MALICIOUS — d22b1ab8b6e7a4606023011eddcd8e84a864b88e2e0b21c0540c32f8b4a5389c
MALICIOUS — d22b1ab8b6e7a4606023011eddcd8e84a864b88e2e0b21c0540c32f8b4a5389c is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
d22b1ab8b6e7a4606023011eddcd8e84a864b88e2e0b21c0540c32f8b4a5389c - SHA-1:
4c5be27d99c9cfcd82c804cff4c0dfd17c587506 - MD5:
3b7aaa0c56149ccbd2b85228c0cc4305 - ssdeep:
768:rSzEFgvdsCMoGJSS3ayzqWFdcjrUuOOzzIACBxhjznY:egFgZGJT30MaUuOOzzIAC7tznY - TLSH:
T11E329DF3605BCD1C698AAF438DF63559248ED39862329A41918877ADC17C6FD3F10A32 - Submitted as: d22b1ab8b6e7a4606023011eddcd8e84a864b88e2e0b21c0540c32f8b4a5389c
- File type: pdf · Size: 46004 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!3B7AAA0C5614
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 10 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!3B7AAA0C5614 (rule
PDF/Phish-TWM!3B7AAA0C5614) - 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 - Contacted 10 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.tw/app/431946152/claimrbx-earn-free-robux-game-hack, http://elibraryfk.unjani.ac.id/fkrepository/repository/coin-master-free-spins-2021_GM406889139.pdf, http://elibraryfk.unjani.ac.id/elibrary/repository/coin-master-free-spins-link-2021-march_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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1041 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/
- 23.40.52.85
- 23.11.37.157
- 20.190.167.20
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.tw/app/431946152/claimrbx-earn-free-robux-game-hack
- http://elibraryfk.unjani.ac.id/fkrepository/repository/coin-master-free-spins-2021_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/coin-master-free-spins-link-2021-march_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/how-to-make-roblox-clothes-for-free_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/coin-master-free-spins-link-facebook_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/how-free-robux-legit_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/free-robux-redeem-codes_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/roblox-to-play-games-for-free_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/free-unlimited-coin-master-400-spin-link_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/coin-master-hack-apk-download_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/free-robux-no-verification-no-download-2021_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/free-roebucks-com_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/coin-master-free-spins-hack-ios_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/minecraft-pe-hacked-client-download_GM479516143.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/more-robux_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/spin-coin-master-hack_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/roblox-jailbreak-admin-hack_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/free-roblox-exploits-that-are-safe-v3rmillion_GM431946152.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/free-spins-for-coin-master-app_GM406889139.pdf
- http://elibraryfk.unjani.ac.id/elibrary/repository/worst-client_GM479516143.pdf
- http://elibraryfk.unjani.ac.id/fkrepository/repository/free-mod-apk-coin-master_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
Embedded domains
- netcdn.tw
- elibraryfk.unjani.ac.id
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 57.154.63.210
- 20.42.179.204
- 20.42.179.192
- 57.155.104.224
- 52.110.12.50
- 4.230.171.124
- 52.253.84.76
- 4.150.223.99
- 74.178.76.128
- 72.145.35.101
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report