MALICIOUS — buwizofunenibanegijedafij.pdf
MALICIOUS — buwizofunenibanegijedafij.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0b8942771cf2d91d77feb7745c3edcde049cbd9c6bf1cee6cfced74901182804 - SHA-1:
6ca606ffa4b3727a4850c2d8364d56a0cc28d1ce - MD5:
d5dfafef8ab92a1af179c94c6e68b91b - ssdeep:
768:HgGzpDgUa4FvHzqwPOx2qRA6i7+wszSJRlK7f8J0civKp/kMdyKJ:AGFEOFvAwAzSJRlKoNpZd7J - TLSH:
T16F339DF3A1A7ED4C358AEB036EE6145DA159D2881072E364988D377DC47C37CAE41E60 - Submitted as: buwizofunenibanegijedafij.pdf
- File type: pdf · Size: 49493 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/c2f78a73-024b-4540-b44d-ddc4c5c46cc0/bagozizofusikolonagukizon.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=electrical+apprenticeship+interview+questions+and+answers+pdf, https://cdn.shopify.com/s/files/1/0436/5497/1557/files/8830864991.pdf, https://cdn.shopify.com/s/files/1/0431/7223/3380/files/fatca_reporting_1_ffi.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9721 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 250.255.255.239.in-addr.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c6bdf55bc20ebdbd4ff305d85fa369d67f73564578e04b7fd41d0923b9ecb64e - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b5aaeebfa2ced3eec5fe4eab4360b0a7.png -
8ce79f6de63403e2746f8f6c74aa399ce1e0b9dcdc2e8d9aed6f6330f0c4d1ff - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=electrical+apprenticeship+interview+questions+and+answers+pdf
- https://cdn.shopify.com/s/files/1/0436/5497/1557/files/8830864991.pdf
- https://cdn.shopify.com/s/files/1/0431/7223/3380/files/fatca_reporting_1_ffi.pdf
- https://cdn.shopify.com/s/files/1/0435/4329/8207/files/sadekozuxafomazedumo.pdf
- https://uploads.strikinglycdn.com/files/c2f78a73-024b-4540-b44d-ddc4c5c46cc0/bagozizofusikolonagukizon.pdf
- https://uploads.strikinglycdn.com/files/1f16810f-a9ab-426c-ba9e-d9520b7831a1/85001519620.pdf
- https://uploads.strikinglycdn.com/files/b2270a8d-ff5f-44b8-b80e-5f6ddb6923a2/nawazusujijokiju.pdf
- https://uploads.strikinglycdn.com/files/b5fc7141-53b8-458b-b819-8158bf2c8f94/90167108150.pdf
- https://uploads.strikinglycdn.com/files/2d7310b2-67eb-4abc-9d4f-88d7361bb499/febamasajog.pdf
- https://uploads.strikinglycdn.com/files/93097eb2-6ed9-4c68-9fa3-df5a2db041ec/nebadonidebiwikugav.pdf
- https://site-1036693.mozfiles.com/files/1036693/34332569523.pdf
- https://site-1037178.mozfiles.com/files/1037178/93300713261.pdf
- https://site-1036991.mozfiles.com/files/1036991/tefodebeg.pdf
- https://site-1037082.mozfiles.com/files/1037082/xeris.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787765484&P2=404&P3=2&P4=gKjYtkyt9r7IVztm6Bi%2bhcN17Er2nqLlavv4I9PPDUJK4c0gVTzHTsQNVdFMre48xKt3V7fqHUfOh4cY1ZhPCg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- cdn.shopify.com
- uploads.strikinglycdn.com
- site-1036693.mozfiles.com
- site-1037178.mozfiles.com
- site-1036991.mozfiles.com
- site-1037082.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 52.123.252.193
- 52.110.12.47
- 162.159.142.9
- 52.110.12.2
- 4.230.171.124
- 20.247.185.124
- 74.178.76.128
- 74.178.240.51
- 52.123.129.14
- 135.234.160.245
- 52.123.252.213
- 203.26.79.13
- 52.123.252.248
- 48.199.12.1
- 4.207.44.75
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report