MALICIOUS — 2ed4c5bfb46eddc248a5f7e88b851a3c40fa50746aaaf79b2cc16a7111bf255d

MALICIOUS — 2ed4c5bfb46eddc248a5f7e88b851a3c40fa50746aaaf79b2cc16a7111bf255d is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 2ed4c5bfb46eddc248a5f7e88b851a3c40fa50746aaaf79b2cc16a7111bf255d
• SHA-1: 5fe20415359201c4446dcba6eb075ec384b7824c
• MD5: f130dafe7da716da85cb029a8eabdbb7
• ssdeep: 768:GBlSzL2xX8/6bAXsdAwdQ8Uy3aJ5vVUAsh+cYXiyGq8:USzL88/6JeOUyWIh+c8ZG3
• TLSH: T10230BFF3915BCD0C554ADB07EBB61055788EA2DDB021CA8814C87A7CC8347BD9A75F22
• Submitted as: 2ed4c5bfb46eddc248a5f7e88b851a3c40fa50746aaaf79b2cc16a7111bf255d
• File type: pdf · Size: 37317 bytes
• Verdict: malicious (96/100)

Detections (4 of 54 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!F130DAFE7DA7

MITRE ATT&CK

• T1105

Why this verdict

The malicious score of 96/100 is the fusion of 9 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!F130DAFE7DA7 (rule PDF/Phish-TWM!F130DAFE7DA7) - engine signal, weight 0.55, confidence 0.85
• Contacted 13 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://netcdn.xyz/app/406889139/free-coin-master-stuff-game-hack, https://www.simplytravel.co.za/images/toolbox-for-minecraft_GM479516143.pdf, https://www.simplytravel.co.za/images/coin-master-levels_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
• Extracted generic config (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

995 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/
• 23.40.52.121
• 23.11.37.157
• 20.190.167.65

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://netcdn.xyz/app/406889139/free-coin-master-stuff-game-hack
• https://www.simplytravel.co.za/images/toolbox-for-minecraft_GM479516143.pdf
• https://www.simplytravel.co.za/images/coin-master-levels_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/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

• netcdn.xyz
• www.simplytravel.co.za
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 52.168.117.171
• 172.215.188.225
• 40.84.85.40
• 85.210.196.11
• 20.42.179.192
• 52.123.252.243
• 52.110.12.24
• 4.230.171.124
• 57.155.104.224
• 52.253.84.76
• 74.179.77.164
• 4.207.44.74
• 74.178.240.61

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report