SUSPICIOUS — free-robux-come_GM431946152.pdf

SUSPICIOUS — free-robux-come_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: a5ee44ddcf5f5566033dd91acb4863e721d1d594030be6b2f50905939f0ae70d
• SHA-1: 47afe2ca1fa1b68477023efe8896c9de6d3d6640
• MD5: c17b31b238752f2074deb1e4cacc10b1
• ssdeep: 768:B/e9/53uP/sbbOcmhWNqJt/bPE7ikoow3kHNtB2JSY9KXmpt9:EL3uPmOThWNit/bPWiiw3Rt9K2pt9
• TLSH: T184306CF36087CD5C798E9F43A97610EDB4DEE38462239A51D18C376C80BC6BE5B40662
• Submitted as: free-robux-come_GM431946152.pdf
• File type: pdf · Size: 35806 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!C17B31B23875
• 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: http://netcdn.tw/app/431946152/free-robux-come-game-hack, http://balitgetas.co.id/pustaka/repository/free-roblox-clothes-and-hair_GM431946152.pdf, http://balitgetas.co.id/pustaka/repository/minecraft-online-free-no-download_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 16 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)

9686 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
• 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
• 250.255.255.239.in-addr.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
• 252.0.0.224.in-addr.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
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 192.168.122.105

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7647aea202c4ceb5bcea61efe20af08f.png - 62926e2a3a2a130932d3635b07329286d7ced97a5f2fb193cc306cd2f9d5b12b
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - cbfb4aba476328f7d9d212b88d17cd8852c7a9ca23c5f87a5268c4c46e524fee
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.tw/app/431946152/free-robux-come-game-hack
• http://balitgetas.co.id/pustaka/repository/free-roblox-clothes-and-hair_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/minecraft-online-free-no-download_GM479516143.pdf
• http://balitgetas.co.id/pustaka/repository/robux-free-co_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/minecraft-free-apk-java-edition_GM479516143.pdf
• http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux-real-2021_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/how-to-hack-roblox-robux-using-cheat-engine_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/today-free-spin-coin-master_GM406889139.pdf
• http://balitgetas.co.id/pustaka/repository/can-i-get-free-robux_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/roblox-jailbreak-hack-download-easy_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/roblox-arsenal-hack_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/how-to-hack-into-roblox-scam-bots_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/roblox-hacks-2021-cheats-exploits_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/free-roblox-games-you-can-play_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/coin-master-hack-without-human-verification_GM406889139.pdf
• http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/daily-coin-master-free-spin-link_GM406889139.pdf
• http://balitgetas.co.id/pustaka/repository/roblox-free-name-change-hack_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/free-robux-with-no-survey_GM431946152.pdf
• http://balitgetas.co.id/pustaka/repository/coin-master-free-2021-spin-link-today_GM406889139.pdf
• http://balitgetas.co.id/pustaka/repository/free-bobux_GM431946152.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• netcdn.tw
• balitgetas.co.id

Embedded IP addresses

• 20.184.175.16
• 172.172.255.217
• 74.178.240.61
• 20.247.184.142
• 20.42.179.192
• 4.230.171.124
• 52.123.252.197
• 135.234.160.246
• 72.154.7.99
• 20.76.201.171
• 52.123.252.236
• 52.123.128.14
• 52.123.252.215
• 52.148.114.188
• 162.159.36.2
• 203.26.79.13

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report