Index: src/java/org/apache/fop/render/pdf/extensions/PDFEmbeddedFileElement.java
===================================================================
--- src/java/org/apache/fop/render/pdf/extensions/PDFEmbeddedFileElement.java	(revision 1652746)
+++ src/java/org/apache/fop/render/pdf/extensions/PDFEmbeddedFileElement.java	(working copy)
@@ -30,6 +30,7 @@
 import org.apache.fop.fo.Constants;
 import org.apache.fop.fo.FONode;
 import org.apache.fop.fo.PropertyList;
+import org.apache.fop.fo.extensions.ExtensionAttachment;
 
 /**
  * Extension element for pdf:embedded-file.
@@ -97,4 +98,12 @@
     public String getLocalName() {
         return ELEMENT;
     }
+
+    /**
+     * Instantiates extension attachment object.
+     * @return extension attachment
+     */
+    protected ExtensionAttachment instantiateExtensionAttachment() {
+        return new PDFEmbeddedFileAttachment();
+    }
 }