MALICIOUS — normal_5f86f96b3295d.pdf
MALICIOUS — normal_5f86f96b3295d.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:
3484d59beb1d9a8b181ee9d4d8a824f52e249d5cdb27ea070d352f9e3c634718 - SHA-1:
c72a98ca4a07ca374df02b1590130b155bb9924e - MD5:
0ba89096efad6f479e8e8654a3222faf - ssdeep:
768:2gGzpDPpzBXt6XCAKNJjw9mPTrsZdMqdhVuKxJkXmcPJQ2QpzJWHvzBDIjDT:jGFLpzBDJfAdVuKcFPJQDzJWPlDIjDT - TLSH:
T17A329EF341ABDD887ACAAB075DE60158618ADB8C7072A7A051C9773CC47C5FE6D40560 - Submitted as: normal_5f86f96b3295d.pdf
- File type: pdf · Size: 46210 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 19 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/d0ee6cb1-a96c-4f0c-b1b4-8663030904b4/92727006296.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=du+recorder+download+apkpure, https://site-1043352.mozfiles.com/files/1043352/sodegavejofat.pdf, https://site-1043660.mozfiles.com/files/1043660/46594419582.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9805 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
- 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=1787778557&P2=404&P3=2&P4=D6BgVjJCy7IcJQ9P4HKw26NgjsA%2fBbe3BN3htjfZn%2f6Gh5jdbWj05nOsjGztwkadXSiqgpS1RcgeYhtrJVo7og%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787778602&P2=404&P3=2&P4=npO%2bgkufdkCCJ%2fJhfio7Gm6E19kwhUIx9l7uq59vdQqO0%2bKBRzbt9wqQ%2fy84ZxObQq8ZRgTebX8SJM2Sj%2bmO9g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
62ec1e999dc054826e35cd8070df91ce3f4d861e4401a8ad70dabe47989d602b - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c9720430c35239a2420ff84a3e71a38a.png -
ed5e8ea9061585db994b10e6efc46852991f5b4785b897aba9c328175d3de77e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=du+recorder+download+apkpure
- https://site-1043352.mozfiles.com/files/1043352/sodegavejofat.pdf
- https://site-1043660.mozfiles.com/files/1043660/46594419582.pdf
- https://site-1037149.mozfiles.com/files/1037149/48822829514.pdf
- https://uploads.strikinglycdn.com/files/d0ee6cb1-a96c-4f0c-b1b4-8663030904b4/92727006296.pdf
- https://uploads.strikinglycdn.com/files/3cc79cdc-70e5-4234-b5e9-fc6d89ff7613/21871455898.pdf
- https://uploads.strikinglycdn.com/files/15a03681-8add-4206-8772-60bd154765b7/47773624333.pdf
- https://uploads.strikinglycdn.com/files/53a3c8d6-a1b8-49a5-9955-2e59b8e2bb77/67793859754.pdf
- https://uploads.strikinglycdn.com/files/50265125-731c-4a72-ba59-ae737f1ffcf1/47915233738.pdf
- https://uploads.strikinglycdn.com/files/ebe092bd-871c-4307-bf92-6a76b1a070a9/21265042884.pdf
- https://cdn-cms.f-static.net/uploads/4366020/normal_5f86f5ce63e16.pdf
- https://cdn-cms.f-static.net/uploads/4366048/normal_5f86f8e4e7c31.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f86f42c90c42.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f8a953408.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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787778557&P2=404&P3=2&P4=D6BgVjJCy7IcJQ9P4HKw26NgjsA%2fBbe3BN3htjfZn%2f6Gh5jdbWj05nOsjGztwkadXSiqgpS1RcgeYhtrJVo7og%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- site-1043352.mozfiles.com
- site-1043660.mozfiles.com
- site-1037149.mozfiles.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 4.150.223.102
- 52.110.12.47
- 52.110.12.37
- 40.84.85.40
- 4.230.171.124
- 4.144.132.114
- 20.42.65.94
- 74.178.76.128
- 40.103.64.242
- 52.123.129.14
- 40.104.4.2
- 20.165.94.63
- 135.233.95.80
- 203.26.79.13
- 135.234.160.244
- 48.199.12.1
- 52.148.114.188
- 74.179.71.159
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report