SUSPICIOUS — sisifuva.pdf
SUSPICIOUS — sisifuva.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it.
Identification
- SHA-256:
722a3b6ab0ead71e4b50ea7fe7650f146f73d52d3d6f8f90d0714388891a07b0 - SHA-1:
ab82ed3d6c285b43fff414729bfc43f732310158 - MD5:
3bc39a8ce9c804e31977a5889c4a6cc4 - ssdeep:
1536:nGFiTnQNNq41EWtfsRerLumJMelRYhO6fYaHbFV//xlJJ:GFiTnw5XV+yLX/s9fD7BR - TLSH:
T12837DFF34457DE4C7E8BAB83ADA610696109D38D6133BAA050D83BADD4FC27D6F11920 - Submitted as: sisifuva.pdf
- File type: pdf · Size: 72489 bytes
- Verdict: suspicious (64/100)
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
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 26 external host(s) at runtime (24 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=audio+amplifier+schematic+pdf, https://uploads.strikinglycdn.com/files/e744cf45-2555-4193-b83b-f4b523f09e79/dotipabuvigi.pdf, https://uploads.strikinglycdn.com/files/4f94802f-17aa-46be-a1fc-9cbad9fe13b0/88705599568.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)
8797 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
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
cd8f498f2dfc61dc9ecc88fcf0cdfe3437533b9356bb8de659280c21a592a21d - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\57df60b8f59de5ff64350a4ad75200e9.png -
6cfd2c7970f353323778c51b06c07cf7c4ec478476f8335602bf1dfb698a65d7
Embedded URLs
- https://cctraff.ru/strik?keyword=audio+amplifier+schematic+pdf
- https://uploads.strikinglycdn.com/files/e744cf45-2555-4193-b83b-f4b523f09e79/dotipabuvigi.pdf
- https://uploads.strikinglycdn.com/files/4f94802f-17aa-46be-a1fc-9cbad9fe13b0/88705599568.pdf
- https://uploads.strikinglycdn.com/files/01f41645-99c2-4b94-86eb-b01b260d2177/45966824584.pdf
- http://files.kosticks.com/uploads/1/3/1/4/131407135/3f25ba.pdf
- http://files.whitehartdesigns.com/uploads/1/3/0/8/130874257/wobekemot_vobuluvaxe_jukebagexozix_kokedinemuf.pdf
- http://savesagud.trivatch.com/uploads/1/3/1/4/131407102/80ff6.pdf
- https://uploads.strikinglycdn.com/files/c929dbc9-82fc-404e-9797-2bb89b5465a5/matoxazewuximopogokuk.pdf
- https://uploads.strikinglycdn.com/files/ad0b99cb-06e9-4187-8a69-56c55d10b833/nadepeponejikuke.pdf
- https://uploads.strikinglycdn.com/files/baafdacf-e31c-4012-9171-f6dfe16d9716/zosedukasisasip.pdf
- https://uploads.strikinglycdn.com/files/d1498767-064a-4803-932a-127e9bad192f/19845011882.pdf
- https://uploads.strikinglycdn.com/files/50ed890f-281d-44c7-919d-5bb599134214/pinegirufo.pdf
- https://site-1036832.mozfiles.com/files/1036832/45734839757.pdf
- https://site-1036805.mozfiles.com/files/1036805/tinaz.pdf
- https://site-1038578.mozfiles.com/files/1038578/lefafivepejajuviworezef.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
- cctraff.ru
- uploads.strikinglycdn.com
- files.kosticks.com
- files.whitehartdesigns.com
- savesagud.trivatch.com
- site-1036832.mozfiles.com
- site-1036805.mozfiles.com
- site-1038578.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.34
- 92.223.78.30
- 4.144.132.114
- 4.230.171.124
- 85.210.193.152
- 4.207.44.64
- 40.84.97.4
- 74.178.76.128
- 135.233.95.135
- 51.105.71.136
- 20.42.73.26
- 20.76.201.171
- 52.123.128.14
- 135.233.45.223
- 52.123.252.213
- 203.26.79.13
- 52.148.114.188
- 172.215.188.225
- 52.110.12.55
- 52.110.12.46
- 4.207.44.74
- 51.116.246.105
- 72.154.7.104
- 135.233.95.80
- 52.110.12.56
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report