Don't have Telegram yet? Try it now!
https://ja.hideki.hclippr.com/2008/06/07/openoffice-org-3-0-pdf-import-plugin%e3%82%92%e8%a9%a6%e9%a3%9f%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b/
OpenOffice.org 3.0 PDF Import Pluginを試食してみる