MALICIOUS — fepiduzipofex.pdf
MALICIOUS — fepiduzipofex.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
ed80413d82f387bfd066050852d3c5082b1051dba4e9fe91743dc89dfcda7c27 - SHA-1:
6503b05201ae8afb71cc37a37ae897b15203b8c2 - MD5:
a4935d8d528366c78a1d93a061f9a96a - ssdeep:
768:ngGzpDGv3OJdkGQq6sotNV9xuR8SPic4XR5dsvA1Yo:gGFaWJWG4xNV9xKp63XR5dsvA1Yo - TLSH:
T11131AFF35157DC8C398AAB139EAA00599007D7892133D7E459D87B3DC4782FDAE209B1 - Submitted as: fepiduzipofex.pdf
- File type: pdf · Size: 40164 bytes
- Verdict: malicious (84/100)
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 malicious score of 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/ce9df12f-4cc5-40f8-88d2-0c0b9165a51b/rinoxutipidirejuv.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=pdf+to+word+document+software+download, https://uploads.strikinglycdn.com/files/0461f92d-b6cd-4b93-92d3-9edb8b872fea/bugukuzulilibi.pdf, https://uploads.strikinglycdn.com/files/90af91e0-d305-4563-bd86-4e4236232381/93431435879.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9730 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
- 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
- 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
- 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
- desktop-hsgcbep
- 250.255.255.239.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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d51e6a6935603510167c251c363a2848.png -
7b7453e07f2625602e6282b226bc89e053665ef6af1deb1fa8305f576f7d7d88 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
65ca8e4da150af6136063b412c2076890004753a47c924cb7e54221018a21432 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=pdf+to+word+document+software+download
- https://uploads.strikinglycdn.com/files/0461f92d-b6cd-4b93-92d3-9edb8b872fea/bugukuzulilibi.pdf
- https://uploads.strikinglycdn.com/files/90af91e0-d305-4563-bd86-4e4236232381/93431435879.pdf
- https://uploads.strikinglycdn.com/files/ce9df12f-4cc5-40f8-88d2-0c0b9165a51b/rinoxutipidirejuv.pdf
- https://uploads.strikinglycdn.com/files/b735f694-b6de-4059-9dee-21f1c4383d61/jololado.pdf
- https://uploads.strikinglycdn.com/files/bbcda0e5-5a7c-4469-93e4-be2e809b96f6/zuwode.pdf
- https://uploads.strikinglycdn.com/files/3f4efc66-ff4b-4153-bcf7-cfbec65f4cc3/18272597509.pdf
- https://site-1037920.mozfiles.com/files/1037920/77011580578.pdf
- https://site-1036734.mozfiles.com/files/1036734/fubika.pdf
- https://site-1037835.mozfiles.com/files/1037835/binilajuri.pdf
- https://site-1036730.mozfiles.com/files/1036730/setaxopekebekirinis.pdf
- https://site-1037224.mozfiles.com/files/1037224/vexuninotutofaja.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=1787760278&P2=404&P3=2&P4=W2naVBA%2f2xvdaiyfwJDQ1X9En3chdSJ1f13KO4LBtOy9GYLOw2pXm8as8sXJ8kBL%2bk5bX8bCGfenqJM%2fA8szPA%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=1787760352&P2=404&P3=2&P4=Jg6qggUuGgxrF%2fjI6GuSkRRVUeOyxmnOX56oJiCh9ve9DgtyEmni29j%2bkXLzG5j68lHmGYWY8ZpxCYz8IaZUzA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- site-1037920.mozfiles.com
- site-1036734.mozfiles.com
- site-1037835.mozfiles.com
- site-1036730.mozfiles.com
- site-1037224.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.112.66
- 52.123.252.227
- 4.155.90.37
- 52.110.12.54
- 52.110.12.5
- 4.230.171.124
- 85.210.193.152
- 135.233.95.144
- 52.168.117.174
- 20.236.44.162
- 52.123.128.14
- 40.99.134.2
- 72.145.35.106
- 203.26.79.13
- 52.123.252.197
- 92.223.78.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report