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://traffking.ru/aws?keyword=office+com+sign+in In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377935/normal_5f8e1630713e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f902fcd574a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411491/normal_5f9586f547dc2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411708/normal_5f9e1a8d3dbf0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452148/normal_5fa2f9794580e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366020/normal_5f875bbe9d948.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414500/normal_5f9ad9afe9e33.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/0ec9ad19-cda3-43d1-bc80-2f2cf820616e/44132852399.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/718d4d6e-123f-483e-80bc-933b156ff421/26182682243.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89e2c3df-1e14-45a5-be89-6fe38e130bc7/50524174671.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcd1f754-73c9-4df3-b6d1-12da7afc0405/ganojolexejo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c806f9f-bbdd-456c-9ab2-327f48330616/85341173812.pdfIn PDF document text
  • https://s3.amazonaws.com/buxoparadazegu/learn_excel_formulas.pdfIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/bored_pile_procedure.pdfIn PDF document text
  • https://s3.amazonaws.com/zurovajij/1266966527.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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