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Create attachment_pdf_susp_domain_globalsign.yml - #5258

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Create attachment_pdf_susp_domain_globalsign.yml#5258
keaton-sublime wants to merge 2 commits into
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keaton-sublime.fn.esc-24143.mql_attachment_link_checks

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Description

Matching messages with attached PDFs which contain links to two unique domains where one of them is not present in the tranco 10k list and uses a suspicious TLD, and the other is a link to globalsign. This has been observed in fake "sign here" documents.

Associated samples

Associated hunts

@keaton-sublime keaton-sublime added the in-test-rules PR is in our testing suite to collect telemetry label Sep 3, 2026
github-actions Bot added a commit that referenced this pull request Sep 3, 2026
github-actions Bot added a commit that referenced this pull request Sep 3, 2026
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