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=sample+of+school+log+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f8c12432e1e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369524/normal_5f8898896d102.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369776/normal_5f88b6e912c29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370286/normal_5f88893eb97a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378830/normal_5f8a46fcf1c75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f8a9748b91df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367927/normal_5f8834fe45f3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384028/normal_5f8e45c70c814.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392193/normal_5f8e8b91a0741.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380531/normal_5f8de45328ee3.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/f9e0b1b9-b4f6-46c4-a115-b4e189b16ea6/85493856669.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cc04b01-6ed7-4fff-afd7-e0f820d84d81/69529285244.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/263dc623-43f1-4ff1-b824-cedde895d19a/81799174552.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c56be9b9-d572-4fd7-84a0-b2476223464d/3898555352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a694543-23fa-45bb-99bc-2afb439d2d20/41741061817.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f776e10b-5a4a-47b8-8d57-54a183ebaf06/larakudemitafujod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23798099-cc3e-4b07-bb66-c00f25617a0d/99360201766.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2428e43f-cd7b-4b4f-a7ad-e05838243ca2/37289398901.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f955339b-8836-47eb-b0d9-3b24e32e73f2/disimatojilod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65053f46-d552-4832-ae28-7654a9bfd7f8/21273541688.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f290ac49-d5bb-4455-a179-893d84c3fa90/6261902325.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f8c9f25-66d6-4d5c-95d0-2a6ab5461b7c/90391425277.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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