Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=chapter+8+study+guide+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f8722dc4ab10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414500/normal_5f9e911a3fa03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369932/normal_5f8ab004dea5f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/leguvefu/aha_2014_valvular_heart_disease_guidelines.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/38084279309.pdfIn PDF document text
  • https://s3.amazonaws.com/vuforewebub/the_history_of_computer_science.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6a6cfcd-0874-4dfe-b540-1ef8b950727b/24696840842.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70e348cd-b909-447a-9614-9c0e927001d2/royal_caribbean_recipe_book.pdfIn PDF document text
  • https://s3.amazonaws.com/gajabedafot/67546343908.pdfIn PDF document text
  • https://s3.amazonaws.com/migivewuwe/vagifenazunogirafijujobo.pdfIn PDF document text
  • https://s3.amazonaws.com/rotafasaniz/how_to_trim_a_patchy_beard_with_scissors.pdfIn PDF document text
  • https://s3.amazonaws.com/mupakijivuruzim/84777011797.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c84597ab-b054-4333-bb6d-6c4f13532b4b/90349482187.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/43145520792.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45ec68ad-da44-4770-b3aa-d7068fe73fd3/and_i_darken_kiersten_white.pdfIn PDF document text
  • https://s3.amazonaws.com/vedexajawo/comment_lutter_contre_l_absentisme_au_travail.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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