SUSPICIOUS — normal_5f86fea03154f.pdf
SUSPICIOUS — normal_5f86fea03154f.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b275b6e45780d977227df3c7194def08663c9e5b26126d1157c9bd082761869e - SHA-1:
3bfd06fcd124c811d2dbdf52df5bd76e7e6abaa1 - MD5:
34473b43c5c92d95be6844173e15e428 - ssdeep:
768:d1gGzpDbpfmIqTPkh0NSnTCwZm+DQEAp/l/gFFkHkShR9bcxZR4l:UGFPpyTg0MvFDQDhlNnRl4ZR4l - TLSH:
T184328FF341A3ED4C6A876F836DA621A86059C78D717687B014C86B6CC4BC6FD6F00A61 - Submitted as: normal_5f86fea03154f.pdf
- File type: pdf · Size: 45089 bytes
- Verdict: suspicious (64/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=ingilizce+kelime+ezberleme+kitab%25C4%25B1+pdf, https://site-1042931.mozfiles.com/files/1042931/29530943683.pdf, https://site-1037894.mozfiles.com/files/1037894/nosatikusoxasoxonaj.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9677 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
- ntp.ubuntu.com
- 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
- 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=1787764935&P2=404&P3=2&P4=jnQWJzx86xGyOMcym%2bFyl3dOSTvYAM3gFIaVcc4XBC%2bZ8U%2fSGFLrpX3RGKvk%2fUn3D3le3HA%2b4qBFcihWpj%2byOA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787764971&P2=404&P3=2&P4=dOXQY1yaDrEI9mSNABuBb7uUlsUFcxOZUwvvKXCe6Na3OMCVTvYY6L%2bB6aVsZ6lc8HVdw%2bUOErrMgq5PJ7HKJg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
da2c38f1e30d219cebc1e0120176762a83d2d8e53b5728df3dfd32941c8d7caf - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\078e625207a329fceebb459aced90cf4.png -
0bac8349139e732d7703f3d07783f329d9bcd32afcd0ce4f8a19e9023c138ef7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=ingilizce+kelime+ezberleme+kitab%25C4%25B1+pdf
- https://site-1042931.mozfiles.com/files/1042931/29530943683.pdf
- https://site-1037894.mozfiles.com/files/1037894/nosatikusoxasoxonaj.pdf
- https://site-1043853.mozfiles.com/files/1043853/91513983185.pdf
- https://site-1041483.mozfiles.com/files/1041483/vuganubinigilogoto.pdf
- https://site-1036750.mozfiles.com/files/1036750/74039171510.pdf
- https://site-1036684.mozfiles.com/files/1036684/tuzedobunerus.pdf
- https://site-1042620.mozfiles.com/files/1042620/rixudinapip.pdf
- https://site-1042266.mozfiles.com/files/1042266/57725826027.pdf
- https://uploads.strikinglycdn.com/files/edc8e09c-b8b9-43fb-8d87-b1127c5e5961/28625008461.pdf
- https://uploads.strikinglycdn.com/files/75039753-9410-4034-ad21-d4f8476064da/zedegasarujafazaluzapow.pdf
- https://uploads.strikinglycdn.com/files/c00daf61-c324-4412-9e91-7e5e90b20963/7422278268.pdf
- https://uploads.strikinglycdn.com/files/f3482c87-f075-4c98-8017-daed32389cdb/1989346113.pdf
- https://uploads.strikinglycdn.com/files/e716f809-8c20-4c95-8048-92284f09e9dd/16022544728.pdf
- https://uploads.strikinglycdn.com/files/48233f57-2475-4554-890b-4185488d3c3f/tikidabowud.pdf
- https://uploads.strikinglycdn.com/files/b1fb3720-0d6f-437e-af30-4a995b629725/69988042037.pdf
- https://uploads.strikinglycdn.com/files/8d868e31-d474-4b69-9836-8c54c460988a/47363125067.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
Embedded domains
- cctraff.ru
- site-1042931.mozfiles.com
- site-1037894.mozfiles.com
- site-1043853.mozfiles.com
- site-1041483.mozfiles.com
- site-1036750.mozfiles.com
- site-1036684.mozfiles.com
- site-1042620.mozfiles.com
- site-1042266.mozfiles.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.145.35.110
- 52.123.252.238
- 4.144.132.223
- 52.110.12.47
- 4.230.171.124
- 40.84.85.40
- 135.232.92.137
- 74.179.77.164
- 40.99.133.242
- 52.123.128.14
- 13.69.109.131
- 135.234.160.245
- 74.178.76.44
- 203.26.79.13
- 135.233.45.222
- 48.200.63.27
- 4.150.223.115
- 20.165.94.46
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report