brother host based printing (HBP)

[Nils Kassube]

thufir wrote:
> I received a "pdf" by e-mail, which appears to be using Brother Host
> Based printing, based on:
> 
> 
> thufir at dur:~/Documents$
> thufir at dur:~/Documents$ pdfinfo mystery.pdf
> Syntax Warning: May not be a PDF file (continuing anyway)
> Syntax Error: Couldn't find trailer dictionary
> Syntax Error: Couldn't read xref table

Is that pdf file from a trustworthy source? Otherwise it might rather be 
a virus/worm/trojan exploiting some adobe reader bug. What does the 
command

file mystery.pdf

say?


Nils