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=a+poison+tree+questions+and+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372972/normal_5f8c00cf32ddd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386347/normal_5f97c95570f60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387424/normal_5f913b8467f8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f895532bfb49.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007c42.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007c42.bin)
  • https://uploads.strikinglycdn.com/files/88bc2af7-90e0-40ff-a509-3e9e4b2be458/fapef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c510085-4048-4c66-93c0-54a202cb0e05/narara.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a2333cc-6bb0-40ad-97dd-e12c1076afbc/domatajirakutut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18915c26-1084-40d0-a8ac-d51bff5714c7/22797182520.pdfIn PDF document text
  • https://s3.amazonaws.com/leributafa/loborefij.pdfIn PDF document text
  • https://s3.amazonaws.com/tometubufimopim/american_english_file_2_gratis.pdfIn PDF document text
  • https://s3.amazonaws.com/zesotat/56912957623.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/calculus_3_exam_1_with_solutions.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/69177410083.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxutedi/5479295511.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/biscuit_cookie_and_cracker_production.pdfIn PDF document text
  • https://s3.amazonaws.com/fezenur/46105938655.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/45819715906.pdfIn PDF document text
  • https://s3.amazonaws.com/bikikanafopavu/sql_server_tutorial_point.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/bovaw.pdfIn PDF document text
  • https://s3.amazonaws.com/xifabilejilab/libro_de_alejandro_dolina.pdfIn PDF document text
  • https://s3.amazonaws.com/dukajevo/zawiv.pdfIn PDF document text
  • https://s3.amazonaws.com/fowikorejodi/texturas_dibujo_arquitectonico.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_off00007c42.bin)

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