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://cctraff.ru/aws?keyword=isosceles+trapezoid+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4420222/normal_5f96dade6b7e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f94dc108750a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385880/normal_5f92ab890bf3c.pdfIn PDF document text
  • https://tebokatesax.weebly.com/uploads/1/3/3/9/133999418/sesunabut.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394071/normal_5f9279166c619.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370746/normal_5f8e549b26af7.pdfIn PDF document text
  • https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/311632.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004fbb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004fbb.bin)
  • https://cdn.shopify.com/s/files/1/0268/7831/2625/files/rivunon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6928/2725/files/femoxugapemam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4551/0568/files/hyrule_warriors_legends_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2357/8789/files/frozen_watch_online_youtube.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0461/8276/0601/files/9501086680.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0464/5129/4376/files/rujuzuxivenik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6153/8727/files/gonos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7481/7693/files/45653230570.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8837/0582/files/scratch_photo_app_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7897/0272/files/microsoft_teredo_tunneling_adapter_not_showing_up.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7046/2373/files/doctor_appointment_system_project_report.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9304/2362/files/7758153828.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b141af3-aed4-4eee-89a8-94fdcfd418cc/66004053007.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c50931f-30db-442f-a72e-ffe5607761bf/alera_elusion_series_mesh_high-back_multifunction_chair_manual.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_off00004fbb.bin)

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