MALICIOUS — lewakaf.pdf
MALICIOUS — lewakaf.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
baa620adeb8ea19083efddb9fff0d14451fc0edb4e160185433528edaa4aced6 - SHA-1:
a8f3c1e647e4ca87f64d054a6204a89e70ec72be - MD5:
5ef39206942dfd229c838e58a17233dc - ssdeep:
768:hgGzpDapXbAPuHMJiavbjqzf6ECeUM2ryE/MUE+bl:SGF2pKG6jFPEAl - TLSH:
T1B02F9DF3A05BED4CB6C6DB036DE61485A18AD78C213293A09899773CD47C6FC7E009A0 - Submitted as: lewakaf.pdf
- File type: pdf · Size: 35544 bytes
- Verdict: malicious (75/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 75/100 is the fusion of 7 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/c250ca6e-63cf-4964-aa2f-e67ce0e26772/midalowuso.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=essentials+of+general+surgery+peter, https://uploads.strikinglycdn.com/files/c250ca6e-63cf-4964-aa2f-e67ce0e26772/midalowuso.pdf, https://uploads.strikinglycdn.com/files/bd22a605-ebf2-4116-a75c-049b43031c3c/54808547745.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 - Extracted generic config (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
10033 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
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ntp.ubuntu.com
- 250.255.255.239.in-addr.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
- 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
- desktop-hsgcbep._dosvc._tcp.local
- 79.243.254.169.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
84bc19551a5091c67b4f131d57ad987f0e9572e9e9f5f8c854781341f741a230 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\80bf3008d1c41d454cdee93082867bda.png -
5662b54d949d660943323846751e06b51c36de1a73df00c2c3ed66c609ce28cf - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=essentials+of+general+surgery+peter
- https://uploads.strikinglycdn.com/files/c250ca6e-63cf-4964-aa2f-e67ce0e26772/midalowuso.pdf
- https://uploads.strikinglycdn.com/files/bd22a605-ebf2-4116-a75c-049b43031c3c/54808547745.pdf
- https://uploads.strikinglycdn.com/files/505f2435-b13d-4754-aeb5-8256fd8a4fbd/bitegoxute.pdf
- https://uploads.strikinglycdn.com/files/b9ee7744-8016-4ec6-88c6-5671f57157c3/sifikixatexifamagoburen.pdf
- https://uploads.strikinglycdn.com/files/b1b98ff3-c3e2-49cf-b2dd-131f2a836602/92138988178.pdf
- https://site-1039801.mozfiles.com/files/1039801/dufepazevegu.pdf
- https://site-1039197.mozfiles.com/files/1039197/lokopufegika.pdf
- https://site-1038715.mozfiles.com/files/1038715/10814207873.pdf
- https://site-1037115.mozfiles.com/files/1037115/47510972166.pdf
- https://site-1039316.mozfiles.com/files/1039316/35092939840.pdf
- https://site-1038321.mozfiles.com/files/1038321/vigewo.pdf
- https://site-1038714.mozfiles.com/files/1038714/gewareripidi.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=1787398551&P2=404&P3=2&P4=Z5WpXYXBwL8AZdnnQbU%2b9FKEQOe%2bk4eHlWa%2b%2bmySDnvopnC29xgdn32%2birGvaZ1CrYi2LY3KEmzcgDrs88rSJw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- site-1039801.mozfiles.com
- site-1039197.mozfiles.com
- site-1038715.mozfiles.com
- site-1037115.mozfiles.com
- site-1039316.mozfiles.com
- site-1038321.mozfiles.com
- site-1038714.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.129.14
- 4.150.223.98
- 52.230.59.222
- 172.178.240.162
- 4.230.171.124
- 52.123.128.14
- 4.150.223.100
- 52.123.252.241
- 40.79.163.155
- 203.26.79.13
- 52.123.252.227
- 74.179.77.204
- 20.42.179.204
- 20.42.72.131
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report