MALICIOUS — fofuzobimu.pdf
MALICIOUS — fofuzobimu.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:
02a65796f5f32077bab5dc1e7ead800a9268dcfffa79ee7f32be51d015c4ab40 - SHA-1:
5b35a58f375533b4f7ec48ae94df9ab6baf932a5 - MD5:
893acc9a77f3ca525a6a192d9ec3bbd2 - ssdeep:
1536:NGFqJzPyQOv3eiHAjk7hDVPd97BhmTZjGDt3JnlAZVbs7ZaUR:QFqLsOiHAmdVQIDR5yZAZd - TLSH:
T12F39E0F3002BEE8C6E9A6B439DB51054B56BD3885137A6B444D9B37C81F83FD6E40862 - Submitted as: fofuzobimu.pdf
- File type: pdf · Size: 86469 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 (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/01ea0bea-575a-4c01-a1a1-d71aa70300bf/29644514378.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=gina+asthma+guidelines+2015+pdf, https://uploads.strikinglycdn.com/files/01ea0bea-575a-4c01-a1a1-d71aa70300bf/29644514378.pdf, https://uploads.strikinglycdn.com/files/85a2529e-3834-4402-838a-ea69333c1a88/nuwagusasiwowumadafososo.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9915 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
- 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
- 252.0.0.224.in-addr.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
- ntp.ubuntu.com
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1543929aa9223b785caa32d5ccfe7a18.png -
9be5a9cd0655556c04c71f8e5168e0b7ba3100016ded68f64f90b29d7083ed3d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
8db49a81e90248956a60e0c08814999d731ddfceaacb8541ed7b24a5d1468c95 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=gina+asthma+guidelines+2015+pdf
- https://uploads.strikinglycdn.com/files/01ea0bea-575a-4c01-a1a1-d71aa70300bf/29644514378.pdf
- https://uploads.strikinglycdn.com/files/85a2529e-3834-4402-838a-ea69333c1a88/nuwagusasiwowumadafososo.pdf
- https://uploads.strikinglycdn.com/files/b19913ed-6861-4a8e-b975-3b05def6b2af/movona.pdf
- https://uploads.strikinglycdn.com/files/14260e8b-308e-464b-b80d-e4fec349bd55/4967219606.pdf
- https://cdn.shopify.com/s/files/1/0437/2358/7733/files/53014292754.pdf
- https://cdn.shopify.com/s/files/1/0434/2746/3324/files/11250175755.pdf
- https://site-1036977.mozfiles.com/files/1036977/gujuv.pdf
- https://site-1037079.mozfiles.com/files/1037079/14237547312.pdf
- https://site-1037829.mozfiles.com/files/1037829/zanijidijavapulitobo.pdf
- https://site-1036840.mozfiles.com/files/1036840/doxiruwemoxoxabixamavawi.pdf
- https://site-1037113.mozfiles.com/files/1037113/pigalivutomisunivuj.pdf
- https://site-1036729.mozfiles.com/files/1036729/83596899711.pdf
- https://site-1037233.mozfiles.com/files/1037233/sidegatitubotikukafumo.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=1787756328&P2=404&P3=2&P4=Dw38kxSxQejkrTxBmFEXCfk58fhPcdeh%2bRShfpP0aQD7o510Rbn8gIfV0JZWC7eBTHrGtQIEuSFtm3UoDNUiUw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1036977.mozfiles.com
- site-1037079.mozfiles.com
- site-1037829.mozfiles.com
- site-1036840.mozfiles.com
- site-1037113.mozfiles.com
- site-1036729.mozfiles.com
- site-1037233.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.20
- 52.110.12.45
- 4.230.171.124
- 72.145.35.107
- 4.155.95.136
- 203.26.79.13
- 51.132.193.104
- 20.231.239.246
- 40.104.4.2
- 74.178.76.128
- 52.123.129.14
- 40.99.133.210
- 135.234.160.245
- 4.150.223.102
- 92.223.78.30
- 172.170.180.133
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report