MALICIOUS — free-roblox-gift-card-codes-not-used-2021_GM431946152.pdf

MALICIOUS — free-roblox-gift-card-codes-not-used-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: ca07434c60c30eb8b13adb681a729a0bc683b510afc24f9ac7f4deb90a04401b
SHA-1: 12fa67a61c4679d00bcdd9ec7b05c32edc6d72ec
MD5: 2a193cd5a9c5eb16b63d7b9e18a7389d
ssdeep: 768:m7P7ABeAV8+sMLtu8eaj+iTveiiOTl6xcEVW/VhsQb1uP:ZB9VpJumj+sveiDTYxWTb1uP
TLSH: T19D306CF70087DD5C265ADB0359FA645C70CA938461A7EB9091DCBA2CE07D6BDAF20C21
Submitted as: free-roblox-gift-card-codes-not-used-2021_GM431946152.pdf
File type: pdf · Size: 37374 bytes
Verdict: malicious (75/100)

Detections (4 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!2A193CD5A9C5

MITRE ATT&CK

Why this verdict

The malicious score of 75/100 is the fusion of 7 weighted signals:

Contacted 17 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://www.sourcology.com/uploaded_files/userfiles/files/robux-apk_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://netcdn.co/app/431946152/free-roblox-gift-card-codes-not-used-2021-game-hack, http://www.sourcology.com/uploaded_files/userfiles/files/robux-apk_GM431946152.pdf, http://www.sourcology.com/uploaded_files/userfiles/files/how-do-you-get-robux-on-roblox_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
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9668 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
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
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
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

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - c93129ec74408105a8ff91f0f05c3d93591453bea8a7bddc459914b4bbb76c69
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\2e6f58a862ec1c3c2430e7afa0b2c198.png - d5646cd5fcc4e597c11dc10bd7477dbe5143b15f4337dd333d47e544f4ca0727
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://netcdn.co/app/431946152/free-roblox-gift-card-codes-not-used-2021-game-hack
http://www.sourcology.com/uploaded_files/userfiles/files/robux-apk_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/how-do-you-get-robux-on-roblox_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/www-roblox-com-free-robux_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/https-iosgodscom-topic-20218flipmastercoinshack_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/roblox-blotch-shikai-hack-script_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/free-coin-and-spin-for-coin-master_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/minecraft-sign-up-free_GM479516143.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-spin-free_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/60-free-spins-on-coin-master_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/free-coin-master-spins-without-human-verification_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-real-2021_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-real_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/haktuts-coin-master-hack_GM406889139.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/free-promo-codes-roblox-december-2021_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/minecraft-ps4-free_GM479516143.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/how-to-hack-roblox-4-free-robux_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/how-to-do-the-sex-hack-on-roblox-2021_GM431946152.pdf
http://www.sourcology.com/uploaded_files/userfiles/files/free-spin-hack-coin-master-2021_GM406889139.pdf
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

netcdn.co
www.sourcology.com

Embedded IP addresses

20.42.65.88
20.165.94.63
4.247.188.233
52.123.252.216
52.110.12.55
52.110.12.21
4.230.171.124
20.50.201.195
135.233.95.135
74.178.76.128
20.184.175.13
52.123.129.14
40.103.64.242
172.215.188.225
13.69.116.108
203.26.79.13
40.103.64.226

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report