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://ttraff.link/123?keyword=le+groupe+nominal+exercices+corrig%25C3%25A9s+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379034/normal_5f93318d39d8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379601/normal_5f8abf7f85d1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387420/normal_5f9236fa3988a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393790/normal_5f8f5a1464d73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5f8724087fd52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383132/normal_5f8b8f8e5724a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383923/normal_5f9444dab36ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384320/normal_5f8d97f9b2869.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369163/normal_5f8fad8b97992.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384632/normal_5f926416104ce.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006328.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006328.bin)
  • https://uploads.strikinglycdn.com/files/07681dc1-3a6b-4ca3-abfc-54f102b8ed2e/10841137967.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b2739dd-6473-4826-a5e1-40c5ad63f24f/koragebikiwaravikejasaku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab527550-8a4a-4eff-8274-ad2cb42604b8/petersons_field_guide_to_edible_wil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/792a55a2-d07d-422c-a782-cd026c13628a/zoxavubikaregox.pdfIn PDF document text
  • https://s3.amazonaws.com/vavabi/65528557246.pdfIn PDF document text
  • https://s3.amazonaws.com/donarepemi/84989633737.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/27126121873.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/zegezimorotof.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/medical_applications_of_biotechnology.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/60194583983.pdfIn PDF document text
  • https://s3.amazonaws.com/punurum/cultivo_de_moluscos_bivalvos.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/all_about_space_august_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/first_angle_and_third_angle_projection_method.pdfIn PDF document text
  • https://s3.amazonaws.com/foneniz/takokozemut.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_off00006328.bin)

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