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/strik?keyword=sports+coach+recommendation+letter In PDF document text

  • https://site-1037125.mozfiles.com/files/1037125/givaselalifoviwixumerigej.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/5bddf17e-1c50-45fe-b6d4-1b64b0607b92/22612714223.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d1f21c2-38af-4c39-a0b1-b72c72987777/nofiwijuzejuduw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8432d8e9-8f34-4319-b29a-ce2772e53f31/41792014483.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d758d2b-7a10-42f7-ae76-76db3837419e/55525621752.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e3e919d-3322-4f1c-bbff-5b8f8e141c23/lonik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/043f072d-401c-40c0-84c6-16142f911976/dogozugoxaje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5207/2612/files/castle_wars_3_unblocked.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3395/1399/files/96512019616.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/7747/4206/files/saeco_aroma_espresso_machine_troubleshooting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9419/4843/files/you_gotta_push_the_whopper_button.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0844/8919/files/career_scavenger_hunt.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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