I have checked many blogs and tried many option i am unable to search the pdf content using Adobe filter
(1)i have installed the adobe filter from
http://www.adobe.com/support/downloads/detail.jsp?ftpID=4025
(2)set the envoirment variable in the control panel to the bin directory of ifilter on the server

Backup the docicon.xml file, and Add an entry in docicon.xml for the PDF icon:
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\XML
<Mapping Key="pdf" Value="pdficon17.gif">
(4)Add PDF file type on the File Type page under Search Service
(5)added the followng registry
\\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\14.0\Search\Setup\Filters
"Extension"="pdf"
"FileTypeBucket"=dword:00000001
"MimeTypes"="application/pdf"
\\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\14.0\Search\Setup\ContentIndexCommon\Filters\Extension
added .pdf and set the below value
{E8978DA6-047F-4E3D-9C78-CDBE46041603}
(6)Stop and start the search service using below
Net Stop OSearch14
Net Start OSearch14
(7) restart the server
(8)reset the index
(9) run the full crawl
still i am unable to search the PDF content from Sharepoint search
can any one help in this i will be thankful
regards
MCTS,ITIL