MALICIOUS — normal_5f8704a7af8f6.pdf
MALICIOUS — normal_5f8704a7af8f6.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:
186454e35ae1318ea9a6a545d96d7ee108e451a80d41fe40c7519ff161a10727 - SHA-1:
6207e2b9b1c7638fa4e863ae448dae25ff8ac803 - MD5:
9d65193d433fb56a3e658c766d0cc466 - ssdeep:
768:/gGzpD/peW8Yxw60iB9BSDSl+5njbfrpFUhnl6chf5NeDXPiB9JKZ14:IGFLp3dS2+5cRwONeDXqBHKZO - TLSH:
T1DE329EF764E7DD8C7E87AB079EB71154528AD3892237939048C8772CC4BC1ADBE50960 - Submitted as: normal_5f8704a7af8f6.pdf
- File type: pdf · Size: 47533 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 23 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/069a83c0-4c1a-4217-8193-068ed40d374f/31543887128.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=south+african+antiretroviral+treatment+guidelines, https://uploads.strikinglycdn.com/files/069a83c0-4c1a-4217-8193-068ed40d374f/31543887128.pdf, https://uploads.strikinglycdn.com/files/92a66752-6275-4abe-966a-ca6f5bc26b96/xifepixefefaruzubux.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9676 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 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\sumatrapdfcache\4508b19b82cd57a4ea1744bc1a0c597b.png -
bc559b4491f1fe2581d58833bb2ed5e8e814c89c3530fa40f2ae15040f3a6b79 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
99e584037da7316845d5b7e1db4d1f37419a858205e31a268bc878046705ea7c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=south+african+antiretroviral+treatment+guidelines
- https://uploads.strikinglycdn.com/files/069a83c0-4c1a-4217-8193-068ed40d374f/31543887128.pdf
- https://uploads.strikinglycdn.com/files/92a66752-6275-4abe-966a-ca6f5bc26b96/xifepixefefaruzubux.pdf
- https://uploads.strikinglycdn.com/files/09c602a0-ef66-4cb0-b382-83b863de967a/59344786927.pdf
- https://site-1040250.mozfiles.com/files/1040250/97258525956.pdf
- https://cdn-cms.f-static.net/uploads/4366011/normal_5f86f5cd1db40.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f86f91798419.pdf
- https://site-1043037.mozfiles.com/files/1043037/jebavamamelukedapazutidub.pdf
- https://site-1043770.mozfiles.com/files/1043770/35759501588.pdf
- https://site-1041690.mozfiles.com/files/1041690/sagawoxesa.pdf
- https://site-1039768.mozfiles.com/files/1039768/rikifuwuw.pdf
- https://site-1042092.mozfiles.com/files/1042092/89632242217.pdf
- https://uploads.strikinglycdn.com/files/baac0893-caba-45b0-8f37-58acb46c5b4f/rararosipox.pdf
- https://uploads.strikinglycdn.com/files/5e50ca8d-bf0f-4d4e-8b9c-93a440c6e166/xoxekirexed.pdf
- https://uploads.strikinglycdn.com/files/c238de9a-74ab-4369-a1a8-471a7c9fbf27/falawugebugutazumizam.pdf
- https://uploads.strikinglycdn.com/files/55c5a686-b8cc-4f1e-b8c9-39e4f5ffaec7/kigunokodepudugejulofepak.pdf
- https://uploads.strikinglycdn.com/files/6613a6e2-a42b-4763-8679-0e29da32facb/vagovid.pdf
- https://uploads.strikinglycdn.com/files/c4cb54b5-1db0-40f2-b76c-f9d4ce9abe08/roxisutale.pdf
- https://uploads.strikinglycdn.com/files/4e1ad5e1-83a7-4d97-8c22-583bbe8f163d/88582244225.pdf
- https://uploads.strikinglycdn.com/files/8f1cd30d-c097-4034-8121-eeb29225e1ba/pajax.pdf
- https://uploads.strikinglycdn.com/files/11da2389-c9a0-459a-9b63-83c9cd6bb18b/xepukupot.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
- cctraff.ru
- uploads.strikinglycdn.com
- site-1040250.mozfiles.com
- cdn-cms.f-static.net
- site-1043037.mozfiles.com
- site-1043770.mozfiles.com
- site-1041690.mozfiles.com
- site-1039768.mozfiles.com
- site-1042092.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.71.159
- 4.247.188.233
- 20.184.175.10
- 72.154.7.97
- 40.84.97.4
- 172.66.2.5
- 74.178.232.29
- 4.230.171.124
- 20.42.179.192
- 52.230.60.54
- 203.26.79.13
- 20.165.94.63
- 135.233.95.135
- 20.112.250.133
- 40.103.64.226
- 52.178.17.234
- 52.123.129.14
- 92.223.78.30
- 52.123.252.202
- 135.233.45.221
- 135.234.160.246
- 4.150.223.97
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report