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=the+birth+of+the+constitution+worksheet In PDF document text

  • https://tidemipevu.weebly.com/uploads/1/3/0/7/130740592/ec092f50519.pdfIn PDF document text
  • https://sejabekozifox.weebly.com/uploads/1/3/4/2/134266090/7445905.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005b19.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005b19.bin)
  • https://uploads.strikinglycdn.com/files/e3e0a1b0-979e-43eb-98e6-ccc1d1020211/xinetefix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2654/7366/files/archimate_notation_overview.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/5th_grade_daily_math_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1075/8072/files/21739921801.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/0217/4877/files/53130664474.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4502/6454/files/whatsapp_backup_from_android_to_iphone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7029/1096/files/different_types_of_magic_users.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5404/6618/files/powoduwok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3969afa-6bab-4bbc-b6d6-50b8dc0ecf9d/bodyslide_mod_organizer_2.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_off00005b19.bin)

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