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pdf_reader.exe

The application pdf_reader.exe has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from static.appfindr.org and multiple other hosts.
MD5:
d1f55a994b443604faac339f755a9d23

SHA-1:
6d1483718c64564a2607df7e7f707e21f0a9f9d5

SHA-256:
13295d939ef98e3294def54e6dbfab2e60c7d81e3f2a69cadd222ef76ae3e871

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
4/18/2024 4:09:56 AM UTC  (today)

Scan engine
Detection
Engine version

Malwarebytes
PUP.Adware.Agent
v2015.02.16.04

McAfee
Artemis!D1F55A994B44
5600.6853

SUPERAntiSpyware
Trojan.Agent/Gen-Downloader
10051

Trend Micro House Call
Suspicious_GEN.F47V1221
7.2.47

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic.pak!cobra
36966

File size:
252.5 KB (258,539 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
8/28/2014 10:10:27 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:LAWEqcrBSTBA9U0hrOApEKxwcCab3WM5jDMUjoqnZt2wRKdV1HwwgXlgM:LkZGWa0BvEKlCOWM5jDBv2wR4UPXj

Entry address:
0x3350

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, A8, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 23, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 3B, 74, 40, 00, FF, 15, 58, 71, 40, 00, 68, 30, 74, 40, 00, 68, C0, 33, 42, 00, E8, 15, 24, 00, 00, FF, 15, B0, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 03, 24, 00, 00...
 
[+]

Entropy:
7.3054

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file pdf_reader.exe has been seen being distributed by the following 2 URLs.

http://static.appfindr.org/PDF_Reader.exe

http://www.appfindr.org/en/.../download.php

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