MALICIOUS — viwufug.pdf
MALICIOUS — viwufug.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
2121b47f6135e91ace43db40f370f72bf9bca4d7ecd0d82a654bcad00cca5502 - SHA-1:
545e1074dc6eec37497977bfc09ade0bd23d5d15 - MD5:
0e162c34c0e70a95583fd0e54ea7cabe - ssdeep:
768:OgGzpD2J1WCzZWJykgeKLpB52T72te7zzp2GMsaU5VI:rGFKJ8JykgnmvLPgBsaU5VI - TLSH:
T1DC31ADF3545BEC8976869B03ADF70069214AC38C61329BB005C93A3DC97C2BCFE54821 - Submitted as: viwufug.pdf
- File type: pdf · Size: 41947 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 21 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/5de2cd30-58e4-4110-a7e3-da6b30d42f09/22232557864.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=business+information+systems+paul+beynon+davies+pdf, https://site-1036996.mozfiles.com/files/1036996/4549915508.pdf, https://site-1037282.mozfiles.com/files/1037282/bomakewekobotoxape.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9762 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
- 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
- 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
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
bf87b6561d60e34c3cc29b7bfe87f95f77b97f88be10ba1a38ccb5eb25f91fa4 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7fa100b2a423f28c0bd59ef8e5c5ff3a.png -
0272b3dd65d112392417d1b9f69e308836111a092377817a8cb31a341527a6ce - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=business+information+systems+paul+beynon+davies+pdf
- https://site-1036996.mozfiles.com/files/1036996/4549915508.pdf
- https://site-1037282.mozfiles.com/files/1037282/bomakewekobotoxape.pdf
- https://site-1037081.mozfiles.com/files/1037081/65352060101.pdf
- https://site-1036996.mozfiles.com/files/1036996/renaxipubife.pdf
- https://cdn.shopify.com/s/files/1/0436/9999/4778/files/24014389294.pdf
- https://cdn.shopify.com/s/files/1/0496/5990/4157/files/fantasy_general_conference.pdf
- https://cdn.shopify.com/s/files/1/0486/6483/8294/files/most_dangerous_game_answers.pdf
- https://uploads.strikinglycdn.com/files/5de2cd30-58e4-4110-a7e3-da6b30d42f09/22232557864.pdf
- https://uploads.strikinglycdn.com/files/8930167f-5095-4105-86cc-d63a7cdcbf68/duxefamagadimujejovoweror.pdf
- https://uploads.strikinglycdn.com/files/e0801eac-ba2a-4497-8ef8-6b33f3716ba3/vekese.pdf
- https://uploads.strikinglycdn.com/files/2fa3b5c6-1179-4cf4-be68-386089b86046/52822194683.pdf
- https://uploads.strikinglycdn.com/files/ce8bd188-a0cd-4a22-a24f-d13bf0a781ab/lezixuxugufeko.pdf
- https://uploads.strikinglycdn.com/files/d9f90ffa-a07e-4c3d-aa6c-a7f00cd0e673/7639094820.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=1787758446&P2=404&P3=2&P4=acme9K85f6A%2fwYoGHkP1me3GHx4afIPwN2T55UqTUJ9Rlo4VnmQnfkdD25rjBzcnh%2fEATjnSk4KOwQrjCwlsUA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- site-1036996.mozfiles.com
- site-1037282.mozfiles.com
- site-1037081.mozfiles.com
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.1
- 20.42.65.94
- 13.69.109.131
- 52.178.17.3
- 57.155.104.224
- 52.110.12.40
- 52.110.12.48
- 4.230.171.124
- 4.155.94.154
- 135.232.92.137
- 74.178.240.51
- 20.184.175.5
- 92.223.78.30
- 52.123.128.14
- 40.99.134.2
- 172.178.240.161
- 74.178.76.44
- 203.26.79.13
- 74.179.71.159
- 4.207.44.64
- 4.247.188.224
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report