MALICIOUS — normal_5f9c356829752.pdf
MALICIOUS — normal_5f9c356829752.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:
4d4879b648092c4c5b5977afccbbaf31f43bbdd55a5986f1ce40d921ee1372c0 - SHA-1:
d38786dd1d4008179f19c46f365ec1b8b629b14e - MD5:
0660f8b7553b1aa9f8fa53c0535d5ba6 - ssdeep:
1536:vGFwSKuaGUOMPGh/croNrhuENem7U5Wh9ZbxNI6r:eFw9GUH+hUWC5Wh9VxNH - TLSH:
T10E35BFF341A7FD8C36D2DB47ADB61518644AD78D72239A6448CC7A2CC8BCAFC6D10950 - Submitted as: normal_5f9c356829752.pdf
- File type: pdf · Size: 60408 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 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f48c356e3.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.com/123?keyword=graphing+inequalities+in+two+variables+answer+key, https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f48c356e3.pdf, https://uploads.strikinglycdn.com/files/1205ce14-39e7-461f-aae4-89f583871737/12_principios_de_la_ergonomia.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9829 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
- 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
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787765817&P2=404&P3=2&P4=SusnfxT1zFPbwrKFeMkzE91mRRGh%2fLIDRUPe8VxVgujYiNozQhDN99t4Lr6gaAbrWUa6aOfgpQXsLFisPYPing%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\818e07562898da535063e982566dc743.png -
17179f46fca6f40dbe370fc29fb5e31e44d281a0e53d0744c7d610e442f404e8 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e44f51fe61a944a5df9db40709fb612015bcf4004feec7255b645c84deed8a3b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/123?keyword=graphing+inequalities+in+two+variables+answer+key
- https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f48c356e3.pdf
- https://uploads.strikinglycdn.com/files/1205ce14-39e7-461f-aae4-89f583871737/12_principios_de_la_ergonomia.pdf
- https://cdn-cms.f-static.net/uploads/4366331/normal_5f9a28a6b2cf8.pdf
- https://uploads.strikinglycdn.com/files/3c264bbf-fd2e-4717-bf17-4a600165b055/bukerefuziz.pdf
- https://cdn-cms.f-static.net/uploads/4380545/normal_5f924c54840d0.pdf
- https://s3.amazonaws.com/sakaburepagase/fewogebeve.pdf
- https://cdn.shopify.com/s/files/1/0266/9461/5226/files/effects_of_imperialism_in_africa.pdf
- https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/xedafiledaluf.pdf
- https://uploads.strikinglycdn.com/files/11fac7eb-186d-4540-b7f3-234d2721480e/jezinivulijuzapojomodoz.pdf
- https://s3.amazonaws.com/dinigugaxej/bc_rich_warlock_revenge.pdf
- https://fujimerikav.weebly.com/uploads/1/3/4/3/134307110/jitajezexafom-zamoweridezat-lewovaforubab-xaguzakafifido.pdf
- https://cdn.shopify.com/s/files/1/0430/4846/8631/files/autocad_360_pro_apk.pdf
- https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/9512140.pdf
- https://cdn-cms.f-static.net/uploads/4379959/normal_5f8dec8a2c6f3.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
- ttraff.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn.shopify.com
- kulilopoxi.weebly.com
- fujimerikav.weebly.com
- dojulukasinu.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.154.63.210
- 52.123.252.248
- 52.110.12.50
- 4.247.188.224
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 4.150.223.100
- 40.99.133.242
- 52.123.129.14
- 92.223.78.30
- 172.178.240.161
- 72.154.7.111
- 203.26.79.13
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report