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://cctraff.ru/aws?keyword=beginning+spanish+worksheets+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379034/normal_5f8eedb5b5d9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384460/normal_5f8ccd1217b64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377100/normal_5f8f18857d2e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378843/normal_5f93b1f674f66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377414/normal_5f93b3bd60401.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f9518d6e1d7c.pdfIn PDF document text
  • https://sujajikozodes.weebly.com/uploads/1/3/1/3/131384638/fiwepe.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/farepo.pdfIn PDF document text
  • https://wojawafelufofux.weebly.com/uploads/1/3/0/8/130813934/2128366.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000649a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000649a.bin)
  • https://uploads.strikinglycdn.com/files/4df105d7-c3a2-4baf-b625-7f27d28b3c7a/kiwevituvodabe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7505acba-9b1f-4533-a317-fc9226413a93/samsung_tv_red_light_blinking_5_times.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9015ac9d-a2bf-49ae-820a-6ebbc4c1ab1f/38080189863.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/300864ab-af1c-4121-a29a-91678313e367/77336761643.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73991495-e9e8-4737-9fd5-66ba16338ffb/basic_animal_nutrition_and_feeding_5.pdfIn PDF document text
  • https://s3.amazonaws.com/wixamupelinere/jurosikaripowabesez.pdfIn PDF document text
  • https://s3.amazonaws.com/bupaxomu/incentive_program_for_employees.pdfIn PDF document text
  • https://s3.amazonaws.com/sinadi/azkar_masa.pdfIn PDF document text
  • https://s3.amazonaws.com/buponuwebi/91366439950.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_off0000649a.bin)

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