SUSPICIOUS — jailbreak-roblox-hack_GM431946152.pdf

SUSPICIOUS — jailbreak-roblox-hack_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (56/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 2a78b3a693879fece27fff2a8475fb5ca14f726a4a29ea16daf3fc713ca4c0ca
• SHA-1: e8f24bd32a782cf0370192757b16f43d9b14dc56
• MD5: fba816b6027171b7a3ded431ca09ff6b
• ssdeep: 768:HqQfvEG4DqB6bJNBdMv1EhoFSpIX/aZQAZ5/QXl4UUXh3K:HtfMG+tMF/aZQrUXZK
• TLSH: T1A4328DFB11CBDC4CBA8B4B53A966746D98D8D78C6022DE8484DC776CC0AC1FE6B50521
• Submitted as: jailbreak-roblox-hack_GM431946152.pdf
• File type: pdf · Size: 43702 bytes
• Verdict: suspicious (56/100)

Detections (5 of 53 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!FBA816B60271
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1112
• T1105

Why this verdict

The suspicious score of 56/100 is the fusion of 6 weighted signals:

• Embedded network infrastructure: https://netcdn.xyz/app/431946152/jailbreak-roblox-hack-game-hack, http://en.leechan.com.cn/Public/upload/editorfiles/minecraft-online-free-download_GM479516143.pdf, http://en.leechan.com.cn/Public/upload/editorfiles/get-free-robux-no-human-verification_GM431946152.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 18 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)

9594 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
• outlook.cloud.microsoft
• c.pki.goog
• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep
• ntp.ubuntu.com
• 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
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - c610221ee32475e81f998736d9c5ee2edad08fc7302fd9073d837e7368fbe2f6
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\24ea0d59c0b6088e6023803563205330.png - 781ae2601394714c9767117949281608584fc7626ce39cbac1d7a07123726d6e
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://netcdn.xyz/app/431946152/jailbreak-roblox-hack-game-hack
• http://en.leechan.com.cn/Public/upload/editorfiles/minecraft-online-free-download_GM479516143.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/get-free-robux-no-human-verification_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/coin-master-free-spins-promo-code_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/roblox-gift-card-online-free_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/how-do-i-get-free-robux-on-roblox_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-roblox-card_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/50-000-free-spins-coin-master_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/coin-master-unlimited-spins_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-robux-meme_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/how-to-get-free-robux-games_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-robux-no-survey_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-robux-with-no-verification_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/get-free-robux-now_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/coin-master-free-spins-without-human-verification_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-exploits-for-roblox_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/roblox-www-com_GM431946152.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/minecraft-apk-free-download_GM479516143.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/coin-master-apk-hack-35-8_GM406889139.pdf
• http://en.leechan.com.cn/Public/upload/editorfiles/free-coin-master-spins-and-coins_GM406889139.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/gsr1.crl

Embedded domains

• netcdn.xyz
• en.leechan.com.cn

Embedded IP addresses

• 20.42.179.192
• 172.172.255.218
• 4.150.223.99
• 52.110.12.45
• 52.110.12.16
• 20.165.94.63
• 52.230.59.222
• 135.233.95.135
• 4.150.223.104
• 4.230.171.124
• 20.112.250.133
• 52.123.128.14
• 74.178.232.29
• 92.223.78.30
• 52.123.129.14
• 40.99.134.2
• 142.250.195.99
• 52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report