When running the PDF file provided by the customer the following exception is thrown and the text is rendered as all special characters:

FINE: Could not create instance of font file 5
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at org.icepdf.core.pobjects.fonts.FontFactory.createFontFile(FontFactory.java:151)
at org.icepdf.core.pobjects.fonts.FontDescriptor.init(FontDescriptor.java:311)
at org.icepdf.core.pobjects.fonts.nfont.Font.init(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.Font.init(Unknown Source)
at org.icepdf.core.pobjects.Resources.getFont(Resources.java:147)
at org.icepdf.core.util.content.AbstractContentParser.consume_Tf(AbstractContentParser.java:722)
at org.icepdf.core.util.content.NContentParser.parseText(Unknown Source)
at org.icepdf.core.util.content.NContentParser.parse(Unknown Source)
at org.icepdf.core.pobjects.Page.init(Page.java:367)
at org.icepdf.ri.common.views.PageViewComponentImpl$PageInitializer.run(PageViewComponentImpl.java:1017)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
at org.icepdf.core.pobjects.fonts.nfont.i.readUint16(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.NFontTrueType.readMaxpTable(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.NFontTrueType.parse(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.NFontOpenType.parse(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.i.<init>(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.NFontTrueType.<init>(Unknown Source)
at org.icepdf.core.pobjects.fonts.nfont.NFontOpenType.<init>(Unknown Source)
... 17 more