Index: trunk/src/main/java/org/apache/pdfbox/pdfparser/PDFParser.java
===================================================================
--- trunk/src/main/java/org/apache/pdfbox/pdfparser/PDFParser.java	(revision 722259)
+++ trunk/src/main/java/org/apache/pdfbox/pdfparser/PDFParser.java	(working copy)
@@ -47,6 +47,7 @@
     private static final int SPACE_BYTE = 32;
 
     private static final String PDF_HEADER = "%PDF-";
+    private static final String FDF_HEADER = "%FDF-";
     private COSDocument document;
 
     /**
@@ -203,10 +204,10 @@
     	// read first line
     	String header = readLine();
     	// some pdf-documents are broken and the pdf-version is in one of the following lines
-        if (header.indexOf( PDF_HEADER ) == -1)
+        if ((header.indexOf( PDF_HEADER ) == -1) && (header.indexOf( FDF_HEADER ) == -1)) 
         {
                 header = readLine();
-                while (header.indexOf( PDF_HEADER ) == -1)
+                while ((header.indexOf( PDF_HEADER ) == -1) && (header.indexOf( FDF_HEADER ) == -1))
                 {
                 	// if a line starts with a digit, it has to be the first one with data in it
                 	if (Character. isDigit (header.charAt(0)))
@@ -216,7 +217,7 @@
         }
 
         // nothing found
-        if (header.indexOf( PDF_HEADER ) == -1)
+        if ((header.indexOf( PDF_HEADER ) == -1) && (header.indexOf( FDF_HEADER ) == -1))
         {
             throw new IOException( "Error: Header doesn't contain versioninfo" );
         }
@@ -237,9 +238,16 @@
 
         try
         {
-            float pdfVersion = Float. parseFloat (
-                header.substring( PDF_HEADER .length(), Math. min ( header.length(), PDF_HEADER .length()+3) ) );
-            document .setVersion( pdfVersion );
+        	if (header.indexOf( PDF_HEADER ) != -1) {
+	            float pdfVersion = Float. parseFloat (
+	                header.substring( PDF_HEADER .length(), Math. min ( header.length(), PDF_HEADER .length()+3) ) );
+	            document .setVersion( pdfVersion );
+        	}
+        	else {
+        		float pdfVersion = Float. parseFloat (
+    	                header.substring( FDF_HEADER .length(), Math. min ( header.length(), FDF_HEADER .length()+3) ) );
+    	        document .setVersion( pdfVersion );
+        	}
         }
         catch ( NumberFormatException e )
         {