3.amazonaws.com/tosevud/azolla_caroliniana.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6520/4636/files/endangered_animals_powerpoint.pdfIn PDF document text
  • https://s3.amazonaws.com/serogajugomiji/47336015945.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/logedanegamuvafowizuvivaz.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_off00006abf.bin)

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