It is not possible. Certified pdf produces own menu in InDesign, Illustartor or QuarkXPress. One cannot access with a InDesign Java-Script this menu. As you already wrote, Pit stop server would be a solution.
If you must process many InDesign documents, a complete solution with Enfocus PowerSWITCH, InDesign-Server and PitStop-Server would be the best solution.
The advantages with PowerSWITCH would be:
- a continuous Workflow
- Monitoring of InDesignServer
- Monitoring of PitStop-Server
- Notification with incorrect documents or failed processes.
and much much more.