SUSPICIOUS — nixilesinakidolo.pdf
SUSPICIOUS — nixilesinakidolo.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
0446bbd02ab846cc29941033c489c9a55886e002b465e1fcb33469bd1525743e - SHA-1:
76b8470eff4173cac0148f63e94ea3c562b289cb - MD5:
7b15c0466d32c940c2d1d43aecd04937 - ssdeep:
768:ybgGzpDqaY0jG9PFUHDsIn5tmlqWAyfTNnBfAgttiR8OS/CIw/:hGFu0tn5tAbBndA98L/CIw/ - TLSH:
T1F932AEF382A7EC5D76879B03ADB600A51188DA8C2232E76095C8677D947C7FDBE50870 - Submitted as: nixilesinakidolo.pdf
- File type: pdf · Size: 45702 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
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=building+cost+estimation+book+pdf, https://site-1036629.mozfiles.com/files/1036629/82978770509.pdf, https://site-1037205.mozfiles.com/files/1037205/rijawulelibefelefosot.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)
9824 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
3aa7dbdf8a9cf891ebb47ee9f585fd151de0495fc978100d3a5b06828da511ea - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4a1efdba5470a4edd4ba256065e5c5ee.png -
237412dd085a39cfd22b6ef4574aa9b69401d3aaeb5826555e25646845d4e6a1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=building+cost+estimation+book+pdf
- https://site-1036629.mozfiles.com/files/1036629/82978770509.pdf
- https://site-1037205.mozfiles.com/files/1037205/rijawulelibefelefosot.pdf
- https://site-1037237.mozfiles.com/files/1037237/70224673457.pdf
- https://site-1037273.mozfiles.com/files/1037273/19192258336.pdf
- https://site-1036799.mozfiles.com/files/1036799/89114203747.pdf
- http://files.hostmaster.ampabages.cat/uploads/1/3/1/1/131164431/ec9dc371a0bfa0d.pdf
- http://files.ourars.org/uploads/1/3/0/8/130814169/6201061.pdf
- http://files.etaldressage.com/uploads/1/3/1/1/131164260/353d0a.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40545468116.pdf
- https://cdn.shopify.com/s/files/1/0428/6060/9692/files/15367526412.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/29867329467.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.pdf
- https://cdn.shopify.com/s/files/1/0476/7118/1478/files/36298977279.pdf
- http://files.arabrams.com/uploads/1/3/1/8/131856919/wukupag.pdf
- http://files.ihbhawaii.com/uploads/1/3/1/4/131437535/fizewurep.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
Embedded domains
- cctraff.ru
- site-1036629.mozfiles.com
- site-1037205.mozfiles.com
- site-1037237.mozfiles.com
- site-1037273.mozfiles.com
- site-1036799.mozfiles.com
- files.ourars.org
- files.etaldressage.com
- cdn.shopify.com
- files.arabrams.com
- files.ihbhawaii.com
- www.w3.org
- purl.org
- ns.adobe.com
- files.hostmaster.ampabages.cat
Embedded IP addresses
- 20.50.73.5
- 172.172.255.218
- 162.159.142.9
- 20.42.179.192
- 52.230.59.222
- 4.230.171.124
- 20.184.175.14
- 74.178.240.51
- 20.76.201.171
- 52.123.128.14
- 74.178.232.29
- 203.26.79.13
- 135.232.92.137
- 172.215.188.232
- 92.223.78.30
- 51.104.15.253
- 13.89.179.15
- 142.251.42.99
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report