hashcat token length exception

Asked May 15 '23 at 23:13

Active May 16 '23 at 08:21

Viewed 916 times

Using pdf2john I get a hash like this:

$pdf$2*3*128*2147483644*1*16*1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111*32*9999999999999999999999999999999999999999999999999999999999999999

According to the list of hashes this looks like type 10500. So I try the command

hashcat -m 10500 -a 0 ./hash.txt

which spits out the error

Hashfile './hash.txt' on line 1 ($pdf$2...99999999999999999999999999999999): Token length exception

where hash.txt simply contains the above hash. There is no whitespace at the end of my hash.txt file, so I'm at a loss as to what to try next.

edited May 16 '23 at 08:21

schroeder

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asked May 15 '23 at 23:13

kotozna

have you tried with autodetection? – liakoyras May 16 '23 at 10:35
@liakoyras Just tried it, same error. – kotozna May 16 '23 at 16:20
Did you copy pasted the hash or piped it into the file? – UndercoverDog May 16 '23 at 17:05
@liakoyras I tried two ways, first copy and paste, second pipe into a file but then use Nano editor to remove the unimportant parts of the hash that pdf2john spits out. Btw I am using the perl version of pdf2john. – kotozna May 18 '23 at 00:35
While the example hash from the Hashcat wiki contains -1028, your hash includes 2147483644 instead, being very close to the 32bit integer limit (2,147,483,647). This does not have to mean anything, but it could mean your pdf2john had an integer overflow – UndercoverDog Aug 28 '23 at 16:03

hashcat token length exception

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