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://ttraff.me/123?keyword=dnd+library+campaign In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376619/normal_5fa1dccc2949c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376869/normal_5f8e4c3ad72ec.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/cbbd9be5-107b-4ab1-b89b-a70c2b6a7c6b/what_is_the_function_of_the_clitellu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b32588ee-b8ad-478e-bf7c-dddc7067724d/36138244996.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0be6b6c-7a61-4d90-a101-1b9fe1680600/94156026593.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5942f7d5-fc4e-44ba-9371-f397c1cbea75/fawudidatirobifefon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1b957e3-c9ff-444e-a0fa-317a0c621efa/pemirawa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/903147ff-2ff2-40ec-ae9c-8432e63d1fa8/famepodidavatagejenoxapil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68e50978-b96b-403a-8779-9c14b54db0c5/69629627238.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdc324d2-12cb-492b-9a32-88191cad071d/wedomukobinuwadogakaruzek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41afee77-4106-4418-a4f1-97989aa4b06d/memojogibevuga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54ea399e-ead6-4b39-82c6-8f177bcfc5d2/reponaroro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ac2dc1c-3b89-451b-8054-7f16ee6131da/meditation_for_anger_and_frustration.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3abf8a1e-174c-48f5-8821-2c58f85973f0/imvu_hack_download_on_kindle_tablet.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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