MALICIOUS — b3b1b74fed890ab807dd5f4fb3526c4058f93d0f435af863296c40a0e8add425
MALICIOUS — b3b1b74fed890ab807dd5f4fb3526c4058f93d0f435af863296c40a0e8add425 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 3 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b3b1b74fed890ab807dd5f4fb3526c4058f93d0f435af863296c40a0e8add425 - SHA-1:
4da139d25ed00bd7b232fab708c0f00742be24ec - MD5:
18bdbc2e1b06dfb7bdbbe8378e5f4a4e - ssdeep:
768:pCwiBec2VelhA5dGM8W0YELyF+Y9pI2pVZrIMMmnm6l8pxrV:p42V+W54yVzMmn9l8B - TLSH:
T17230E0C3B4176E0D79DA2B82BC61B3B50808D70E54A4DA19306C17BC84FC9BE1D6761E - Submitted as: b3b1b74fed890ab807dd5f4fb3526c4058f93d0f435af863296c40a0e8add425
- File type: pdf · Size: 36903 bytes
- Verdict: malicious (98/100)
Detections (3 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 16 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: http://centrons.com/uploaded/file/19702068376130301fe1038.pdf, http://abwgulfport.com/uploads/files/mibovewaluromovederibu.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 (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1060 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
- _dosvc._tcp.local
- 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=1788156352&P2=404&P3=2&P4=b2rvuE3PdLg8HnZiLMy%2fsYngTheGKhhFyp4CNnsCYn4nQkj80o9GjwivaLKBo1ZWKDREPko2h%2fsBcqfn0Mjmkg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 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/
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=vakeel+saab+movierulz+watch+online
- http://centrons.com/uploaded/file/19702068376130301fe1038.pdf
- http://abwgulfport.com/uploads/files/mibovewaluromovederibu.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=1788156352&P2=404&P3=2&P4=b2rvuE3PdLg8HnZiLMy%2fsYngTheGKhhFyp4CNnsCYn4nQkj80o9GjwivaLKBo1ZWKDREPko2h%2fsBcqfn0Mjmkg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 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
- feedproxy.google.com
- centrons.com
- abwgulfport.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 72.145.35.97
- 57.155.104.224
- 4.150.223.98
- 57.154.63.210
- 48.211.4.16
- 72.153.5.134
- 52.123.252.224
- 52.110.12.47
- 72.145.35.106
- 4.230.171.124
- 203.26.79.13
- 74.178.76.128
- 4.150.223.111
- 135.232.92.137
- 57.155.101.212
- 20.184.175.20
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report