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=trig+ratios+worksheet+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365627/normal_5f88b257bb1d6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407795/normal_5fa129bb77288.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419235/normal_5f9a0cd35191c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383915/normal_5f9672157ad78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374689/normal_5f91bbbfc942d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379723/normal_5f9b3bcdbfa8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388177/normal_5f8e760be4aaa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391340/normal_5f9632d581b4b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387427/normal_5f8e3ce26429d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373240/normal_5f8fef059d43e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368748/normal_5f88d716f175d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380383/normal_5f935db181e7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394079/normal_5f953bf8519fd.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/adeda558-27c4-4390-a8d4-081fba212936/mozikuvijavamopivisifi.pdfIn PDF document text
  • https://s3.amazonaws.com/bejeseja/betrayal_at_house_on_the_hill_book.pdfIn PDF document text
  • https://s3.amazonaws.com/bubodeliza/sensory_words_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f89b9b7c-9a28-4be1-9320-f6d67d4defdf/vopulaximowozapugulomuled.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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