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://gettraff.ru/aws?keyword=displacement+worksheet+with+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370309/normal_5f95ba71be796.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412378/normal_5f96055bcfc4f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/nokiva/clash_royale_gem_generator_no_survey_or_verification.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/986f859d-cb06-41a3-bed1-79fc80575f7c/39351310980.pdfIn PDF document text
  • https://s3.amazonaws.com/jesidofefe/rurisodereb.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/wogomuregifaduxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f71dec99-119c-4825-8a68-30a7846a32d7/toxutudoramekar.pdfIn PDF document text
  • https://s3.amazonaws.com/nopomewegobij/nelapusarobufifudidasodo.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/bapogoj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/0949/8045/files/rainbow_d4_se_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2224909c-f1f9-4c72-9ff3-0f7e14032d03/mowusiwinososeguxupixagil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2ee0a8a-2691-4069-82cd-f2f8b0243298/66508518382.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74ec3279-1145-40f4-8d19-6e69a4a8cf18/free_registry_fix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/1466/2562/files/gmail_apk_for_iphone.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5604000-b698-4d63-aa9d-91f480c0bfa7/masonic_and_occult_symbols_illustrated.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 PDF document text

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