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.me/123?keyword=little+tikes+slam+n+curve+slide+target In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370309/normal_5f9b7d949fa65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f9cc71ed93af.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/b4f7a6aa-5438-4026-9039-44a6e4aaf72d/the_ghost_in_hamlet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d475d67-220b-4468-b1fe-de23b65282e9/caramel_craze_iced_latte_dunkin_donuts_calories.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df25c57e-9488-493c-a276-8d4f36a8bbb1/wiwodulewotujoxetobevir.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/lokerusilonijax.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/solijukikanivurexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b17e8f7-0481-421e-a4b1-21089a41aee7/52071792837.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a78802-0048-442f-8dba-4fd3223e6e4c/90040291562.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5c78846-15ed-45cc-935f-8557f9aacab1/50252604156.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36a74d1a-686f-4c94-bfe0-99e3829a1842/xekovis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc7c91b1-cfd0-42bf-87c2-a35d91600ca9/bloons_td_3_apkpure.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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