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I have received a zip file which I can't open. In the email network header, the content-type for the document reads

text/html; charset=utf-8

but file -i and 'file' for the same file respectively read

'application/octet-stream; charset=binary' and 'Zip archive data'

When opened as an HTML, the file is some unreadable garbage, and opened as a .zip yields an error.

I think it may have something to do with the file header being incomplete. The first 8 bytes of the file have no meaningful data,

14 03 00 00 08 00 5B 82

but changing these to the header of a zip file still leads to errors. Using iconv -c -t UTF-8 also results in garbage.

How can I open this file? i have left a link for it at https://drive.google.com/open?id=1mf1UX_-Oec6cAwDs-lGqf47SejfKVCsp in case the actual file is needed.

P.S: This is what the zip -FF -li -v command gives for the file:

Fix archive (-FF) - salvage what can
 Found end record (EOCDR) - says expect single disk archive
Scanning for entries...
 Local ( 1      0):
    zip warning: Unrecognized compression method in local header:  19353
    zip warning: Skipping:  (null)
Central Directory found...
 Cen   ( 1   2724): no local entry: masterkey
EOCDR found ( 1   2779)...
    zip warning: zip file empty
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