MALICIOUS — normal_5f86fa09e0384.pdf
MALICIOUS — normal_5f86fa09e0384.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b496559d1f24a4aa1d1a5320f80a6ad3d18d06bf99ca699ef5d94357f1668863 - SHA-1:
2fb71dcdb55515d519badde607a32d9362bc93e0 - MD5:
77bdf7e3639d42716f57a9de855f7349 - ssdeep:
1536:3GFzenMoHOWolxzaA6nt52l/L85+6GuuBp:WFzeMKolklnTc/45+6Gue - TLSH:
T17434BEF390A7DD4C72876B53BEAA00663446978C60359BA051CD7B2CC4BCBFC6E50A64 - Submitted as: normal_5f86fa09e0384.pdf
- File type: pdf · Size: 54532 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/4366022/normal_5f86f63ed3962.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 28 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=dasar+teori+tegangan+permukaan+pdf, https://cdn-cms.f-static.net/uploads/4365624/normal_5f86f520ca998.pdf, https://cdn-cms.f-static.net/uploads/4365998/normal_5f86f698e8128.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8692 behavior events · 0 ATT&CK techniques · 2 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
ed2aa8723b8b055ba2bcd3ea38d2cf3072dcd3f134e193fce5628ca8561e57eb - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\6a950f23a283e383e801e0989b2ffd33.png -
9fa855f6f67fdfd401cd089a532bd435bb5175de9dc727db6e5fc81aaa7353aa
Embedded URLs
- https://cctraff.ru/123?keyword=dasar+teori+tegangan+permukaan+pdf
- https://cdn-cms.f-static.net/uploads/4365624/normal_5f86f520ca998.pdf
- https://cdn-cms.f-static.net/uploads/4365998/normal_5f86f698e8128.pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f86f9f1ceb62.pdf
- https://cdn-cms.f-static.net/uploads/4365562/normal_5f86f8dc1d4d7.pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f86f63ed3962.pdf
- https://cdn-cms.f-static.net/uploads/4365591/normal_5f86f8555cbbf.pdf
- https://cdn-cms.f-static.net/uploads/4366043/normal_5f86f47ccc754.pdf
- https://cdn-cms.f-static.net/uploads/4366028/normal_5f86f414cc3ac.pdf
- https://cdn-cms.f-static.net/uploads/4365608/normal_5f86f669ed20e.pdf
- https://cdn-cms.f-static.net/uploads/4365661/normal_5f86f6bc8f065.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1515306.pdf
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/sefaritonos-nukivafeka-retisebop-regaxumex.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=1787755442&P2=404&P3=2&P4=lVYIfnSfvMRO1QGHB6iMWgJ9UR3RXQNqyy%2beayxzvRoNHx0%2f6kjX3YB4DpNNvP42xGO1dUJW%2fDIRO8gVRqHciA%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
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- dutitujazekap.weebly.com
- jawasolasazilem.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 203.26.79.13
- 20.184.175.10
- 4.230.171.124
- 72.154.7.99
- 85.210.193.152
- 4.155.94.229
- 135.233.95.144
- 20.184.175.7
- 74.178.240.51
- 20.231.239.246
- 40.104.4.2
- 52.123.129.14
- 52.123.128.14
- 135.234.160.245
- 52.123.252.226
- 20.165.94.46
- 74.179.71.159
- 52.148.114.188
- 48.211.4.16
- 40.84.85.40
- 92.223.78.30
- 72.145.35.99
- 172.178.240.163
- 20.184.175.8
- 20.52.64.200
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report