Another sample file which leads to the same exception
test_excel.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet), 14.60 KB, created by Martin Studer on 2015-12-29 15:24:00 UTC
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Creator: Martin Studer
Created: 2015-12-29 15:24:00 UTC
Size: 14.60 KB

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Attachments on bug 52836: 28424 | 28816 | 33383 | 33553