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?utm_term=publication+manual+of+apa+edition+6th+ebook In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392457/normal_5f90ec6ae59a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386330/normal_5f8fbba0acbc4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407994/normal_5fbefae9aa6ff.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474746/normal_5fcf4700c29c6.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://static1.squarespace.com/static/5fc6751d27a199023adb75cf/t/5fcac91f76b5484ec15ae506/1607125283045/ark_survival_evolved_2._37.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0e8305687f52b6b812c21/t/5fc227511972c46e3ce74edb/1606559570533/37492617373.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd1e75e6047f1ef2ef9bf5/1606229622015/koridupawamopaxelobatuji.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc32cce11f6a4198494824d/t/5fcfc67440c69868b34f319d/1607452277775/super_mario_world_advance_2_game_over.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0c991c6d9645836219624/t/5fcbc27b9cf56e0e8b19c2a9/1607189130388/what_is_dingtone_invitation_code.pdfIn PDF document text
  • https://s3.amazonaws.com/jinabisura/algorithme_informatique_exercices_corrigs.pdfIn PDF document text
  • https://s3.amazonaws.com/difigomisosak/vapuwapitizomok.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc06d09e5c7695ca9994347/t/5fc1480e3c6ccf69f38d369b/1606502414878/real_steel_mod_apk_old_version.pdfIn PDF document text
  • https://s3.amazonaws.com/sesafefanulokam/manual_for_singer_401a.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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