MALICIOUS — normal_5f86f94b367b9.pdf
MALICIOUS — normal_5f86f94b367b9.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e49012e785376dd54eb2ce3225c91c9378e41e80ccada75ff83511709dc4b7fe - SHA-1:
8f40533f688377ddad8bf30a541b85a12dd01221 - MD5:
68acf04b5822102b26d1d6229b099b1a - ssdeep:
768:LgGzpDre7tlWOlMNCKxY3ti4a+eAaklvD0DHw6e0CG32METdwkMOc/lodfYQflRm:0GFnenW5xoi4aOIxD321d19dfhlVrTyT - TLSH:
T1B8328DF3606BDC4C7A879B0769B62418614AEF4C6133AA6445C87B3CC8BC2FD6F54A50 - Submitted as: normal_5f86f94b367b9.pdf
- File type: pdf · Size: 46143 bytes
- Verdict: malicious (84/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366024/normal_5f86f66d5652a.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=6th+grade+daily+math+practice+pdf, https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f83be9674.pdf, https://cdn-cms.f-static.net/uploads/4365589/normal_5f86f46cd35ba.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)
9717 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 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
- 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\343f736e4ee9098ac105aae701c1bbf1.png -
7c04d0951f9ccf60a65860d7e3c795ed982239eaa8f934aa01c8aa32863612d5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
daa55fcf724f94db8924f2518bc7a7f1544b9ef332fe65918c23def4f4c44662 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=6th+grade+daily+math+practice+pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f83be9674.pdf
- https://cdn-cms.f-static.net/uploads/4365589/normal_5f86f46cd35ba.pdf
- https://cdn-cms.f-static.net/uploads/4365619/normal_5f86f86516bc1.pdf
- https://cdn-cms.f-static.net/uploads/4366024/normal_5f86f66d5652a.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f86f635e6b88.pdf
- https://cdn-cms.f-static.net/uploads/4365599/normal_5f86f4c8748f8.pdf
- https://cdn-cms.f-static.net/uploads/4365546/normal_5f86f46d66ebc.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f87e271da.pdf
- https://uploads.strikinglycdn.com/files/b4ad4e81-bcc7-47d6-9588-2af1dc1f7fb6/89043346008.pdf
- https://uploads.strikinglycdn.com/files/924e0c17-2bcd-46e8-a296-b721f59e407f/sazubamasasotobisofufofaw.pdf
- https://uploads.strikinglycdn.com/files/d7ecd1ee-8b39-44c0-8940-61a1dd18fd1c/22348355443.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=1787739834&P2=404&P3=2&P4=GsJmiD1PhK%2fgEw2hNLIZMWeYIn5R%2bpgC8A%2f44dkI4XVpnColGTKqYE8rLvOb3gc6vFCuu%2bHMyHcBFvFSky8ysg%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=1787739857&P2=404&P3=2&P4=Tcd%2byqHhN9EWe4PYi1ort7a%2bly4auFz%2bEkv6aUHj9tmIbxEe3Bx1LmZID0WPHZfMeSkN6VmxvBfJ6QaN9RqduA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ggtraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 52.123.128.14
- 20.42.65.90
- 20.165.94.46
- 52.110.12.47
- 4.230.171.124
- 72.154.7.96
- 203.26.79.13
- 74.178.240.61
- 135.232.92.97
- 40.103.64.226
- 92.223.78.30
- 104.46.162.230
- 48.199.12.1
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report