MALICIOUS — normal_5f86f83be9674.pdf
MALICIOUS — normal_5f86f83be9674.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:
66de09f4000911c96e2cc9fdce7caf455521fc9a45df1219558ce97a49baf07b - SHA-1:
c9be7ddde954c10ba6fb03fb6403414e48e5a63d - MD5:
3e39e0b300eef9d512bf3218149d881d - ssdeep:
768:9gGzpDUeHaOJG6nWTJpPRV0aXypSB11bizFCZJ/TC+B8eSw5y7k2p:+GFoe6OZlYde+B8eSwMk2p - TLSH:
T167339EF360A7ED4C7A87AF176DF61059544ACB8D50278AA045C9BB2CC0BC6BD6F00A11 - Submitted as: normal_5f86f83be9674.pdf
- File type: pdf · Size: 48389 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/4365638/normal_5f86f4d892742.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=segregation+of+solid+waste+pdf, https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/3e75a4e696b2f2d.pdf, https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/lokujevu.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9696 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\SumatraPDF-settings.txt -
2bcf06305204824c554ef9ff2b991c86fdf3181f57ca49396673b26643ee7b59 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\906a4bf155869bc0a44f1fd0f85b752f.png -
2beca1122fd5e1ff2eea414d3c70a6c2ef614cebf86932da0e19d7dbfa3ecf15 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=segregation+of+solid+waste+pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/3e75a4e696b2f2d.pdf
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/lokujevu.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/jogowezokuvaxu.pdf
- https://cdn.shopify.com/s/files/1/0268/8240/8644/files/nuwijalosa.pdf
- https://cdn.shopify.com/s/files/1/0437/0235/4070/files/bifigufeweneniwewedi.pdf
- https://cdn.shopify.com/s/files/1/0480/3343/1711/files/car_wash_tampa_kennedy_blvd.pdf
- https://cdn.shopify.com/s/files/1/0429/2578/5255/files/dumodotivuxido.pdf
- https://cdn.shopify.com/s/files/1/0481/2626/3459/files/3.3_energy_flow_in_an_ecosystem_worksheet_answers.pdf
- https://cdn-cms.f-static.net/uploads/4365628/normal_5f86f440b3917.pdf
- https://cdn-cms.f-static.net/uploads/4365628/normal_5f86f4fe347a8.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f86f67fa867b.pdf
- https://cdn-cms.f-static.net/uploads/4365638/normal_5f86f4d892742.pdf
- https://cdn-cms.f-static.net/uploads/4365608/normal_5f86f69331d80.pdf
- https://cdn-cms.f-static.net/uploads/4366005/normal_5f86f4af36413.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f86f493d1ecb.pdf
- https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f5d560862.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f86f54d4847e.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
Embedded domains
- cctraff.ru
- genigudepa.weebly.com
- keniwuki.weebly.com
- zoxuzuxebexot.weebly.com
- cdn.shopify.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.117.171
- 20.184.175.22
- 20.184.175.13
- 52.123.252.219
- 52.110.12.37
- 52.110.12.52
- 4.230.171.124
- 20.42.179.192
- 52.253.84.76
- 4.150.223.107
- 20.236.44.162
- 52.123.128.14
- 74.179.77.204
- 135.233.45.223
- 20.165.94.46
- 203.26.79.13
- 52.123.252.233
- 135.234.160.244
- 52.168.112.67
- 4.150.223.96
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report