SUSPICIOUS — how-to-get-2-robux-for-free_GM431946152.pdf

SUSPICIOUS — how-to-get-2-robux-for-free_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 5 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: cb27dae75ff41d951410001c138a82144d672aaa68d629300da1bcc9faf11a21
SHA-1: 3e2c39a5fd368bcdceeac11c94dd9a107ba28605
MD5: 757060b98edffefcf9be67e550acbbf2
ssdeep: 768:PtD8PGzX0vjzYZpnNxs+OAUoHryZiurgncvSZ7ua6JEtBLvNye:PtD8Pzv3YZbxtJHuiogncvFa6Jc1Nye
TLSH: T1C8338DF70197DC5CB9954B07A8B525ACB08DE3C421BAEE8080E8766CD8785FD6F21621
Submitted as: how-to-get-2-robux-for-free_GM431946152.pdf
File type: pdf · Size: 48849 bytes
Verdict: suspicious (66/100)

Detections (5 of 50 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
Emsisoft (Emergency Kit): PDF.Spam.Heur.2
Trellix Stinger (McAfee): PDF/Phish-TWM!757060B98EDF
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The suspicious score of 66/100 is the fusion of 7 weighted signals:

Embedded link rated suspicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://netcdn.co/app/431946152/how-to-get-2-robux-for-free-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdf - static signal, weight 0.35, confidence 0.60
Document active content: uri-action - static signal, weight 0.30, confidence 0.60
Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Contacted 11 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9602 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
to-do.office.com
staging.to-do.officeppe.com
teams.cloud.microsoft
outlook.office.com
outlook.office365.com
b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
252.0.0.224.in-addr.arpa
250.255.255.239.in-addr.arpa
2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
desktop-hsgcbep
ntp.ubuntu.com
desktop-hsgcbep._dosvc._tcp.local
desktop-hsgcbep(1)._dosvc._tcp.local
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - cb26e7c62d7935d70089a6f4298601d53ccad48a5c7146ecadf82e8a98e50444
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\0e1c9dbdb8835a0ecad670a7f635c3bd.png - 43330f01c1764b7ebcf704f728f477e473930c754f791d04c29830f6ed05dce9
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://netcdn.co/app/431946152/how-to-get-2-robux-for-free-game-hack
http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-easy_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/robux-free-gift-card_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/robux-hack-generator_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-severs_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-daily-spins_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/hacks-minecraft_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-do-you-hack-roblox-players_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-cheats_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/roblox-avatar-com_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/androeed-ru-minecraft_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-do-you-earn-robux_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-free-download-android_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-any-games_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-roblox-gift-cards_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/no-human-verification-hack-for-coin-master_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-hack-us_GM431946152.pdf
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

netcdn.co
www.biochemix.com

Embedded IP addresses

172.66.2.5
52.123.252.248
52.182.143.212
20.184.175.2
52.110.12.10
57.155.101.212
135.232.92.97
135.233.95.144
52.123.129.14
40.99.133.226
4.230.171.124

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report