Version: 53.0.2748.0
OS: Ubuntu 14.04

URL : http://www.pdf995.com/samples/pdf.pdf

What steps will reproduce the problem?
(1)Launch chrome -> Go to Above URL
(2)Try to Download PDF and observe Browser Crash

Below are the Crash Ids:
Crash ID a3fcdfea00000000 (Chrome)

Expected: File should get downloaded
Actual: Instead Browser Crash is seen on Downloading PDF File

This is Regression Issue broken in M-53
will provide bisect info soon