crabel writes with this quote from the H Online: "At the 27th Chaos Communication Congress in Berlin security researcher Julia Wolf pointed out numerous, previously hardly known security problems in connection with Adobe's PDF standard. For instance, a PDF can reportedly contain a database scanner that becomes active and scans a network when the document is printed on a network printer. Wolf said that the document format is also full of other surprises. For example, it is reportedly possible to write PDFs which display different content in different operating systems, browsers or PDF readers — or even depending on a computer's language settings."
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