SUSPICIOUS — vuxigofarim.pdf
SUSPICIOUS — vuxigofarim.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 2 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
96fdd781a48d6e14cde5073d85abea3b17053aa0523aea8b3240ca950883edf9 - SHA-1:
b6156953b0b72aec5ef01d48d6b2ab9d68c03d19 - MD5:
d6f9713a3cd363174e0fbf81ddd4c761 - ssdeep:
768:2ogGzpDQUB99Lz9qSkb+kYt65/Ywg06ioVZeznV0LJPZ/5+5bN5np5ZZfXzCbrY/:KGFEUfNO/o06ioPeznWdZgbV5+fYXxh - TLSH:
T177319DF36063DD8CBACBAF136C661469618DC68C6133C6A4588D372CC0BC6ED7E50961 - Submitted as: vuxigofarim.pdf
- File type: pdf · Size: 41503 bytes
- Verdict: suspicious (66/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4421209/normal_5f99493a8dd3a.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=english%20for%20work%20business%20presentations%20pdf, https://cdn.shopify.com/s/files/1/0497/0912/1715/files/how_long_is_sculpture_walk_spokane_wa.pdf, https://cdn-cms.f-static.net/uploads/4388177/normal_5f8fce174b66a.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 9 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9722 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
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- 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
- 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
- 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
- ntp.ubuntu.com
- 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
- 20.190.167.66
- 20.190.167.150
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\878c8a633e02e1744bc391c4767d2e42.png -
b5ab9f53ec20df175da2426cd4dfa7df1ed3925087ee1a656967504c415fadb4 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
7d9d4a328b4c828ce758d5ae448f10506239e91f61a04aeafc3cf15a2d486c1f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=english%20for%20work%20business%20presentations%20pdf
- https://cdn.shopify.com/s/files/1/0497/0912/1715/files/how_long_is_sculpture_walk_spokane_wa.pdf
- https://cdn-cms.f-static.net/uploads/4388177/normal_5f8fce174b66a.pdf
- https://nuvisinuxaxo.weebly.com/uploads/1/3/1/3/131383681/4996967.pdf
- https://cdn-cms.f-static.net/uploads/4367645/normal_5f8757f41aa85.pdf
- https://cdn-cms.f-static.net/uploads/4393370/normal_5f998af1cc83c.pdf
- https://cdn-cms.f-static.net/uploads/4387054/normal_5f925078189af.pdf
- https://sobegivi.weebly.com/uploads/1/3/4/3/134311910/2921589.pdf
- https://cdn-cms.f-static.net/uploads/4372376/normal_5f88d48756d69.pdf
- https://s3.amazonaws.com/mesotodimus/teaching_bursaries_for_2019.pdf
- https://cdn-cms.f-static.net/uploads/4421209/normal_5f99493a8dd3a.pdf
- https://kajibelewori.weebly.com/uploads/1/3/4/3/134307873/fisosulejafebeko.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7013/files/55626507173.pdf
- https://uploads.strikinglycdn.com/files/ddd8504c-c606-4264-bf57-b0f15566fc5a/96982256545.pdf
- https://cdn-cms.f-static.net/uploads/4379230/normal_5f8aef2573999.pdf
- https://uploads.strikinglycdn.com/files/f908da0c-51ac-46c1-839c-eb5fa04ef9b2/50827235669.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.shopify.com
- cdn-cms.f-static.net
- nuvisinuxaxo.weebly.com
- sobegivi.weebly.com
- s3.amazonaws.com
- kajibelewori.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.76.128
- 52.123.252.243
- 4.247.188.224
- 52.110.12.24
- 20.42.73.28
- 20.165.94.63
- 72.145.35.99
- 162.159.36.2
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report