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/123?keyword=jarl+elisif+the+fair In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375890/normal_5f9283418b4a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383692/normal_5f8be18bb815e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389586/normal_5f8e086389875.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371523/normal_5f9191f449a38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408711/normal_5f9c5261333f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387412/normal_5fa0b822af674.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tetazino/17267948436.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/libro_de_periodoncia_carranza_gratis.pdfIn PDF document text
  • https://s3.amazonaws.com/toguvaju/mobujawurojezoduv.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/37124315119.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/webabetakiwi.pdfIn PDF document text
  • https://s3.amazonaws.com/zunaporam/juxuwekoniwatuwibus.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/receptive_one_word_picture_vocabulary_test.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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