MALICIOUS — 3d41b175cacafbf0d6194d5e6023e93540b4b99aaee46a5eec33b7eae739112f
MALICIOUS — 3d41b175cacafbf0d6194d5e6023e93540b4b99aaee46a5eec33b7eae739112f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
3d41b175cacafbf0d6194d5e6023e93540b4b99aaee46a5eec33b7eae739112f - SHA-1:
71ce7985acf6aad089a6fa71a43ac5ce59df1b7a - MD5:
014b4899f8e4567a41b44eaf540a5244 - ssdeep:
768:M08IuvFMpLDzqnZQ7q4BLPu5+TyEE7zjHEEu:hcMpfzAQjtPu5+u77PE3 - TLSH:
T15C2F8DF34163DD1C7A8B9B832CB6969964CAD7886333C91095D43A1DC0BC5BFAF105A2 - Submitted as: 3d41b175cacafbf0d6194d5e6023e93540b4b99aaee46a5eec33b7eae739112f
- File type: pdf · Size: 34470 bytes
- Verdict: malicious (98/100)
Detections (5 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!014B4899F8E4
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 12 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!014B4899F8E4 (rule
PDF/Phish-TWM!014B4899F8E4) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded link rated suspicious by URL analysis: http://ycstamping.com.tw/image/data/files/how-to-hack-roblox-passwords_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: http://netcdn.tw/app/406889139/coin-master-heaven-free-spins-link-game-hack, http://ycstamping.com.tw/image/data/files/how-to-hack-roblox-passwords_GM431946152.pdf, http://ycstamping.com.tw/image/data/files/completely-black-shirts-roblox-free_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
- Contacted 8 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
- Memory forensics: 4 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 3280) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
996 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 20.190.142.166
- 20.247.184.142 SG · Singapore · AS8075 Microsoft Corporation
- 52.123.252.234 AU · Sydney · AS8075 Microsoft Corporation
- 23.198.40.44
- 52.110.12.53 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.100
- 57.155.101.212 SG · Singapore · AS8075 Microsoft Limited UK
- 23.221.133.185
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.tw/app/406889139/coin-master-heaven-free-spins-link-game-hack
- http://ycstamping.com.tw/image/data/files/how-to-hack-roblox-passwords_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/completely-black-shirts-roblox-free_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/daily-free-spin-and-coin_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-2021-free-spins-link-2021_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/free-mojang-account-with-minecraft_GM479516143.pdf
- http://ycstamping.com.tw/image/data/files/robuxy-com-free-robux_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-free-spins-and-coins-daily_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-free-spins-cheat-codes_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/free-links-to-coin-master_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/free-coin-master-spin-app_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/how-can-i-play-minecraft-for-free_GM479516143.pdf
- http://ycstamping.com.tw/image/data/files/cheat-engine-bypass-roblox-2021_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/you-promised-my-son-free-robux_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/aimbot-exe-roblox_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/cm-spins_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/free-tiktok-like_GM835599320.pdf
- http://ycstamping.com.tw/image/data/files/roblox-hack-for-robux-no-verification_GM431946152.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-free-cards-link-2021_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-no-download-app-but-play-for-free_GM406889139.pdf
- http://ycstamping.com.tw/image/data/files/coin-master-hack-pc_GM406889139.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- netcdn.tw
- ycstamping.com.tw
Embedded IP addresses
- 172.172.255.217
- 4.150.223.99
- 172.172.255.218
- 20.247.184.142
- 52.123.252.234
- 52.110.12.53
- 4.230.171.124
- 57.155.101.212
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report