MALICIOUS — bfbb58bba3fce6148c32129c5df4468c45515236f3cd407f9a9815c91fae58a6
MALICIOUS — bfbb58bba3fce6148c32129c5df4468c45515236f3cd407f9a9815c91fae58a6 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
bfbb58bba3fce6148c32129c5df4468c45515236f3cd407f9a9815c91fae58a6 - SHA-1:
57106ab8e7ceb2eb58e876e8c351550d28412ddc - MD5:
2c27f95ee68f1ca6e1c01ae1ef2e0c2b - ssdeep:
768:5CyxHhDbyXQtVkcluiEzqKyot3hP/4BBIWqjdMwEGRrq:wy9hDOXQt6QSP/4DIWuvEG9q - TLSH:
T14B328EF761ABCD0C264A8F03ADF6219D55C9C2887122DE5495D83A3CC46D7EEAB00A71 - Submitted as: bfbb58bba3fce6148c32129c5df4468c45515236f3cd407f9a9815c91fae58a6
- File type: pdf · Size: 45738 bytes
- Verdict: malicious (97/100)
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!2C27F95EE68F
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 11 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!2C27F95EE68F (rule
PDF/Phish-TWM!2C27F95EE68F) - 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 network infrastructure: https://netcdn.xyz/app/431946152/1-million-robux-game-pass-free-game-hack, http://yogaschooldecypres.be/images/coin-master-cheat-codes-free_GM406889139.pdf, http://yogaschooldecypres.be/images/robux-free-gift-card_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 5 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: 5 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 4620) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1124 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 40.126.14.161
- 20.247.184.197 SG · Singapore · AS8075 Microsoft Corporation
- 52.123.252.194 AU · Sydney · AS8075 Microsoft Corporation
- 23.198.40.44
- 52.110.12.25 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 150.171.27.11
- 72.153.5.96 US · Boydton · AS8075 Microsoft Corporation
- 23.221.133.185
- 192.168.122.107
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/431946152/1-million-robux-game-pass-free-game-hack
- http://yogaschooldecypres.be/images/coin-master-cheat-codes-free_GM406889139.pdf
- http://yogaschooldecypres.be/images/robux-free-gift-card_GM431946152.pdf
- http://yogaschooldecypres.be/images/minecraft-linux-free_GM479516143.pdf
- http://yogaschooldecypres.be/images/20210-free-spin-links-for-coin-master_GM406889139.pdf
- http://yogaschooldecypres.be/images/get-free-gold-cards-in-coin-master_GM406889139.pdf
- http://yogaschooldecypres.be/images/how-to-get-roblox-premium-for-free-2021_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-robux-quiz_GM431946152.pdf
- http://yogaschooldecypres.be/images/how-do-u-get-free-robux-2021_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-robux-com-no-verification_GM431946152.pdf
- http://yogaschooldecypres.be/images/hacker-minecraft-song_GM479516143.pdf
- http://yogaschooldecypres.be/images/easy-robux-generator_GM431946152.pdf
- http://yogaschooldecypres.be/images/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdf
- http://yogaschooldecypres.be/images/free-robux-only-1-step_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-spins-link-in-coin-master-2021_GM406889139.pdf
- http://yogaschooldecypres.be/images/free-robux-scams_GM431946152.pdf
- http://yogaschooldecypres.be/images/easy-how-to-get-free-robux_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-spins-coin-master-hack-2021_GM406889139.pdf
- http://yogaschooldecypres.be/images/games-that-give-you-free-robux_GM431946152.pdf
- http://yogaschooldecypres.be/images/como-sacar-buen-puntaje-en-juego-coin-master-free-spins_GM406889139.pdf
- http://yogaschooldecypres.be/images/free-roblox-money_GM431946152.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- netcdn.xyz
- yogaschooldecypres.be
Embedded IP addresses
- 20.247.184.197
- 52.123.252.194
- 52.110.12.25
- 4.230.171.124
- 72.153.5.96
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report