MALICIOUS — 0dbf8bf3a319.pdf
MALICIOUS — 0dbf8bf3a319.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
c4b9278d1c69b78fd072740f07a2722645d2841634364ec994c3609c419eaaf0 - SHA-1:
c6fc7c3faf0c42f80e0f5e7870901e212eb51525 - MD5:
8d0b5b0e0ab56fd27567a156dc9d7ef3 - ssdeep:
768:YgGzpDHp82zaNdVLKh+zbXAWCemSXHFD8gk0wCvTso/Ml5m+X1Wnoms2:1GFTp+zEe/XNFkgv9/Mnm+X1soR2 - TLSH:
T10432BEF35097ED9C6E879B176CEA1185618DC788612797A0058C7B2CC4BC6FDAF01871 - Submitted as: 0dbf8bf3a319.pdf
- File type: pdf · Size: 46112 bytes
- Verdict: malicious (96/100)
Detections (2 of 50 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 96/100 is the fusion of 8 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/e8b3b90d-c241-4634-ba30-9803b141b592/jiwukuzasakekelimuzam.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 30 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=ycbcr444%20vs%20ycbcr%20422, https://uploads.strikinglycdn.com/files/e8b3b90d-c241-4634-ba30-9803b141b592/jiwukuzasakekelimuzam.pdf, https://uploads.strikinglycdn.com/files/64a229b7-0f00-4322-b76f-4c8188a11347/25912073288.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9698 behavior events · 1 ATT&CK techniques · 4 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
- 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
- 250.255.255.239.in-addr.arpa
- 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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/31329/files/89cee40e1f3dcf53f1f1dc6d0228eb057ee19f6b75033c524629f86d742023ed -
89cee40e1f3dcf53f1f1dc6d0228eb057ee19f6b75033c524629f86d742023ed - /opt/CAPEv2/storage/analyses/31329/files/e1c15daa4bed03342c8bacba09a53362ba457ed1a2328024f4322cef76cf40f4 -
e1c15daa4bed03342c8bacba09a53362ba457ed1a2328024f4322cef76cf40f4 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.Jz48miILzm -
f0741c0ea016ed8ffad6fe305e334aa61e1e8160586919dd4cab6d4d88bd924f
Embedded URLs
- https://ggtraff.ru/wb?keyword=ycbcr444%20vs%20ycbcr%20422
- https://uploads.strikinglycdn.com/files/e8b3b90d-c241-4634-ba30-9803b141b592/jiwukuzasakekelimuzam.pdf
- https://uploads.strikinglycdn.com/files/64a229b7-0f00-4322-b76f-4c8188a11347/25912073288.pdf
- https://uploads.strikinglycdn.com/files/174a89d5-8ffb-4d01-b77a-529579ac7b46/tizawogolazojodopi.pdf
- https://uploads.strikinglycdn.com/files/a5a7adf3-accf-4164-972a-8c1080fff2ec/45439030224.pdf
- https://cdn-cms.f-static.net/uploads/4366011/normal_5f874b33099d5.pdf
- https://cdn-cms.f-static.net/uploads/4365541/normal_5f8715dcd9c50.pdf
- https://cdn-cms.f-static.net/uploads/4366047/normal_5f86fbe813bd5.pdf
- https://cdn-cms.f-static.net/uploads/4365540/normal_5f878b8d8419b.pdf
- https://cdn-cms.f-static.net/uploads/4371791/normal_5f88b922054c4.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/xizaxamuxive.pdf
- https://legadiduzavof.weebly.com/uploads/1/3/2/6/132681829/potakafirawufotop.pdf
- https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/1429013.pdf
- https://site-1043258.mozfiles.com/files/1043258/gigurimabodowi.pdf
- https://site-1038811.mozfiles.com/files/1038811/donije.pdf
- https://cdn-cms.f-static.net/uploads/4367283/normal_5f8763d34cf14.pdf
- https://cdn-cms.f-static.net/uploads/4366407/normal_5f875dd01d90c.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
Embedded domains
- ggtraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- dutitujazekap.weebly.com
- legadiduzavof.weebly.com
- gevafitasib.weebly.com
- site-1043258.mozfiles.com
- site-1038811.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 172.66.2.5
- 4.144.132.114
- 172.215.188.232
- 4.230.171.124
- 74.178.232.29
- 4.150.223.115
- 72.145.35.107
- 20.76.201.171
- 203.26.79.13
- 40.99.133.242
- 52.123.129.14
- 57.155.104.224
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report