MALICIOUS — normal_5f870959349de.pdf
MALICIOUS — normal_5f870959349de.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
ff1a96e88db6c16fda856d1c4ad830697bc8b548534036ee75ab82bb15860b1b - SHA-1:
18bcf0b2635af69b726186ac3c5cf807586cbf5c - MD5:
922d42df178b26fc969b0fcdd78eebd9 - ssdeep:
3072:pFrpk5+mSn/u4mH3gWIBAktkTxr1nPhyKHux:Pdk5+bnmtXgbqhr1PhyT - TLSH:
T1CB3AE0F358E3DD4C7A872F47A8A7112562C9434C717293D068CCAB6CD8BC6BC3A10A65 - Submitted as: normal_5f870959349de.pdf
- File type: pdf · Size: 100100 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3160) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=hepatojugular+reflux+adalah+pdf, https://cdn-cms.f-static.net/uploads/4365607/normal_5f8704869f8b1.pdf, https://cdn-cms.f-static.net/uploads/4365560/normal_5f870943a0190.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9978 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
- 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=1787778576&P2=404&P3=2&P4=C2rDGyyLwaycNPh0rvRJ6N4sbSP1FDNDV0QvSXEGCO4UyMddSpb1DrS8zu8rGoRG1ULirnFYm3qzKOwdadN8vg%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=1787778595&P2=404&P3=2&P4=djbJAMtxj%2bAn3VBMoT7XoGx%2f0asYAe5cewAZQ%2f0plrXi88osNM%2fc8D%2bi0D%2brurKofIhOQB6lqzHsdXDrevqseg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787175350&P2=404&P3=2&P4=hHsesVp7Z2DUrA3yQzDnDLiZqPMQgDw6rbmFbfjeo03UY2J%2b%2fw01c9LVHg1F0NiBbxNFMbxK%2bPsCA9IXnvWmmA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
581c31f9b3daca5a47ae438322c6d20bfaedd3b97a4185e28af1b2c623701b05 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9e8f69f4810c4c2890f9496c026b23a7.png -
3654431ee5b94d10c7203c997459467d5e8b3f8bda05642ba19e0895c2d1ba22 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=hepatojugular+reflux+adalah+pdf
- https://cdn-cms.f-static.net/uploads/4365607/normal_5f8704869f8b1.pdf
- https://cdn-cms.f-static.net/uploads/4365560/normal_5f870943a0190.pdf
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f87069020095.pdf
- https://site-1040766.mozfiles.com/files/1040766/2016702931.pdf
- https://site-1039656.mozfiles.com/files/1039656/36789159531.pdf
- https://site-1043855.mozfiles.com/files/1043855/didovonujapixived.pdf
- https://site-1041777.mozfiles.com/files/1041777/82965836994.pdf
- https://site-1036721.mozfiles.com/files/1036721/zuvela.pdf
- https://cdn-cms.f-static.net/uploads/4365582/normal_5f86fabd5fd19.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f86f83272334.pdf
- https://uploads.strikinglycdn.com/files/c240f894-0182-4a54-b47e-825b05da8753/salexamufaluposofebasi.pdf
- https://uploads.strikinglycdn.com/files/a200cb53-1a4c-4288-9261-e25c66ada501/nixuxebitawivujiwumam.pdf
- https://uploads.strikinglycdn.com/files/b7017150-6777-4f3e-8038-8544590dd8fe/fukodopatifowude.pdf
- https://uploads.strikinglycdn.com/files/f1a53271-63dc-43bc-8b4e-03a722c4e60f/wimakisopa.pdf
- https://site-1043126.mozfiles.com/files/1043126/60463914477.pdf
- https://site-1041198.mozfiles.com/files/1041198/1733077025.pdf
- https://site-1043034.mozfiles.com/files/1043034/bebojavanesugi.pdf
- https://site-1040084.mozfiles.com/files/1040084/todiwirubozojesevir.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f87025fa98e1.pdf
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f87077a2be27.pdf
- https://cdn-cms.f-static.net/uploads/4365560/normal_5f8702bb44b0a.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f87095391a47.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- ggtraff.ru
- cdn-cms.f-static.net
- site-1040766.mozfiles.com
- site-1039656.mozfiles.com
- site-1043855.mozfiles.com
- site-1041777.mozfiles.com
- site-1036721.mozfiles.com
- uploads.strikinglycdn.com
- site-1043126.mozfiles.com
- site-1041198.mozfiles.com
- site-1043034.mozfiles.com
- site-1040084.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 162.159.142.9
- 4.207.44.71
- 52.110.12.40
- 4.230.171.124
- 48.211.4.16
- 4.144.132.114
- 20.165.94.63
- 20.50.201.204
- 52.123.252.223
- 135.233.95.80
- 20.184.175.5
- 52.123.128.14
- 40.99.134.18
- 203.26.79.13
- 52.123.252.231
- 52.123.252.242
- 52.168.112.67
- 4.150.223.106
- 20.184.175.23
- 20.42.73.31
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report