MALICIOUS — 87e8ae82380576f3167fac0a980d080afbca245b39a04d6a55de073e9620f533
MALICIOUS — 87e8ae82380576f3167fac0a980d080afbca245b39a04d6a55de073e9620f533 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
87e8ae82380576f3167fac0a980d080afbca245b39a04d6a55de073e9620f533 - SHA-1:
338b536f58a92e6bac8cd60456f4133a83fce58b - MD5:
df91172ff9c9883175ce48048c8b3ed9 - ssdeep:
768:CTGGmc/M1AfHvUfnyWkgr2KnbyqKfPLurHQ51tOaJ+C8Cd:CTgP4vU/hd5byqKLuG7Oc9d - TLSH:
T1AF2FAFF3516BCE1C66898F87AFA62069749892DC7162CB0085C9BA7CC4FC1ED6B10572 - Submitted as: 87e8ae82380576f3167fac0a980d080afbca245b39a04d6a55de073e9620f533
- File type: pdf · Size: 34645 bytes
- Verdict: malicious (94/100)
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!DF91172FF9C9
MITRE ATT&CK
Why this verdict
The malicious score of 94/100 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!DF91172FF9C9 (rule
PDF/Phish-TWM!DF91172FF9C9) - 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: http://netcdn.tw/app/431946152/free-robux-hack-2021-game-hack, http://zinicrom.com/images/free-robux-accounts_GM431946152.pdf, http://zinicrom.com/images/free-minecraft-hacks_GM479516143.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 7 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1224 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
- http://203.26.79.13/filestreamingservice//files/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1787997989&P2=404&P3=2&P4=P4yhM9E%2fy77ZiB1mhvqw3YZngc%2fGyIa%2ffkxoceODZ3HyJ7FLvOwkopvO6q0JFIl4Cf%2fTNyLbbCFuV9bzmrL2Ag%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.85
- 23.11.37.157
- 20.190.167.21
- 20.247.184.197 SG · Singapore · AS8075 Microsoft Corporation
- 52.123.252.218 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.178
- 23.198.40.44
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 192.168.122.106
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.tw/app/431946152/free-robux-hack-2021-game-hack
- http://zinicrom.com/images/free-robux-accounts_GM431946152.pdf
- http://zinicrom.com/images/free-minecraft-hacks_GM479516143.pdf
- http://zinicrom.com/images/free-24-7-minecraft-server_GM479516143.pdf
- http://zinicrom.com/images/free-likes-for-tiktok_GM835599320.pdf
- http://zinicrom.com/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- http://zinicrom.com/images/robuxlove-net-free-robux_GM431946152.pdf
- http://zinicrom.com/images/how-to-play-minecraft-for-free_GM479516143.pdf
- http://zinicrom.com/images/free-online-minecraft-server_GM479516143.pdf
- http://zinicrom.com/images/free-minecraft-alts_GM479516143.pdf
- http://zinicrom.com/images/minecraft-for-ipad-free_GM479516143.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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1787997989&P2=404&P3=2&P4=P4yhM9E%2fy77ZiB1mhvqw3YZngc%2fGyIa%2ffkxoceODZ3HyJ7FLvOwkopvO6q0JFIl4Cf%2fTNyLbbCFuV9bzmrL2Ag%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.tw
- zinicrom.com
Embedded IP addresses
- 20.247.184.197
- 52.123.252.218
- 4.230.171.124
- 72.154.7.114
- 203.26.79.13
- 52.123.252.215
- 51.132.193.105
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report