MALICIOUS — tofuxa.pdf
MALICIOUS — tofuxa.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b56e5c3b807806547d2b699ffe6e3f91bee6a7e928038d9867a41686b89f66ba - SHA-1:
45477f60788c98077e0726263fd4e55e019dc18d - MD5:
a2864785a06b22f55babd252bd76a473 - ssdeep:
768:vgGzpDKCJPK67IScf0Jcf2NL+XCPFq/QMUtcyR+WT2i3xO0:YGF2D67I7f2Nie0/QMUyq+R8Y0 - TLSH:
T1E3339DF710ABDCCC6ECADB0399F70459654A874921369AA04A8C7B7DC4BC2FD5D10E22 - Submitted as: tofuxa.pdf
- File type: pdf · Size: 48857 bytes
- Verdict: malicious (84/100)
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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/634b553c-49ea-4834-9a54-dd8db205fae0/fiwax.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=how+to+write+acknowledgement+for+master+thesis+pdf, http://xevan.livefiregirls.com/uploads/1/3/2/8/132815828/xazowinojasapido.pdf, http://files.ewb-midmaryland.org/uploads/1/3/0/7/130738779/basiluko.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)
9795 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
- c.pki.goog
- ntp.ubuntu.com
- 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
- 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
- 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2bbeb21f13722e438b40ad424157db671efc7a9f97459112dbe2db556dccd718 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b7667eb0c277ebbd5a27158c7d9366d3.png -
f430ee928fc1dd66605679306d4e845f09df8e2b4e85de8837394435ee60ce04 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=how+to+write+acknowledgement+for+master+thesis+pdf
- http://xevan.livefiregirls.com/uploads/1/3/2/8/132815828/xazowinojasapido.pdf
- http://files.ewb-midmaryland.org/uploads/1/3/0/7/130738779/basiluko.pdf
- http://files.staugustinesmorrow.org/uploads/1/3/2/6/132681516/4062660.pdf
- https://uploads.strikinglycdn.com/files/634b553c-49ea-4834-9a54-dd8db205fae0/fiwax.pdf
- http://files.allsaintshighwycombe.org/uploads/1/3/1/0/131070151/dumuzudezud-zozimul-pujexaxeg-napavu.pdf
- http://files.bbcengraving.com/uploads/1/3/0/7/130740148/4308319.pdf
- http://finofusev.vizzini.org/uploads/1/3/0/9/130968921/nuratomejapaje.pdf
- http://files.ruralpunk.net/uploads/1/3/1/4/131406893/pabevosapud_babokezewi.pdf
- https://uploads.strikinglycdn.com/files/b245dc43-f975-42c1-b56a-4c6b19420618/89850018810.pdf
- https://uploads.strikinglycdn.com/files/48691bab-36b8-4c77-baa7-d7cd48bc0de4/bilabisumobawutifomaze.pdf
- https://uploads.strikinglycdn.com/files/08d56d00-34d1-4a34-8c21-7e801f08c825/lagaziva.pdf
- https://uploads.strikinglycdn.com/files/727f29e6-4660-498f-8526-4bf9ae0f6ab9/momubugokukifolomuro.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=1787747587&P2=404&P3=2&P4=Jr8PmVvVbda1rFbpI%2bHvpmBLn0BpVc0dwVoXtwrGwtnEIkcLhBB5iHpZgjsxyID0UfFkPT1yyvH392iKMH%2b6XA%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
- xevan.livefiregirls.com
- files.ewb-midmaryland.org
- files.staugustinesmorrow.org
- uploads.strikinglycdn.com
- files.allsaintshighwycombe.org
- files.bbcengraving.com
- finofusev.vizzini.org
- files.ruralpunk.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.77.204
- 51.104.15.253
- 52.110.12.51
- 57.155.101.212
- 4.230.171.124
- 20.247.185.124
- 74.178.76.54
- 52.123.252.197
- 20.112.250.133
- 135.233.95.144
- 52.123.128.14
- 4.247.188.224
- 135.233.45.222
- 20.165.94.46
- 203.26.79.13
- 92.223.78.30
- 142.250.195.163
- 135.233.45.223
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report