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://ggtraff.ru/strik?keyword=compendium+of+classification+opinions+pdf In PDF document text

  • http://files.twinklestarspeuterschool.com/uploads/1/3/1/3/131379769/07e8bb.pdfIn PDF document text
  • http://goref.azzaziphoto.com/uploads/1/3/0/9/130969422/5664680.pdfIn PDF document text
  • http://files.spiritualistfellowshipchurchofne.com/uploads/1/3/0/7/130740017/81c41386cd2f929.pdfIn PDF document text
  • https://site-1039307.mozfiles.com/files/1039307/41263085313.pdfIn PDF document text
  • https://site-1039350.mozfiles.com/files/1039350/97047448553.pdfIn PDF document text
  • https://site-1040670.mozfiles.com/files/1040670/kujelezitogadag.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/ad3ca8ef-4eb4-4670-9b64-d5563d6e7bdd/guvinusivixaxelag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3814d2ec-199d-486a-ab9f-48f9c4a5cb9f/pubosapo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/245722ae-088c-4777-bdcf-ebb20ea6a2b2/67577094861.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6201fd3b-9b9b-4939-b119-b0369a8fd093/lowupijarila.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5872e17e-7fcb-45ef-af49-bcb599882aa1/94646189772.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c37cb15e-d89f-4379-9bde-16c4f2d276d4/67971414692.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dc99842-4c06-449e-9297-29dca105892b/vibepuneloxekarowufafomu.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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