MALICIOUS — coin-master-free-coins-2021_GM406889139.pdf

MALICIOUS — coin-master-free-coins-2021_GM406889139.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 045e9472bda178a37776751746758a7b0fce216e5381c172f6bbb0ea88e58ba5
SHA-1: 132c58b494a279ab1e5f9c0a53ed707438adb569
MD5: 67d8eb9c2ba8c40027cdd8c3bd9f8dd9
ssdeep: 768:Jdqm1D0dRvVAjlmlRDliqZbC0NNe5nus7O2T:nq/NAjCZlhC0N8NusS2T
TLSH: T16B306CF70097CC8CB99A8F0765E6701E608DA784B177E64091EC7B2CE07C6BE6B11621
Submitted as: coin-master-free-coins-2021_GM406889139.pdf
File type: pdf · Size: 35953 bytes
Verdict: malicious (75/100)

Detections (4 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!67D8EB9C2BA8

MITRE ATT&CK

Why this verdict

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

Contacted 18 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/classic-minecraft-net-hacks_GM479516143.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://netcdn.tw/app/406889139/coin-master-free-coins-2021-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/classic-minecraft-net-hacks_GM479516143.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-and-coins-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)

9660 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
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
desktop-hsgcbep
desktop-hsgcbep._dosvc._tcp.local
desktop-hsgcbep(1)._dosvc._tcp.local
_dosvc._tcp.local
desktop-hsgcbep(2)._dosvc._tcp.local
desktop-hsgcbep(3)._dosvc._tcp.local

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\336160eb133e986509c9d2c44c6f689f.png - 9bb90c1a630bd596fc7b15602380cd9e79437459da008868f9427b68c8aa52f0
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - fee89cfabdd0d79667fe47c95a441bb3e8615945f7f2717c01a3705ec6b8e074
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://netcdn.tw/app/406889139/coin-master-free-coins-2021-game-hack
http://www.biochemix.com/uploaded_files/userfiles/files/classic-minecraft-net-hacks_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/wie-kann-man-roblox-hacken_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-launcher-free_GM479516143.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hacks-com_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-tool-no-download-no-survey_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/rbx-claim_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-give-robux-on-mobile_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/unlimited-robux_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-2021_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-easy-robux-codes_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-a-ipad_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/how-many-levels-are-in-coin-master_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/robux-free-robux_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/2021-free-spins-on-coin-master_GM406889139.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-real-working-2021_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/roblox-free-everything_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-sets-suicidegirls-roblox_GM431946152.pdf
http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-gift-card-uk_GM431946152.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.tw
www.biochemix.com

Embedded IP addresses

52.168.117.168
52.123.252.248
52.110.12.50
40.84.85.40
4.230.171.124
74.178.76.44
135.232.92.97
72.153.5.61
203.26.79.13
20.231.239.246
52.123.129.14
52.123.252.213
20.184.175.22
135.233.95.144
52.123.128.14
40.99.134.18
135.234.160.244
172.66.2.5

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report