MALICIOUS — raruxuwiv.pdf
MALICIOUS — raruxuwiv.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:
b5b6427e4821f55eeb2a8378454484edfdfc55b0a67caaea9c30d9b2cff68128 - SHA-1:
6a6e04b9057a372dc2b873a7ed4c430b9f193935 - MD5:
b4922ad1f965412c1803f9ad6b97f3fb - ssdeep:
768:UgGzpDVnHQIX1mh/x/Bqsc7xI2cWG68PWdDKxGzC39t4:hGFJnr1mhgxVcWYPWdhO39t4 - TLSH:
T11D309EF321A7DD8CB6CB9B03A6F611596547C3CD612353A049987B3C887C6FC6D10961 - Submitted as: raruxuwiv.pdf
- File type: pdf · Size: 39186 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/9ce17a77-b100-4d99-a92c-f5e0ac2f5fb3/47990394234.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/strik?keyword=business+goals+1+student+s+book+pdf+download, https://uploads.strikinglycdn.com/files/3d050167-b0c5-40b5-a562-2c6528835eeb/nilizugalurifat.pdf, https://uploads.strikinglycdn.com/files/c0847862-5ed6-4adf-a42f-18b9849452c2/jodemeza.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)
9652 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
- 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
- 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
- 255.255.254.169.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
- 251.0.0.224.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- desktop-hsgcbep
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
cf8a9dbb1ee6d33d23887d43cba461e2b2680457d38e2efc7269abba2d6ce4cb - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f29ad1b6941f507b3defd568288d2619.png -
ffac7bad2c3be1cb82976d876cfcbf2ad0f546d232e2f7812e4cdf32260c6ce3 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=business+goals+1+student+s+book+pdf+download
- https://uploads.strikinglycdn.com/files/3d050167-b0c5-40b5-a562-2c6528835eeb/nilizugalurifat.pdf
- https://uploads.strikinglycdn.com/files/c0847862-5ed6-4adf-a42f-18b9849452c2/jodemeza.pdf
- https://uploads.strikinglycdn.com/files/7ebd086c-c3ce-435c-8b05-65525d81cafe/82115069745.pdf
- https://uploads.strikinglycdn.com/files/9ce17a77-b100-4d99-a92c-f5e0ac2f5fb3/47990394234.pdf
- http://newaxo.nakcollection.com/uploads/1/3/1/4/131453150/33e2110ab9.pdf
- https://site-1038868.mozfiles.com/files/1038868/xeduja.pdf
- https://site-1039707.mozfiles.com/files/1039707/93465104814.pdf
- http://xurefoluf.thomfogartypresents.com/uploads/1/3/1/6/131606419/0fcabf6aac99914.pdf
- http://files.babaanddada.com/uploads/1/3/1/0/131070374/19c724edb44b3.pdf
- http://files.gloucestersoccernsw.org/uploads/1/3/0/7/130739742/9860905.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=1787744555&P2=404&P3=2&P4=keiLetZrFB%2bWeteLPGqJrs8HH08BU8ax3vYDzZR%2bKsoUs8SYIFE%2f%2fr%2fAvIXxSDTPFwhUllnKTmq3pwr7C1qVmQ%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=1787744574&P2=404&P3=2&P4=gLRwcrFKwt5vz3bx1WBh0zp1XsYH39yy1wGGhvowI8pN%2fCr4io4wOh%2fQx3hJgV%2bTGVz2w40aRVi5NAuywaWXJA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- newaxo.nakcollection.com
- site-1038868.mozfiles.com
- site-1039707.mozfiles.com
- xurefoluf.thomfogartypresents.com
- files.babaanddada.com
- files.gloucestersoccernsw.org
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.109
- 51.105.71.137
- 135.232.92.137
- 172.172.255.218
- 4.207.44.75
- 74.178.232.29
- 52.110.12.49
- 20.42.179.204
- 4.230.171.124
- 74.178.240.61
- 52.168.117.169
- 20.76.201.171
- 52.123.128.14
- 20.184.175.13
- 74.179.71.159
- 203.26.79.13
- 4.209.250.170
- 20.42.65.91
- 52.123.129.14
- 57.155.101.212
- 4.150.223.110
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report