Here is a similar ppt file producing the same rendering artifacts
testDocument.ppt (application/vnd.ms-powerpoint), 222.50 KB, created by Jared on 2012-11-14 21:43:34 UTC
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Creator: Jared
Created: 2012-11-14 21:43:34 UTC
Size: 222.50 KB

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Attachments on bug 52297: 28046 | 28047 | 29597