MALICIOUS — 32805096405.pdf
MALICIOUS — 32805096405.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:
d17b6cdb4c2da62cb35fcb7987847c1078aab01d6bf5a9832d21ed908d1eef77 - SHA-1:
7ab8963ebd7f3db55ddf2be2c4e4e44eaf862342 - MD5:
5f1be61c48c3a5a01b576d38fc1d0418 - ssdeep:
768:2gGzpDUX8PsI/NhZL70Tr1Tpm7p4Svu4dgGgKEqd/65:jGFwNI/fsmF4oPdgmEqd/65 - TLSH:
T15D318CF3505BDE8C7A87979369E601886189C64C3133A7A408D8B76DC8B82BDBF50D71 - Submitted as: 32805096405.pdf
- File type: pdf · Size: 39857 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/8e3ca328-d57c-465a-b856-237ef31d1bf3/xapamasoxisowosima.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=examen+ser+bachiller+pdf+2018, https://site-1037091.mozfiles.com/files/1037091/jidawos.pdf, https://site-1036731.mozfiles.com/files/1036731/31043722305.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9754 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
- 250.255.255.239.in-addr.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
- 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
- 252.0.0.224.in-addr.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
- 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\2712cccec7c6912392533bda2eb2207f.png -
9958c4dfa243e88e422d7d421cede7e325e245a1fd05a76a468ba353d6f17730 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
51430f218639b7bed65d1bdfed2053398d5c0f0e0f33a290781daa031c285b66 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=examen+ser+bachiller+pdf+2018
- https://site-1037091.mozfiles.com/files/1037091/jidawos.pdf
- https://site-1036731.mozfiles.com/files/1036731/31043722305.pdf
- https://site-1037188.mozfiles.com/files/1037188/53670936465.pdf
- https://site-1036729.mozfiles.com/files/1036729/31884455354.pdf
- https://uploads.strikinglycdn.com/files/7ebd0a64-1afe-401b-85d8-8370c410994f/fowoxuwojiki.pdf
- https://uploads.strikinglycdn.com/files/859b2ce9-59b2-414f-949d-19baffb95c1f/54262407382.pdf
- https://uploads.strikinglycdn.com/files/8e3ca328-d57c-465a-b856-237ef31d1bf3/xapamasoxisowosima.pdf
- https://uploads.strikinglycdn.com/files/dc677152-35dc-4ea5-9bc6-313af0addc81/60553870445.pdf
- https://site-1036958.mozfiles.com/files/1036958/toral.pdf
- https://site-1036637.mozfiles.com/files/1036637/75160882481.pdf
- https://site-1036950.mozfiles.com/files/1036950/80165687099.pdf
- https://site-1036719.mozfiles.com/files/1036719/36452789225.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=1787743768&P2=404&P3=2&P4=au7p3xUHajkjvY9OXlitu7%2bf8cvB1b8ZOaJcI3%2b%2focKJLX95%2fK8ewgih3GG7dSsmpqnngsxD31KyALYYl%2bSR%2fg%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
Embedded domains
- gettraff.ru
- site-1037091.mozfiles.com
- site-1036731.mozfiles.com
- site-1037188.mozfiles.com
- site-1036729.mozfiles.com
- uploads.strikinglycdn.com
- site-1036958.mozfiles.com
- site-1036637.mozfiles.com
- site-1036950.mozfiles.com
- site-1036719.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.89.1.10
- 40.84.97.4
- 52.110.12.31
- 4.230.171.124
- 135.232.92.137
- 135.232.92.97
- 40.99.134.2
- 20.50.201.205
- 52.123.128.14
- 172.178.240.163
- 72.154.7.110
- 203.26.79.13
- 52.123.252.197
- 48.211.4.16
- 135.233.45.222
- 52.168.112.66
- 13.89.179.12
- 142.251.222.227
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report