Should I block it?
No, this file is 100% safe to run.
 
Relationships
     
    
        pdffilter.dll
Adobe PDF IFilter by Adobe Systems (Signed)
| Version: | 9.0.0.0 | 
| MD5: | 072201faf2885e77614e5b4533f361a6 | 
| SHA1: | 360ff8668a88df232c68c78fbdfb91d7e9e9e5a0 | 
| SHA256: | b00c34ce0d90f368f67c9c0a7191d293253764d09de4207d0dca21295c3ae0eb | 
Overview
pdffilter.dll is loaded as dynamic link library that runs in the context of a process. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Adobe Systems which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 7 Home Premium (6.1.7601.65536).
 Details
Details
| File name: | pdffilter.dll | 
| Publisher: | Adobe Systems, Inc. | 
| Product name: | Adobe PDF IFilter | 
| Description: | PDF IFilter | 
| Typical file path: | C:\Program Files\adobe\adobe pdf ifilter 9 for 64-bit platforms\bin\pdffilter.dll | 
| Original name: | AcroIF.dll | 
| File version: | 9.0.0.0 | 
| Size: | 217.35 KB (222,568 bytes) | 
| Certificate | 
| Issued to: | Adobe Systems | 
| Authority (CA): | VeriSign | 
| Effective date: | Monday, September 18, 2006 | 
| Expiration date: | Thursday, November 5, 2009 | 
| Digital DNA | 
| File packed: | No | 
| Code language: | Microsoft Visual C# / Basic .NET | 
| .NET CLR: | Yes | 
| .NET NGENed: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 100.00% |  | 
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Acer | 100.00% |  |