SUSPICIOUS — 33543419675.pdf
SUSPICIOUS — 33543419675.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
0e5eab9585377cee9e4164b623326ec72515e5288089f47a83b200a91edabcb6 - SHA-1:
339ae6cc7ca5398bd9bc0c8d6a14a8286dc956ec - MD5:
9649fb1ac5b361335e054ffb1987e749 - ssdeep:
768:3gGzpDf3gghlJmyTrkZPnE4V065XrvR+bVRLbk06xTuC:QGFjjVXkZE4V065XrvyV6xTx - TLSH:
T1CE31AEF380A6ED4CB6466B076EE20019918AD38D7136A3B449957F3DD0BC6BDBF50821 - Submitted as: 33543419675.pdf
- File type: pdf · Size: 40662 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=fistula+rectal+pdf, https://site-1037106.mozfiles.com/files/1037106/4726087302.pdf, https://site-1036695.mozfiles.com/files/1036695/nukemexarexet.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9715 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
- 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=1787780897&P2=404&P3=2&P4=fZdqpBnW3dEbajOE1cSfOzSBZOWKfaT%2bglTGQzRBbhesIOnRaD9hkR2i6CNz%2f3pVOP3rlB%2fDGN%2bjk8ft8mV8%2bQ%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=1787780941&P2=404&P3=2&P4=ITHOq4y7ihsf0skRIQI0TB93vlJCfdUFtMWyA5A6KahGPfwg%2fycqLPp%2blWgjYaOGlWpNFND3V2t9%2bhJKpPJ4Dw%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
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ac2f00c386e8ea645913392852be349f.png -
4d1053275d666ec07de9147a90ba7a56df1372e9e33707519db5c62d92d11956 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
7b3236ac852787d5606096312d957738cee047d23fce020ba5c75e448da68114 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=fistula+rectal+pdf
- https://site-1037106.mozfiles.com/files/1037106/4726087302.pdf
- https://site-1036695.mozfiles.com/files/1036695/nukemexarexet.pdf
- https://site-1036745.mozfiles.com/files/1036745/wexajodobe.pdf
- https://site-1037044.mozfiles.com/files/1037044/59262510815.pdf
- https://site-1036812.mozfiles.com/files/1036812/kutizusum.pdf
- https://site-1036855.mozfiles.com/files/1036855/78561374668.pdf
- https://site-1037028.mozfiles.com/files/1037028/favugupirisubos.pdf
- https://site-1036803.mozfiles.com/files/1036803/34910031598.pdf
- https://site-1037096.mozfiles.com/files/1037096/21574597501.pdf
- https://site-1036681.mozfiles.com/files/1036681/kaxip.pdf
- https://site-1037071.mozfiles.com/files/1037071/2939559299.pdf
- https://site-1036996.mozfiles.com/files/1036996/55878200626.pdf
- https://site-1037177.mozfiles.com/files/1037177/86442988508.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=1787780897&P2=404&P3=2&P4=fZdqpBnW3dEbajOE1cSfOzSBZOWKfaT%2bglTGQzRBbhesIOnRaD9hkR2i6CNz%2f3pVOP3rlB%2fDGN%2bjk8ft8mV8%2bQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- site-1037106.mozfiles.com
- site-1036695.mozfiles.com
- site-1036745.mozfiles.com
- site-1037044.mozfiles.com
- site-1036812.mozfiles.com
- site-1036855.mozfiles.com
- site-1037028.mozfiles.com
- site-1036803.mozfiles.com
- site-1037096.mozfiles.com
- site-1036681.mozfiles.com
- site-1037071.mozfiles.com
- site-1036996.mozfiles.com
- site-1037177.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.18
- 52.110.12.20
- 4.230.171.124
- 4.144.132.114
- 52.182.141.63
- 20.165.94.54
- 74.179.77.204
- 40.99.134.18
- 52.123.128.14
- 40.99.133.210
- 52.123.252.225
- 72.153.5.130
- 203.26.79.13
- 52.123.252.197
- 172.215.188.232
- 4.150.223.100
- 172.170.180.133
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report