Index: src/main/java/org/apache/pdfbox/pdfparser/NonSequentialPDFParser.java
===================================================================
--- pdfbox/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/NonSequentialPDFParser.java	(revision 1465268)
+++ pdfbox/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/NonSequentialPDFParser.java	(working copy)
@@ -32,6 +32,7 @@
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Queue;
 import java.util.Set;
@@ -382,6 +383,17 @@
                 }
             }
         }
+        
+        // JIRA-1557 - ensure that all COSObject are loaded in the trailer
+        for (COSBase trailerEntry : getDocument().getTrailer().getValues())
+        {
+            if (trailerEntry instanceof COSObject)
+            {
+                COSObject tmpObj = (COSObject) trailerEntry;
+                parseObjectDynamically(tmpObj, true);
+            }
+        }
+        
         initialParseDone = true;
         
     }