SUSPICIOUS — roblox-hacks-com_GM431946152.pdf

SUSPICIOUS — roblox-hacks-com_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: 7e64893a0e0cad8c8f52993dbb1ac138a5ae1fe6f3239452e63cd7c7f1da23eb
• SHA-1: 4b9453b6a253d9c212f2b0291ff6658b1e5cf655
• MD5: 7c4488359996f1db4e57c5bedd201c68
• ssdeep: 768:CqFc15RGWzqIPW80PQmNjsFZ+6zwsHE3N9UosgS:CqFsA3TjsFZ+6E59UosgS
• TLSH: T1E6328CF75197CD0C75964B03ACE26159A0CED3842277FA6080EC767CD2BD6BE6B10A21
• Submitted as: roblox-hacks-com_GM431946152.pdf
• File type: pdf · Size: 45306 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!7C4488359996
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1112
• T1105
• T1566.002

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/codes-to-get-free-robux_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.online/app/431946152/roblox-hacks-com-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/codes-to-get-free-robux_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-skin-maker_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 9 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)

9775 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• desktop-hsgcbep
• 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
• 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
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.85
• 23.11.37.157
• 20.190.167.18
• 192.168.122.105

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e77cd9522a288f3e99691a2feb918c11.png - ff91aa1e98f5e6b87aa19ef4feb6ce0568f35e04322f44c3c0a690d17d9aa97c
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 37219033ffe3d02470bcd8681d27fe073825f864f83e0fa0ed86e86649d11057
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://netcdn.online/app/431946152/roblox-hacks-com-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/codes-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-skin-maker_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-ios_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coins-and-spins-coin-master-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-group_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-java-edition_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-in-app-purchases_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link-download-ios_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spons-apk-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-roblox-hair_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-spin-blogspot_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-android_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-apk_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-can-i-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-can-u-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/master-coin-free-spin_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-for-roblox-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coins-coin-master-2021_GM406889139.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• netcdn.online
• www.biochemix.com

Embedded IP addresses

• 74.178.76.44
• 52.253.84.76
• 40.84.97.4
• 74.179.77.204
• 52.123.252.234
• 52.123.128.14
• 52.123.129.14
• 162.159.36.2
• 4.230.171.124

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report