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://cctraff.ru/123?keyword=amyotrophic+lateral+sclerosis+guidelines+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f87089797a03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382618/normal_5f90cc09df351.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376099/normal_5f9417c1381c1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366050/normal_5f8b808aabc56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379611/normal_5f9201bfc478a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392871/normal_5f8fc7dad0357.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369330/normal_5f90d63d40477.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382413/normal_5f90aaf341b13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f8c45bfc01e9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000739a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000739a.bin)
  • https://s3.amazonaws.com/zuxadol/wawilolaligukila.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/zugopesesiduzano.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/23424272153.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/63739931780.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7ee70e3-bc40-4413-9ca5-51aba0a1c2d2/96657487583.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a8aa457-4e92-4796-b2f8-c89fea2c1d5c/medstudy_17th_edition_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c22776d5-adad-4f26-bef9-b86d0964bb5a/55218125522.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88893043-cc7b-4c88-80d1-8da013e91f20/wudofanirerafiraziwak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09a94cf1-63d2-4e74-ae82-48d71d40b4e9/33355935324.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11f61958-f06b-4d25-a31f-a3ed62e88011/welar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4fb455e-ae34-4e50-bf18-0a93397eb561/73591786855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bd66e3e-b0ba-4802-8b7e-993eed469cb2/64561127399.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f08393f0-9e0d-4246-b969-339e21fdf2fb/vuxinevojano.pdfIn PDF document text
  • https://medlineplus.gov/amyotrophiclateralsclerosis.htmlIn 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 extracted file (font_00_sfnt_off0000739a.bin)

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