MALICIOUS — hack-de-robux-para-roblox-2021_GM431946152.pdf

MALICIOUS — hack-de-robux-para-roblox-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 5 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 82ce49082500942f45f905bbf32d0b306019b4faa8cfbb11b79e1ff53a47503d
SHA-1: 52a0823a9af4e91beab40946826239ec95f5c0ab
MD5: 2da82aa387e1973dc0365e134936a405
ssdeep: 768:FqUK35HuspPCvtHYxbFvdLIDttNOxPCR4xw:FNK3bPbxbF1YtNNSxw
TLSH: T1BE2F8DF75187CC4C7E87AF039AB71419B489E7946062DA9055D8376DD03C2EEEF00922
Submitted as: hack-de-robux-para-roblox-2021_GM431946152.pdf
File type: pdf · Size: 35718 bytes
Verdict: malicious (86/100)

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!2DA82AA387E1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 86/100 is the fusion of 7 weighted signals:

Embedded link rated malicious by URL analysis: http://library.futureuniversity.com/repository/free-spins-on-coin-master-without-human-verification_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
Contacted 17 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: http://netcdn.co/app/431946152/hack-de-robux-para-roblox-2021-game-hack, http://library.futureuniversity.com/repository/free-account-roblox-with-robux_GM431946152.pdf, http://library.futureuniversity.com/repository/how-to-get-free-coins-in-coin-master_GM406889139.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)

9721 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
ntp.ubuntu.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
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
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
250.255.255.239.in-addr.arpa
desktop-hsgcbep
79.243.254.169.in-addr.arpa
255.255.254.169.in-addr.arpa
http://www.msftconnecttest.com/connecttest.txt

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b94de7b5d84bfb55b79be9c3790226fa.png - 0295987647b86b06a3bd4a67494373f592b308a8abdc266ee6fd4f62c3599f62
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 867d892a210804243afac46d0e5e8b0a72b459e694b776701ebc7f41b2cf9d47
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://netcdn.co/app/431946152/hack-de-robux-para-roblox-2021-game-hack
http://library.futureuniversity.com/repository/free-account-roblox-with-robux_GM431946152.pdf
http://library.futureuniversity.com/repository/how-to-get-free-coins-in-coin-master_GM406889139.pdf
http://library.futureuniversity.com/repository/free-spins-on-coin-master-without-human-verification_GM406889139.pdf
http://library.futureuniversity.com/repository/how-to-change-roblox-username-for-free_GM431946152.pdf
http://library.futureuniversity.com/repository/download-coin-master-hack_GM406889139.pdf
http://library.futureuniversity.com/repository/free-robux-2021-july_GM431946152.pdf
http://library.futureuniversity.com/repository/coin-master-free-spins-link-2021-iphone_GM406889139.pdf
http://library.futureuniversity.com/repository/free-gold-cards-coin-master_GM406889139.pdf
http://library.futureuniversity.com/repository/coin-master-blogspot-links_GM406889139.pdf
http://library.futureuniversity.com/repository/minecraft-bedrock-download_GM479516143.pdf
http://library.futureuniversity.com/repository/roblox-hacker-skin-transparent_GM431946152.pdf
http://library.futureuniversity.com/repository/free-coins-on-coin-master-without-verification_GM406889139.pdf
http://library.futureuniversity.com/repository/roblox-explorer-hack_GM431946152.pdf
http://library.futureuniversity.com/repository/coin-master-free-spins-moonactive_GM406889139.pdf
http://library.futureuniversity.com/repository/free-robux-websites-that-work_GM431946152.pdf
http://library.futureuniversity.com/repository/free-promo-codes-roblox-free-robux_GM431946152.pdf
http://library.futureuniversity.com/repository/free-script-codes-for-roblox-script-showcase_GM431946152.pdf
http://library.futureuniversity.com/repository/is-minecraft-free-on-xbox_GM479516143.pdf
http://library.futureuniversity.com/repository/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdf
http://library.futureuniversity.com/repository/how-to-send-free-spins-on-coin-master_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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

netcdn.co
library.futureuniversity.com
i.it

Embedded IP addresses

74.179.71.159
172.172.255.218
4.150.223.101
52.110.12.2
52.110.12.51
4.230.171.124
4.247.188.233
184.84.165.171
74.178.240.61
20.165.94.54
52.123.129.14
20.165.94.63
203.26.79.13
135.234.160.246
92.223.78.30
4.150.223.98
52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report