file 1:5.31-1, 1:5.30-1+deb9u1, and 1:5.25-2ubuntu1 all misdetect an APK file:
$ file im.zom.messenger_1510005.apk /tmp/im.zom.messenger_1510005.apk: DOS/MBR boot sector Here is the 14MB APK called im.zom.messenger_1510005.apk: https://drive.google.com/open?id=0B7TJ3OZ3bai_STVqbHZva21MZms
