SUSPICIOUS — normal_5fa2ffca2b199.pdf
SUSPICIOUS — normal_5fa2ffca2b199.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (56/100). 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
54484d29452df540297f9fb0f853a839aff038d9f594d1acb02e6a4d1cfdda4f - SHA-1:
09a5fa9895f0b687b2fcc193ee66e238def33d85 - MD5:
d4ffdb0417a49e139ee9c4232c79e0c3 - ssdeep:
768:fgGzpDQsIIKLCP14jkE04f6Xw9xQdxuVSuju/O+kboxC87scON0Nqase:oGFssyf6cxW0VSu6/tkoC8IN0qase - TLSH:
T1AE31AEF390A7DD8D7BCA6B139DE60099358AC78C6137866404C87B2CC8BC67D6F40861 - Submitted as: normal_5fa2ffca2b199.pdf
- File type: pdf · Size: 39704 bytes
- Verdict: suspicious (56/100)
Detections (3 of 50 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 56/100 is the fusion of 6 weighted signals:
- Embedded network infrastructure: https://cctraff.ru/123?keyword=garage+plastic+storage+cabinets+with+doors, https://cdn-cms.f-static.net/uploads/4386086/normal_5f912519c0f1e.pdf, https://cdn-cms.f-static.net/uploads/4379355/normal_5f8ad2f3c5209.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 - Contacted 8 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9728 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- 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
- ntp.ubuntu.com
- 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
- 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5bf94e30b2af556b91943c16582d81c6.png -
4190f7290fbf1e6cac75097ab75839ade3f2cfd5f7afc56a5aa21dddea35b1c3 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
167cfd1c73da2446f4530017e5698b3effaef0d9bbf8d9ebf99bdf774c6ef227 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=garage+plastic+storage+cabinets+with+doors
- https://cdn-cms.f-static.net/uploads/4386086/normal_5f912519c0f1e.pdf
- https://cdn-cms.f-static.net/uploads/4379355/normal_5f8ad2f3c5209.pdf
- https://cdn-cms.f-static.net/uploads/4451363/normal_5fa1f3ec54960.pdf
- https://cdn-cms.f-static.net/uploads/4384295/normal_5f9f669776c08.pdf
- https://cdn-cms.f-static.net/uploads/4369498/normal_5f8b493095697.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f9da305c341c.pdf
- https://cdn-cms.f-static.net/uploads/4365655/normal_5f9e1613a98f2.pdf
- https://cdn-cms.f-static.net/uploads/4372377/normal_5f931a5f8194e.pdf
- https://vewawuwidavejo.weebly.com/uploads/1/3/4/4/134403009/rodog.pdf
- https://cdn-cms.f-static.net/uploads/4370057/normal_5f89e976363e3.pdf
- https://cdn-cms.f-static.net/uploads/4380859/normal_5f8ae9fb4c005.pdf
- https://uploads.strikinglycdn.com/files/e6a2215e-b2cb-47c1-8ee1-b664519518d3/58017778524.pdf
- https://uploads.strikinglycdn.com/files/2fa1bd4a-e0d6-4037-ab69-22b82c1c5b17/fojawajufejus.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
- cdn-cms.f-static.net
- vewawuwidavejo.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.37
- 74.178.240.61
- 20.236.44.162
- 4.230.171.124
- 85.210.196.11
- 52.123.252.242
- 52.182.141.63
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report