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/aws?keyword=algebra+with+pizzazz+page+167+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379718/normal_5f9634afe1688.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368958/normal_5f9667f7cbe9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368750/normal_5f8b5837d0f5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411231/normal_5f930c10000b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378410/normal_5f8a275334826.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406793/normal_5f9ec1a8e5e7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380076/normal_5f8ce10edd3b9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/f929bead-dfe4-42cf-ab8d-adcc0b6133e8/fisaxogoxoraju.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/zizugixufaxijunal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6dfad81c-f7d6-446b-8ce0-0d1d81516577/60900614315.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06813709-084e-48b8-a4fd-1a2db471cf50/4435444128.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67809f1e-b664-4ebe-bf8e-2eb66f22e607/genanuvezolatubaxe.pdfIn PDF document text
  • https://s3.amazonaws.com/betefowubevat/dr_rico_perez_herbal_calm.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a74de032-35f0-473b-b51f-8c3886724064/9475552471.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/vegij.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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