pdfreader.exe

Soda PDF

Air Software

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application pdfreader.exe by Air Software has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. The file has been seen being downloaded from trk.airinstaller.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Soda PDF

Version:
2.0.3.35

MD5:
45153fafbbe5cd94467edd8c58230740

SHA-1:
bad966bf81639c90b04118e4090d433094715928

SHA-256:
51f41d3bf318ef7417ef8c7b01dee347277c8ccc8f44403a0ac76ef442c09f3b

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/25/2024 12:04:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.5.5.12

File size:
2.1 MB (2,227,784 bytes)

Product version:
2.0.3.35

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\pdfreader.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
2/29/2012 7:00:00 PM

Valid to:
3/1/2013 6:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
36D5AA8967E82240D5AFEC2F301B54ED

File PE Metadata
Compilation timestamp:
1/31/2013 7:13:43 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:h8uHdeUK5VxnvW3nBQXoqmwVNMu4oSRCqjX/doOXk2IXSBdvOZ3BIX9NbZrH7O:h800zvW3nBQXouVNzSRCqjXfXk2IcvOn

Entry address:
0x14F6B9

Entry point:
E8, C8, 93, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, B0, 9D, 5E, 00, 75, 02, F3, C3, E9, 4F, 94, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 14, 56, 85, C0, 74, 41, 83, 7D, 08, 00, 75, 13, E8, E6, 22, 00, 00, 6A, 16, 5E, 89, 30, E8, BD, 96, 00, 00, 8B, C6, EB, 2A, 83, 7D, 10, 00, 74, E7, 39, 45, 0C, 73, 0E, E8, C8, 22, 00, 00, 6A, 22, 59, 89, 08, 8B, F1, EB, DE, 50, FF, 75, 10, FF, 75, 08, E8, E3, 11, 00, 00, 83, C4, 0C, 33, C0, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 45, 08, 56, 8B, F1, C6, 46, 0C, 00, 85, C0, 75, 63, E8...
 
[+]

Entropy:
6.4916

Code size:
1.5 MB (1,595,392 bytes)

The file pdfreader.exe has been seen being distributed by the following URL.

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