Ok, using the online validator web both seem damaged.
Using the latest version of Adobe Reader for Android (Apr 17, 2014) all the pdfs I tried open without warning, including simple-scan-test.pdf provided by till-kamppeter. With previous versions of Adobe Reader (in android) damaged pdfs wouldn't open, seems like they fixed that now.
When opening broken.pdf with acroread 8.1.7 (in linux) it says "the file is damaged but is being repaired" while fixed.pdf opens without warning.
Ok, using the online validator web both seem damaged. scan-test. pdf provided by till-kamppeter. With previous versions of Adobe Reader (in android) damaged pdfs wouldn't open, seems like they fixed that now.
Using the latest version of Adobe Reader for Android (Apr 17, 2014) all the pdfs I tried open without warning, including simple-
When opening broken.pdf with acroread 8.1.7 (in linux) it says "the file is damaged but is being repaired" while fixed.pdf opens without warning.