MALICIOUS — normal_5f8b264155359.pdf
MALICIOUS — normal_5f8b264155359.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:
fa5502772538a4039b4193885343bce5a15925358c7e6e3081fb549d30fd69dc - SHA-1:
e4de2361f42f4b01f35a78b52a8dff1b01d4c85a - MD5:
46faf7a3780f74d7f1b3c5e87ede33fc - ssdeep:
768:OgGzpDfe93bqnCVeWxRZh5ChXnR8/uqxhP5ZL33POVNf732T6p:rGFDe9/0kusRTPUf6T6p - TLSH:
T13D317CF350ABDD8C7A8BAB13A9B71159208DC78C71369BA055CC762CD4BC6AD7F01860 - Submitted as: normal_5f8b264155359.pdf
- File type: pdf · Size: 39624 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://cdn-cms.f-static.net/uploads/4365586/normal_5f8727af8409c.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.com/123?keyword=auto+manual+selector+switch, https://uploads.strikinglycdn.com/files/46dc4d73-d692-4e90-bda5-1ebd188a468b/firepuxokazonerudir.pdf, https://uploads.strikinglycdn.com/files/3358a2b3-edeb-41fb-a978-da9a2c30334e/xarupogolovosopiro.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)
9714 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
- 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
- _dosvc._tcp.local
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f5a2029b50dbe839dac7472f1c0c5a642f3d7b12d477eb590892ac4e815de0cc - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e48f322f568c6c3387a24a0c20174782.png -
1ada75b7531913152a36e5c0faea1bcabb09647f5a4ff8520862680f591fa5a8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/123?keyword=auto+manual+selector+switch
- https://uploads.strikinglycdn.com/files/46dc4d73-d692-4e90-bda5-1ebd188a468b/firepuxokazonerudir.pdf
- https://uploads.strikinglycdn.com/files/3358a2b3-edeb-41fb-a978-da9a2c30334e/xarupogolovosopiro.pdf
- https://uploads.strikinglycdn.com/files/1ee915d1-dea9-4de3-b415-9f6538d0c5fe/65512707749.pdf
- https://remewizefo.weebly.com/uploads/1/3/1/8/131856163/nanofobowiwekuka.pdf
- https://cdn-cms.f-static.net/uploads/4373502/normal_5f8a3e6f05ed4.pdf
- https://cdn-cms.f-static.net/uploads/4365586/normal_5f8727af8409c.pdf
- https://cdn-cms.f-static.net/uploads/4375704/normal_5f8a782b1bfe9.pdf
- https://cdn-cms.f-static.net/uploads/4365541/normal_5f8708e4b069c.pdf
- https://cdn-cms.f-static.net/uploads/4367919/normal_5f88b75063074.pdf
- https://cdn-cms.f-static.net/uploads/4368978/normal_5f87feadc748a.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f8732537ff1c.pdf
- https://uploads.strikinglycdn.com/files/0f91704e-c94c-4340-848a-313e857ac858/dagozewamo.pdf
- https://uploads.strikinglycdn.com/files/ef3340fe-004b-4a0e-814c-90a7944f96d1/84689019847.pdf
- https://uploads.strikinglycdn.com/files/0266acbd-5af4-4401-bcaf-054cfe4f7f98/zikukewiwevigebazemogu.pdf
- https://uploads.strikinglycdn.com/files/7caf5600-eaee-473f-a56a-0bb815d478c9/laxerakixemexojagaze.pdf
- https://cdn-cms.f-static.net/uploads/4373998/normal_5f8a41274e877.pdf
- https://cdn-cms.f-static.net/uploads/4366341/normal_5f8809cf35a69.pdf
- https://cdn-cms.f-static.net/uploads/4365563/normal_5f874bf3d2ab4.pdf
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f889c71eed15.pdf
- https://cdn-cms.f-static.net/uploads/4367007/normal_5f8854a515a9c.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
- ttraff.com
- uploads.strikinglycdn.com
- remewizefo.weebly.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.11.192.49
- 57.155.104.224
- 172.66.2.5
- 20.42.73.28
- 52.110.12.10
- 52.110.12.40
- 4.230.171.124
- 52.230.60.54
- 74.179.77.204
- 20.42.65.89
- 20.236.44.162
- 20.165.94.46
- 203.26.79.13
- 40.99.134.2
- 52.123.252.225
- 135.234.160.244
- 52.168.112.66
- 142.250.207.3
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report