MALICIOUS — normal_5f888cd01af3e.pdf
MALICIOUS — normal_5f888cd01af3e.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:
a7b87b9e69bcb6e3d8d16df07a532bd1e9b42777ac715da99c59278afc1da27a - SHA-1:
8086dd54963846c0fb4c5490098ef70310140337 - MD5:
48a40c4db0232b543c3d96aa74c55e56 - ssdeep:
1536:nGFre+fYYK7L705sNjfDTvjLMfGglZzb/:GFre+wr7H3rDTvjsGSV - TLSH:
T1DA34BFF32157EE8C3A876B076AB71169A14AC74C722297E0458C772CC47C6BDBE04B64 - Submitted as: normal_5f888cd01af3e.pdf
- File type: pdf · Size: 55980 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/4367944/normal_5f8758df87450.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=top+bike+racing+games+for+android+download, https://cdn-cms.f-static.net/uploads/4367944/normal_5f8758df87450.pdf, https://cdn-cms.f-static.net/uploads/4369773/normal_5f87fe8d25dc1.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9681 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
- c.pki.goog
- 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
- 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
- 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
- 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\SumatraPDF-settings.txt -
b6153aa41a91c75c232fd3ad55d573849b005c7b9165ba5af0fedfca19f30fe2 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\11321564b0cacd5525316da5ce34aee7.png -
3cfd2f4e22a437136cc72f59b84ca3f4e9e846ca5d797653943a0c196d2e3c5b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=top+bike+racing+games+for+android+download
- https://cdn-cms.f-static.net/uploads/4367944/normal_5f8758df87450.pdf
- https://cdn-cms.f-static.net/uploads/4369773/normal_5f87fe8d25dc1.pdf
- https://cdn-cms.f-static.net/uploads/4366045/normal_5f875f23c3213.pdf
- https://cdn-cms.f-static.net/uploads/4366360/normal_5f871e5a43561.pdf
- https://cdn-cms.f-static.net/uploads/4368475/normal_5f887409320e4.pdf
- https://cdn.shopify.com/s/files/1/0457/3698/4732/files/dd_ranged_weapons_disadvantage.pdf
- https://uploads.strikinglycdn.com/files/c943da6e-f966-4c2e-803e-8d3de2f39789/7760861772.pdf
- https://uploads.strikinglycdn.com/files/db913dcb-0629-46a1-a3dc-c53bd727c1bd/kutowisolimasere.pdf
- https://uploads.strikinglycdn.com/files/2c132b0d-c2c9-4b15-96ad-ffa784cdd581/66792041357.pdf
- https://uploads.strikinglycdn.com/files/85be287b-94bf-4316-a6ad-c1a585bce6c2/54644631363.pdf
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/bonizibifuxaz.pdf
- https://cdn.shopify.com/s/files/1/0430/9650/6521/files/stubhub_red_wings.pdf
- https://cdn.shopify.com/s/files/1/0499/5937/0904/files/microbiology_mcq_book_download.pdf
- https://cdn.shopify.com/s/files/1/0501/6325/3409/files/9258941144.pdf
- https://cdn-cms.f-static.net/uploads/4366305/normal_5f8735fced758.pdf
- https://cdn-cms.f-static.net/uploads/4369911/normal_5f87f9efe02c5.pdf
- https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fbc9f174d.pdf
- https://rawofaweka.weebly.com/uploads/1/3/0/7/130775842/kagaladelefu_mewomad.pdf
- https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/25fa9e3f4.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- uploads.strikinglycdn.com
- rawofaweka.weebly.com
- xubuvene.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.243
- 52.178.17.234
- 52.123.252.194
- 52.110.12.18
- 4.230.171.124
- 203.26.79.13
- 74.178.240.61
- 74.179.77.164
- 52.123.129.14
- 40.99.133.242
- 52.123.252.202
- 142.251.42.99
- 92.223.78.30
- 4.209.250.170
- 52.178.17.232
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report