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://gettraff.ru/strik?keyword=cancer+de+colon+pdf In PDF document text

  • http://juzoduv.lenid-jugon.com/uploads/1/3/0/7/130740062/cfe5ce1e73e6389.pdfIn PDF document text
  • http://files.ironwharf.net/uploads/1/3/1/4/131453354/7192375.pdfIn PDF document text
  • http://sifum.kingcommodities.com/uploads/1/3/1/3/131378985/4851670.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/6d10f244-12e1-46e4-b7cb-f9d3b9bef272/38803677835.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53346ce1-e7ad-4a33-9fb6-f5846cd4fe47/gufixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28abe594-0c0a-41ef-b2e9-1388062bf9b9/94760850216.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f1e47d7-a9d8-4778-b998-b1bf29ff2b88/favozarum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3209/6149/files/the_radioactive_boy_scout_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5852/8405/files/answer_question_game_for_whatsapp.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2459/6642/files/18244091854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d27e1f66-29ad-4186-bcfa-54bad705e5d3/91103119408.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d62f98a-0d2a-4139-809b-4d6292ebd7d9/50515792673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/827f46a6-36fb-4dcd-a8ad-8ae3514e7439/jazaximotajupuponofudajor.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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