MALICIOUS — 1257824.pdf
MALICIOUS — 1257824.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the SBadur family. 3 of 23 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e7bbce4fc9545e8eef2f04a229d2014ff3593f958caa7b5eb4768c92377f055f - SHA-1:
adcdb75bb0010cf0c1799fb577d27e59e34f5390 - MD5:
fd749ad00475fe039ea2968836ef7d54 - ssdeep:
1536:UGFrplIk57bvysGCJeI9j24BxhRMAWzOn3kTW+:hFrpl74sDeI9jZfMKn3kL - TLSH:
T14F348CF39067EC8C7A8BAB43ADE710696589D7453132DB9489C8BB2CC47C5ED2F40911 - Submitted as: 1257824.pdf
- File type: pdf · Size: 56174 bytes
- Verdict: malicious (97/100) · Family: SBadur
Detections (3 of 23 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 9 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged UDS:Trojan.PDF.SBadur.gen (rule
UDS:Trojan.PDF.SBadur.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 30 external host(s) at runtime (5 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=crysis%203%20back%20button%20fix, https://cdn-cms.f-static.net/uploads/4366360/normal_5f871e5a43561.pdf, https://cdn-cms.f-static.net/uploads/4365613/normal_5f86f6fa9a09b.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)
9664 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
- 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
- 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
- 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/26879/files/4a1acd90252ca114ac6eb3b52ce60706043fff6506382fb5f1da7f2abc84cc90 -
4a1acd90252ca114ac6eb3b52ce60706043fff6506382fb5f1da7f2abc84cc90 - /opt/CAPEv2/storage/analyses/26879/files/bda8de95e0f335e30b57b544eacece1ba7df8cbd8f36e0e0f8e54676e1557834 -
bda8de95e0f335e30b57b544eacece1ba7df8cbd8f36e0e0f8e54676e1557834 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.vSPivOeoAI -
2ab3ba46c024ce3bcb5232b9ab862a1dfa1ae1ad80a83bfbfc5a4d44e91e6528
Embedded URLs
- https://cctraff.ru/wb?keyword=crysis%203%20back%20button%20fix
- https://cdn-cms.f-static.net/uploads/4366360/normal_5f871e5a43561.pdf
- https://cdn-cms.f-static.net/uploads/4365613/normal_5f86f6fa9a09b.pdf
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f86ff8ddd5ac.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f8703591a485.pdf
- https://cdn.shopify.com/s/files/1/0435/4179/0871/files/46778957255.pdf
- https://cdn.shopify.com/s/files/1/0429/3486/1991/files/4101438490.pdf
- https://cdn.shopify.com/s/files/1/0490/0805/0343/files/short_story_elements_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0435/9723/4338/files/86122233363.pdf
- https://cdn.shopify.com/s/files/1/0497/9582/5826/files/highest_point_in_akron_ohio.pdf
- https://cdn.shopify.com/s/files/1/0480/9824/6820/files/52193001395.pdf
- https://cdn.shopify.com/s/files/1/0498/0834/3194/files/physics_kinetic_energy_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/7663/9127/files/58410721163.pdf
- https://povutepumik.weebly.com/uploads/1/3/2/7/132741486/vasutanajive.pdf
- https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/6752891a.pdf
- https://site-1041614.mozfiles.com/files/1041614/54013759841.pdf
- https://site-1036884.mozfiles.com/files/1036884/69174009561.pdf
- https://site-1037207.mozfiles.com/files/1037207/9184655521.pdf
- https://uploads.strikinglycdn.com/files/28d1e6de-0ebb-4494-ab77-e32c69ed251d/39753390836.pdf
- https://uploads.strikinglycdn.com/files/22956709-2944-46c6-98ba-3d901ba3a5bd/lekalititesezamuxulimitup.pdf
- https://uploads.strikinglycdn.com/files/76b65ce8-75a3-4104-af8c-338d95a9cbee/40429870667.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- povutepumik.weebly.com
- mupibidegupek.weebly.com
- site-1041614.mozfiles.com
- site-1036884.mozfiles.com
- site-1037207.mozfiles.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.101
- 172.66.2.5
- 52.110.12.48
- 4.144.132.114
- 52.123.252.223
- 74.179.71.159
- 135.233.95.144
- 52.123.129.14
- 40.103.64.242
- 203.26.79.13
- 52.148.114.188
- 149.154.164.24
- 149.154.167.99
- 4.230.171.124
More SBadur samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report