MALICIOUS — rexadasigukoriwazomukup.pdf
MALICIOUS — rexadasigukoriwazomukup.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4235417c14b54dab6bf52a43a2e13fdaee8bd74401df483e6dfa6e837f7c7144 - SHA-1:
ce07e3773c25fe2805133ae7d4d38fc1bceff9e0 - MD5:
970efe5903495ebed5e64539c5fd6d72 - ssdeep:
768:FgGzpD6RX6+woocO9qHqhceZm/G3WLSAlf0j1I:WGF0UZkHqhceZmOkSAlf0j1I - TLSH:
T1462F8CF355ABDD4C79C7BB13A8B61858514AC7886237976014CC777EC8BC2BDAE408A0 - Submitted as: rexadasigukoriwazomukup.pdf
- File type: pdf · Size: 34053 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 22 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/df8de3e2-d1f6-4673-bb84-ebf972a67cf7/jofuvukelasunigupakot.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=laputa+castle+in+the+sky+piano+sheet+music+pdf, https://uploads.strikinglycdn.com/files/df8de3e2-d1f6-4673-bb84-ebf972a67cf7/jofuvukelasunigupakot.pdf, https://uploads.strikinglycdn.com/files/efebe32f-174d-4c6c-9b41-de753a25050b/vizatazapitetegeno.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)
9649 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
- c.pki.goog
- 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
- 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
- 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
da804deba339b984368deaa07349e86cd2d821ef20d0192ee3e5f6a314f39e32 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ceb219a2570deb6e49f575f0f09121af.png -
733b8bac6a806cf980cbb6a7698e16a7fcd0e7e5fb49c981cb00e0c5979383ec - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=laputa+castle+in+the+sky+piano+sheet+music+pdf
- https://uploads.strikinglycdn.com/files/df8de3e2-d1f6-4673-bb84-ebf972a67cf7/jofuvukelasunigupakot.pdf
- https://uploads.strikinglycdn.com/files/efebe32f-174d-4c6c-9b41-de753a25050b/vizatazapitetegeno.pdf
- https://uploads.strikinglycdn.com/files/ba96ec70-2f1a-4043-9331-87386d065c41/36970000177.pdf
- https://uploads.strikinglycdn.com/files/ecdc8548-2017-4855-a82f-9ee50cfd8b3a/94198958887.pdf
- https://site-1039618.mozfiles.com/files/1039618/zenagoxujubikasari.pdf
- https://site-1037175.mozfiles.com/files/1037175/49249042951.pdf
- https://site-1036818.mozfiles.com/files/1036818/kufoviwomopivipijezufa.pdf
- https://uploads.strikinglycdn.com/files/5425e07b-bb02-4581-b9f6-90d583eed392/92421139321.pdf
- https://uploads.strikinglycdn.com/files/d05346c7-27ba-44e7-a9fc-8a690e646be3/14155468622.pdf
- https://uploads.strikinglycdn.com/files/96076f9a-dd07-497c-8f9e-d02385949638/10150861029.pdf
- https://uploads.strikinglycdn.com/files/b7b0c216-d3e0-46e4-8281-6d855f507659/45853329830.pdf
- https://uploads.strikinglycdn.com/files/6ba386a3-2f8b-473f-81dd-c5166218a616/45698517943.pdf
- http://ribud.stopittop.com/uploads/1/3/1/3/131378814/7227200.pdf
- http://files.movewithlife.net/uploads/1/3/2/3/132302919/1aeedcb5a2.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
- gettraff.ru
- uploads.strikinglycdn.com
- site-1039618.mozfiles.com
- site-1037175.mozfiles.com
- site-1036818.mozfiles.com
- ribud.stopittop.com
- files.movewithlife.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 85.210.193.152
- 4.150.223.97
- 52.168.117.168
- 57.154.63.210
- 52.110.12.8
- 52.250.34.200
- 4.230.171.124
- 74.178.76.128
- 4.207.44.77
- 52.123.252.247
- 20.236.44.162
- 74.179.71.159
- 52.123.129.14
- 40.99.134.18
- 203.26.79.13
- 85.210.196.11
- 135.232.92.137
- 135.233.45.222
- 142.250.195.227
- 20.184.175.19
- 4.209.250.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report