MALICIOUS — 3719004.pdf
MALICIOUS — 3719004.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100). 3 of 23 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
29e68484e7045059df4fa74f104c13fbe0265a0eae59dc85da228f2c8db1717e - SHA-1:
9d5cd209fa6e86e4d86e94ff62c098bed63e2b49 - MD5:
ebe1d658b690a8ad38829ef154c028de - ssdeep:
1536:qGFgpGWNfelfJ/T+1tdr/QxRBWB10AUV1:TFgpFNf801tdr/YRe1DU - TLSH:
T126339EF301A7ED4C7A8B5B07AEA614987189D78DA133D79044883B6DD47CAFC3E11A21 - Submitted as: 3719004.pdf
- File type: pdf · Size: 49218 bytes
- Verdict: malicious (91/100)
Detections (3 of 23 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 91/100 is the fusion of 7 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Contacted 36 external host(s) at runtime (6 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=purdue%20pegboard%20test%20of%20manual%20dexterity, https://cdn-cms.f-static.net/uploads/4366034/normal_5f8716d2b910e.pdf, https://cdn-cms.f-static.net/uploads/4366337/normal_5f8719d49388c.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9688 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
- desktop-hsgcbep
- 250.255.255.239.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
- 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
- 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- /opt/CAPEv2/storage/analyses/25340/files/fd063e611bcce7b72e6e06ee9787169c6d79a53f0ac110b5135a91f87fd12689 -
fd063e611bcce7b72e6e06ee9787169c6d79a53f0ac110b5135a91f87fd12689 - /opt/CAPEv2/storage/analyses/25340/files/c6210e86a269318231fa090f269074ca76924a3e9d20878e087a5860be00db55 -
c6210e86a269318231fa090f269074ca76924a3e9d20878e087a5860be00db55 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.wnwCLcALyR -
a53fa511bf12057de72bdafc12d53476748d3d0ec09d40df1388a08ba7784f29
Embedded URLs
- https://cctraff.ru/wb?keyword=purdue%20pegboard%20test%20of%20manual%20dexterity
- https://cdn-cms.f-static.net/uploads/4366034/normal_5f8716d2b910e.pdf
- https://cdn-cms.f-static.net/uploads/4366337/normal_5f8719d49388c.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f87019214543.pdf
- https://cdn-cms.f-static.net/uploads/4365560/normal_5f870943a0190.pdf
- https://site-1041950.mozfiles.com/files/1041950/37390469873.pdf
- https://site-1039190.mozfiles.com/files/1039190/84108829563.pdf
- https://site-1043034.mozfiles.com/files/1043034/99403170382.pdf
- https://site-1043279.mozfiles.com/files/1043279/didazolalavu.pdf
- https://site-1043174.mozfiles.com/files/1043174/sakotafibovilajifosat.pdf
- https://site-1036730.mozfiles.com/files/1036730/54641690764.pdf
- https://site-1043294.mozfiles.com/files/1043294/gagekir.pdf
- https://site-1044202.mozfiles.com/files/1044202/jizapobor.pdf
- https://site-1039491.mozfiles.com/files/1039491/boferejibaw.pdf
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/bfcfaa.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/xenemavurinap_jokepirewiteda_fijalezej_gemewije.pdf
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/wimitipe-fusexe.pdf
- https://uploads.strikinglycdn.com/files/a9503106-6537-4784-8cb9-35af85c00a1e/bowakixefidurabexebaro.pdf
- https://uploads.strikinglycdn.com/files/595979c1-b6b1-44a8-855c-b792926d1139/89657086084.pdf
- https://uploads.strikinglycdn.com/files/4b38f83d-9194-4cce-b314-a9a85930261b/rubugutolila.pdf
- https://site-1039513.mozfiles.com/files/1039513/xajegopivozosuvawonaxaw.pdf
- https://site-1038679.mozfiles.com/files/1038679/jorapezabijobexonu.pdf
- https://site-1039665.mozfiles.com/files/1039665/44201970652.pdf
- https://site-1037111.mozfiles.com/files/1037111/toligujumemopa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- site-1041950.mozfiles.com
- site-1039190.mozfiles.com
- site-1043034.mozfiles.com
- site-1043279.mozfiles.com
- site-1043174.mozfiles.com
- site-1036730.mozfiles.com
- site-1043294.mozfiles.com
- site-1044202.mozfiles.com
- site-1039491.mozfiles.com
- tavumake.weebly.com
- vuxozajuje.weebly.com
- mojivimimujovo.weebly.com
- uploads.strikinglycdn.com
- site-1039513.mozfiles.com
- site-1038679.mozfiles.com
- site-1039665.mozfiles.com
- site-1037111.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.10
- 4.230.171.124
- 172.215.188.232
- 52.230.59.222
- 135.233.95.80
- 135.232.92.97
- 20.236.44.162
- 40.103.64.242
- 72.154.7.113
- 52.123.129.14
- 20.42.65.90
- 203.26.79.13
- 40.84.85.40
- 20.184.175.20
- 52.123.252.204
- 74.179.71.159
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report