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/strik?keyword=african-+american+english+structure+history+and+use+pdf In PDF document text

  • https://site-1037218.mozfiles.com/files/1037218/sowudod.pdfIn PDF document text
  • https://site-1036985.mozfiles.com/files/1036985/vokowuribuzizasas.pdfIn PDF document text
  • https://site-1037214.mozfiles.com/files/1037214/6867428153.pdfIn PDF document text
  • https://site-1036855.mozfiles.com/files/1036855/43166827992.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004ed1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004ed1.bin)
  • https://cdn.shopify.com/s/files/1/0432/8708/5220/files/eye_of_azshara_entrance.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0091/4343/files/intel_wireless_ac_9462_driver.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/48754972600.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0665/5642/files/integration_of_hyperbolic_trigonometric_functions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7285/5967/files/37737022336.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b25f3270-31f1-4ed8-b273-935bf4d33724/99370602298.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72d50470-8d55-439d-9595-15b0c2872503/91268950167.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/123d4f7e-c0e3-4199-ae25-7217933bf7fe/sowexetewolajubepoguboz.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_off00004ed1.bin)

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