MALICIOUS — normal_5f8c00f6ed244.pdf
MALICIOUS — normal_5f8c00f6ed244.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c6758cf41c4395a4c064fd4152dca3ce17053173045f8ffa97327b5394105a2f - SHA-1:
fb53205a76d9ce00e4861c1d17e4826d0ade776a - MD5:
3152a14afb50ddeb488a1976f1cda63c - ssdeep:
1536:TGFEeBEoX+hx7Bw7MO5X65n+YY2CvnjG0w4Ja:iFEedX8x7Bw/x65fEnjG0H8 - TLSH:
T17A349FF350B7DD8D3ACE6B1369A601A96449D7896026EBD0458C7B1CC0BCAFD2F10A61 - Submitted as: normal_5f8c00f6ed244.pdf
- File type: pdf · Size: 53820 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 14 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/1ccb07b7-36b0-4b58-a99a-427a87444df8/38992068740.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=japanese+android+flip+phone, https://cdn-cms.f-static.net/uploads/4383467/normal_5f8bbec2582bb.pdf, https://cdn-cms.f-static.net/uploads/4369182/normal_5f89e303b2c0e.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 (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9796 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
- ntp.ubuntu.com
- desktop-hsgcbep
- 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
- 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
- 250.255.255.239.in-addr.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\sumatrapdfcache\5e69da24324ede01d4576779328bf2b8.png -
c4cf730ff933395fb85ae9a5f10d348bf79aeb64d5e092f25c9f284e8ffb427c - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
3367413fa5f84b6e2d18e504ba62821c20e5a66fecb815a24d607519f033609f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=japanese+android+flip+phone
- https://cdn-cms.f-static.net/uploads/4383467/normal_5f8bbec2582bb.pdf
- https://cdn-cms.f-static.net/uploads/4369182/normal_5f89e303b2c0e.pdf
- https://cdn-cms.f-static.net/uploads/4366659/normal_5f879e29abc66.pdf
- https://cdn-cms.f-static.net/uploads/4366984/normal_5f87d8d1705b7.pdf
- https://cdn-cms.f-static.net/uploads/4366014/normal_5f8711d254a94.pdf
- https://cdn-cms.f-static.net/uploads/4367283/normal_5f879bb7746cc.pdf
- https://cdn-cms.f-static.net/uploads/4368752/normal_5f87c8419aecf.pdf
- https://uploads.strikinglycdn.com/files/1ccb07b7-36b0-4b58-a99a-427a87444df8/38992068740.pdf
- https://uploads.strikinglycdn.com/files/c40beb67-5105-4217-9832-c331a2ca742f/varewa.pdf
- https://uploads.strikinglycdn.com/files/54700c8b-b7ad-4644-8ad6-4261f7531db3/tevapevojopo.pdf
- https://cdn-cms.f-static.net/uploads/4366973/normal_5f899504d7ee3.pdf
- https://cdn-cms.f-static.net/uploads/4366639/normal_5f8921c53f830.pdf
- https://cdn-cms.f-static.net/uploads/4370267/normal_5f8b603eae353.pdf
- https://cdn-cms.f-static.net/uploads/4367622/normal_5f8b5ac5386fd.pdf
- https://cdn-cms.f-static.net/uploads/4371524/normal_5f8b76262f2cc.pdf
- https://cdn-cms.f-static.net/uploads/4365607/normal_5f87143a2e809.pdf
- https://cdn-cms.f-static.net/uploads/4369142/normal_5f87e455e4544.pdf
- https://cdn-cms.f-static.net/uploads/4377115/normal_5f89d26b6274b.pdf
- https://vebifejelib.weebly.com/uploads/1/3/0/7/130775119/tudazanumabawag_gevaso.pdf
- https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/eb682d499417.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- vebifejelib.weebly.com
- wozuwonasanava.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.14
- 20.3.4.127
- 52.110.12.11
- 40.84.97.4
- 4.230.171.124
- 72.145.35.103
- 203.26.79.13
- 74.179.77.204
- 20.231.239.246
- 52.168.112.67
- 52.123.129.14
- 20.165.94.46
- 135.234.160.245
- 172.170.180.133
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report