MALICIOUS — normal_5f87804f5517f.pdf
MALICIOUS — normal_5f87804f5517f.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:
4312a9481f54d07b51abb26772b092a206d7ba982615f715970bea56ef91a82e - SHA-1:
03922e39619a6d06fb28a5b629e3ffabb5eba56f - MD5:
1fe4e0d42c519260500116f7a57067e4 - ssdeep:
768:IgGzpDqpvKhK8sYFVi9YL5NO0N1tCQLLKkQwHVWWN8cvmdBXr29DC/:FGFWp6nUqNfftCriHVWWN8NXMDC/ - TLSH:
T1DE339EF710A7DC8C7A86AF03AEEA215D1049E748617393B45098772DC4BCBBD7E50A20 - Submitted as: normal_5f87804f5517f.pdf
- File type: pdf · Size: 50927 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://uploads.strikinglycdn.com/files/023583ab-4376-4a58-b442-ffcd38d158b2/dexunozexojara.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=who+visited+my+fb+profile+apk+download, https://site-1040124.mozfiles.com/files/1040124/69915435329.pdf, https://site-1038475.mozfiles.com/files/1038475/16933221200.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9853 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.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
- 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
- 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
- 252.0.0.224.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\79a19c71020bc4009b2a84fe91d9a617.png -
710604bd56b8d38ca966d0bad97710b9da65a548a58784a4717344be0c36afb5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0f23299082736ca891ea28499341461ea25e4eb8d047de0e64aa9d324bc0a333 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=who+visited+my+fb+profile+apk+download
- https://site-1040124.mozfiles.com/files/1040124/69915435329.pdf
- https://site-1038475.mozfiles.com/files/1038475/16933221200.pdf
- https://site-1036869.mozfiles.com/files/1036869/vututexire.pdf
- https://site-1040670.mozfiles.com/files/1040670/1044358954.pdf
- https://uploads.strikinglycdn.com/files/ea91bec7-0bee-40e6-9788-9fd3e4bf6b19/73350043193.pdf
- https://uploads.strikinglycdn.com/files/eb7926a3-1460-42ea-82c7-ebe71a29c5fe/80831618300.pdf
- https://uploads.strikinglycdn.com/files/ac36b77c-6897-4526-af56-d4cb71d16387/29586270900.pdf
- https://uploads.strikinglycdn.com/files/48b731f5-7a50-4461-8945-4e3207ecefae/gemenipejix.pdf
- https://uploads.strikinglycdn.com/files/023583ab-4376-4a58-b442-ffcd38d158b2/dexunozexojara.pdf
- https://uploads.strikinglycdn.com/files/7cd2fe95-474d-4a31-908e-f06c614a9d21/31863839206.pdf
- https://uploads.strikinglycdn.com/files/d84a6ea3-d03c-4d19-ba0c-252e576d5307/38369861504.pdf
- https://uploads.strikinglycdn.com/files/4526085b-bd2f-4c41-ad88-c046a2a50036/62605712251.pdf
- https://uploads.strikinglycdn.com/files/066788f5-84ea-4886-8e0f-ddc7b9f90a61/zuretefaze.pdf
- https://uploads.strikinglycdn.com/files/738c42a3-5391-4bfa-9300-73d76d7f348c/giwigoretudasisopi.pdf
- https://site-1039644.mozfiles.com/files/1039644/zifedinomul.pdf
- https://site-1036980.mozfiles.com/files/1036980/32036721149.pdf
- https://site-1044107.mozfiles.com/files/1044107/1187970739.pdf
- https://site-1043933.mozfiles.com/files/1043933/favejetanopog.pdf
- https://site-1039437.mozfiles.com/files/1039437/fugogabapuworogosif.pdf
- https://cdn-cms.f-static.net/uploads/4366339/normal_5f870ec59be10.pdf
- https://cdn-cms.f-static.net/uploads/4365662/normal_5f87040112343.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/
Embedded domains
- cctraff.ru
- site-1040124.mozfiles.com
- site-1038475.mozfiles.com
- site-1036869.mozfiles.com
- site-1040670.mozfiles.com
- uploads.strikinglycdn.com
- site-1039644.mozfiles.com
- site-1036980.mozfiles.com
- site-1044107.mozfiles.com
- site-1043933.mozfiles.com
- site-1039437.mozfiles.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.179.204
- 74.178.76.128
- 172.172.255.217
- 4.150.223.114
- 52.123.252.239
- 52.110.12.25
- 4.230.171.124
- 74.178.240.61
- 4.150.223.106
- 20.236.44.162
- 40.99.133.210
- 52.123.128.14
- 172.178.240.161
- 52.123.252.246
- 72.154.7.111
- 203.26.79.13
- 52.123.252.248
- 74.178.76.44
- 4.209.250.170
- 4.150.223.97
- 20.42.73.25
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report