Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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=%25E0%25B9%2582%25E0%25B8%25A3%25E0%25B8%2584%25E0%25B8%2588%25E0%25B8%25B4%25E0%25B8%2595%25E0%25B8%25AB%25E0%25B8%25A5%25E0%25B8%25B1%25E0%25B8%2587%25E0%25B8%2584%25E0%25B8%25A5%25E0%25B8%25AD%25E0%25B8%2594+postpartum+psychosis+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367283/normal_5f875654cdea8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374362/normal_5f8920d11dcfe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f8709b1b9863.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f88deb2a0227.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368478/normal_5f87a63361a31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f8744a8df708.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f88ae6d5e024.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f89468c940d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374203/normal_5f88f6ea614ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f8859ff27e79.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367000/normal_5f872f0fa29a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f889ecb5321a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f8727d8673b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374699/normal_5f8936a9a91cc.pdfIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2869/5205/files/80799145283.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5465/2821/files/fexogepetuvuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/phyzspringboard_newtons_third_law_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3521/4503/files/the_system_builder_5th_edition_by_xuan_nguyen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2878/1988/files/gta_sa_car_mod_installer_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/0726/5944/files/fekibisokef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9477/files/94112993685.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7122/3991/files/aspirin_guidelines_in_pregnancy.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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