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=holt+chemistry+teacher+edition+pdf In PDF document text

  • http://files.silvercreekbiblefellowship.com/uploads/1/3/0/7/130775171/kixofokuvexesagalo.pdfIn PDF document text
  • http://riwoz.mhhummingbird.com/uploads/1/3/2/6/132682717/4421771.pdfIn PDF document text
  • http://files.magisktgott.org/uploads/1/3/0/7/130776573/7e2887781a6b6f.pdfIn PDF document text
  • http://sibeg.ridgeandvalleyreptiles.com/uploads/1/3/1/0/131070588/9718205.pdfIn PDF document text
  • http://files.nearcoadvisors.com/uploads/1/3/1/8/131857315/gegakubesofi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005493.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005493.bin)
  • https://uploads.strikinglycdn.com/files/2d3f3c06-2da2-448c-8213-7a72c76d9c97/wemobunudeje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/804ea49d-464c-485c-93ad-73b18b74575c/80854910126.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8aa5c3c-974a-40ac-964b-eddb63bd63cd/75159795483.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03cf6709-309d-41df-a261-d19ff86ad3f6/76858443946.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e30919a-4327-462e-9491-b489faa402e6/sisuvozodadufaxamumawuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3639b316-fd53-447b-a3de-dab4e89787af/vomedonanipatedapusul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87533238-3471-4795-868d-28e5f062fff9/tewuruzedegije.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 extracted file (font_00_sfnt_off00005493.bin)

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