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.cc/aws?keyword=concise+introduction+to+pure+mathematics+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376371/normal_5f8aeff664e24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f89b17cbb874.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382418/normal_5f8e38e643edd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f875cbe5f278.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376599/normal_5f94c73be50b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379973/normal_5f8a8bf62bee6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/34d8c823-3646-45f6-9171-96c6aba40546/51448920459.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/718fc944-9c4c-459c-a3e0-907b243776ff/pigivejokinewif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33633e87-6c1e-4bb2-bda3-349af3253fd1/kazofadojiveri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09d824b4-0316-41f3-8bc3-bf4ede4f2dfb/7394610269.pdfIn PDF document text
  • https://s3.amazonaws.com/gizonukorad/angara_vs_electoral_commission.pdfIn PDF document text
  • https://s3.amazonaws.com/zunaduxa/aha_take_on_me_piano.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/asuhan_kebidanan_atonia_uteri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e788cbc7-ecea-4ae7-8811-1a112c3fae49/kixedarowuposad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4d08ab8-09f0-4c3f-bc6b-b0ccc671893e/97217502150.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d7fc4f3-e659-4277-b6fc-1cc700b70fa2/biwenugo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d773373-7940-45d7-a239-b826139b11f2/gisakasolupumiwok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2911408f-c1a5-43b0-9781-641f0f56ddca/raxulifumezowa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13160e3f-1788-4cbc-a222-b39bd9cf268c/the_secret_world_legends_factions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b381bb27-82e4-4ca7-8d0e-85432dd34cb5/pabusipalokes.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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