MALICIOUS — buzegiwabojovima.pdf
MALICIOUS — buzegiwabojovima.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 3 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
cdf902a82d9a92e19d294b023391e29b4a4c3458c5f6be388c5351b707c181a2 - SHA-1:
23ee5627ee97a08cf45b4d4ddab5d3d66e4e93f7 - MD5:
1d034394335b8d94c68c00f4dc3e3238 - ssdeep:
768:ivJgGzpDnee0Bv/PFJfMhi6Ng7ClV3U9HDcv60xBI6CqFVm32XlPWqpd4:lGFbeZki0S5K6dHkuYlPNpd4 - TLSH:
T1D734BFF3B0ABDC883AC6BF139ABA00555009C2C9B272AA5454C977BDC0FC5FD6E21951 - Submitted as: buzegiwabojovima.pdf
- File type: pdf · Size: 53094 bytes
- Verdict: malicious (75/100)
Detections (3 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 75/100 is the fusion of 7 weighted signals:
- Contacted 12 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/a6cd01dc-84cb-4035-af3b-cb3d919c68ed/jibewufevosinasidi.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=android+sdk+root+tool+on+android+phone%252Ftablet, https://uploads.strikinglycdn.com/files/b4bcf44e-f976-49a6-b756-8b2efe360dae/wibeguzu.pdf, https://uploads.strikinglycdn.com/files/96a31aac-d794-46ef-b6af-c4918ecaf420/lelagadibibukezuzixabur.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9692 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- 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?P1=1787376557&P2=404&P3=2&P4=CAkW6Cr7CycF70YX9LsMCrS%2fdvSl6I4b%2bbiGHlIgHcYAsTQNv%2f4hp1vdBJpkTA%2bLmC0pFKfbSZCm%2f5K7YAXasA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.85
- 23.11.37.157
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
68ebe2d8cec9c0482c086e515226dbf64d1c2062aeda1d9d32099b53675b9b0b - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f408148e3288631c66ae259cd482a86f.png -
1dabed726ab25acbcb262fc70550ca1c67421e73474e0e870c62a51c223aee93 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=android+sdk+root+tool+on+android+phone%252Ftablet
- https://uploads.strikinglycdn.com/files/b4bcf44e-f976-49a6-b756-8b2efe360dae/wibeguzu.pdf
- https://uploads.strikinglycdn.com/files/96a31aac-d794-46ef-b6af-c4918ecaf420/lelagadibibukezuzixabur.pdf
- https://uploads.strikinglycdn.com/files/a6cd01dc-84cb-4035-af3b-cb3d919c68ed/jibewufevosinasidi.pdf
- https://site-1036835.mozfiles.com/files/1036835/87786155414.pdf
- https://uploads.strikinglycdn.com/files/53e11348-8042-442b-bf8b-10cdb890f496/46778152773.pdf
- https://uploads.strikinglycdn.com/files/e2f8dce2-f7b3-4ee3-bc2b-3808f054684f/58972614151.pdf
- https://uploads.strikinglycdn.com/files/652bf25a-d42c-499e-bccc-324895147cd4/vusekogegowiw.pdf
- https://uploads.strikinglycdn.com/files/5c70dd65-5c5e-48fc-bc71-26371bdca2bf/40954563218.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?P1=1787376557&P2=404&P3=2&P4=CAkW6Cr7CycF70YX9LsMCrS%2fdvSl6I4b%2bbiGHlIgHcYAsTQNv%2f4hp1vdBJpkTA%2bLmC0pFKfbSZCm%2f5K7YAXasA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- site-1036835.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.247
- 72.153.5.137
- 20.165.94.63
- 135.233.95.135
- 85.210.193.152
- 203.26.79.13
- 4.230.171.124
- 4.144.132.223
- 52.123.252.235
- 74.179.77.204
- 52.123.252.241
- 162.159.36.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report