MALICIOUS — fetum.pdf
MALICIOUS — fetum.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:
6000c576c0bb8af50ed2fb83adb0391f612b4018d67f6fc5700efddc4fdfb54e - SHA-1:
3dc2d14f6900c802bbc04cc26fc393a7d9d3a0e8 - MD5:
8b64e71121d2c276c5ec856aa7917581 - ssdeep:
768:ngGzpDMP5U3Z2lshCXtUNl1LnGAPsoWKAI3Q+VUNJsU9:gGF46fY9Ud7soBdRVksU9 - TLSH:
T1FC318DF351BBEC4C7686EB076DEA15596486DB4C6032A36091883B2DC47C2FE6F50E21 - Submitted as: fetum.pdf
- File type: pdf · Size: 41140 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 17 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/f1eae030-4822-4d23-bd2d-095e10632daf/11176326057.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=mr.+amari+soul+books+pdf, https://site-1036722.mozfiles.com/files/1036722/nelavederomu.pdf, https://site-1037054.mozfiles.com/files/1037054/duzeboravap.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9836 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- _dosvc._tcp.local
- desktop-hsgcbep._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/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=1787764069&P2=404&P3=2&P4=aEhir7aSV2SLN1akM9zoequ0y3A3NBwe8aeRpU%2b4cGxj7grVZ4%2fO0GH0A%2fPqjQy0WS5guSIi4r0w7Mrszq4RHw%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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\3cd0cb507350aed058aa4bbbb8851a74.png -
842ded4ecbbd7d872910a50e4809ddd19456b0ae5dc7d8f73f274adc1865986e - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
083771855e0e7df0a8f0e3a1385dbb3f88e520d02ff1d90180aebf9c60256719 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=mr.+amari+soul+books+pdf
- https://site-1036722.mozfiles.com/files/1036722/nelavederomu.pdf
- https://site-1037054.mozfiles.com/files/1037054/duzeboravap.pdf
- https://site-1036879.mozfiles.com/files/1036879/10123557539.pdf
- https://site-1037177.mozfiles.com/files/1037177/79463935920.pdf
- https://site-1039149.mozfiles.com/files/1039149/91625704821.pdf
- https://site-1037219.mozfiles.com/files/1037219/24064769381.pdf
- https://site-1039428.mozfiles.com/files/1039428/zijekizonoxa.pdf
- https://site-1036764.mozfiles.com/files/1036764/xefaledijenonuzunavipa.pdf
- https://uploads.strikinglycdn.com/files/f1eae030-4822-4d23-bd2d-095e10632daf/11176326057.pdf
- https://uploads.strikinglycdn.com/files/57f0ccd7-d6e2-4d7f-aa72-6c6a4f3defa5/29901015914.pdf
- https://uploads.strikinglycdn.com/files/b2619823-540e-4c38-834f-6bab54e1b97a/tazefubi.pdf
- https://uploads.strikinglycdn.com/files/bd035986-1d7f-4f0d-b216-b1b64c82c42a/88794418849.pdf
- https://uploads.strikinglycdn.com/files/430ade69-f553-458b-b8b7-ed7ae26e6088/26633542795.pdf
- https://uploads.strikinglycdn.com/files/656a04fb-3301-4265-a333-7ed7f40b4f11/vakidanuxe.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
Embedded domains
- gettraff.ru
- site-1036722.mozfiles.com
- site-1037054.mozfiles.com
- site-1036879.mozfiles.com
- site-1037177.mozfiles.com
- site-1039149.mozfiles.com
- site-1037219.mozfiles.com
- site-1039428.mozfiles.com
- site-1036764.mozfiles.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 40.79.150.122
- 4.207.44.72
- 4.150.223.98
- 20.247.184.197
- 52.110.12.47
- 52.110.12.49
- 57.155.101.212
- 4.230.171.124
- 4.150.223.103
- 20.236.44.162
- 52.123.128.14
- 135.233.95.144
- 4.150.223.101
- 72.153.5.130
- 203.26.79.13
- 52.123.252.226
- 20.165.94.46
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report