By default SharePoint uses a white icon for PDF documents. It’s rather plain. To use a PDF icon follow these steps… Download the PDF icon to your SharePoint server. Navigate to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\IMAGES Place the image in the IMAGES folder and name it icpdf.gif Edit C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\XML\DocIcon.xml Insert <Mapping…