MALICIOUS — 4871693.pdf
MALICIOUS — 4871693.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the SBadur family. 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b97cd950bbc91dab0a6f50ebb46d2b7683412c08dcb1d6097785893a1287e897 - SHA-1:
c0e358cf5c8274fb9698b868a09eea55d7184096 - MD5:
a62251622f30288ee45c186cd3dd8050 - ssdeep:
768:qgGzpDUpo32mzsg2YLPTaTYUIQQRBfdukiXRQNuo8Qa4tNFDuSPN+:3GF4po3Jo+RBfdwmNmQVXkSPN+ - TLSH:
T156306DF351B7ED8C7A87DB17AEEA145C9185D6486172A76408883B3CC4BC6BF6E00521 - Submitted as: 4871693.pdf
- File type: pdf · Size: 37713 bytes
- Verdict: malicious (97/100) · Family: SBadur
Detections (3 of 50 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 36 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=heard%20on%20the%20street%20pdf%20download%20fre, https://cdn.shopify.com/s/files/1/0433/8014/6343/files/dezawazuza.pdf, https://cdn.shopify.com/s/files/1/0483/2316/6371/files/everyone_is_john_deutsch.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)
9661 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
- 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
- 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
- ntp.ubuntu.com
- 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
Dropped files
- /opt/CAPEv2/storage/analyses/25400/files/a0ffcd4058043045d672b30fdffbd6e7a354f667f51ecc86de96b330105599ed -
a0ffcd4058043045d672b30fdffbd6e7a354f667f51ecc86de96b330105599ed - /opt/CAPEv2/storage/analyses/25400/files/fbb4151794868a5fd94617d7606b0e220e3d988849db86e82e4925af08ba8ff8 -
fbb4151794868a5fd94617d7606b0e220e3d988849db86e82e4925af08ba8ff8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.K4LAdDy2FN -
45aa47d1644cb7c8f853ffc42b7ea9d5bbbbb85e4bce6e13c4f63ffeb6edb002
Embedded URLs
- https://cctraff.ru/wb?keyword=heard%20on%20the%20street%20pdf%20download%20fre
- https://cdn.shopify.com/s/files/1/0433/8014/6343/files/dezawazuza.pdf
- https://cdn.shopify.com/s/files/1/0483/2316/6371/files/everyone_is_john_deutsch.pdf
- https://cdn.shopify.com/s/files/1/0266/9173/1649/files/realidades_2_capitulo_4a-1_answers.pdf
- https://cdn.shopify.com/s/files/1/0430/7589/5447/files/mtg_commander_deck_building_tips.pdf
- https://cdn.shopify.com/s/files/1/0429/9125/5713/files/56222258726.pdf
- https://site-1039129.mozfiles.com/files/1039129/18920563712.pdf
- https://site-1043153.mozfiles.com/files/1043153/ravuzaxel.pdf
- https://site-1039174.mozfiles.com/files/1039174/kudakevejoferojap.pdf
- https://site-1038526.mozfiles.com/files/1038526/15257232610.pdf
- https://uploads.strikinglycdn.com/files/17ce86bf-fc5e-4e86-b802-3c7e308ca5be/2903838609.pdf
- https://uploads.strikinglycdn.com/files/99730c5f-a1be-4244-b089-8f0d16f96ade/38053980690.pdf
- https://site-1039779.mozfiles.com/files/1039779/14281743970.pdf
- https://site-1037894.mozfiles.com/files/1037894/40327132262.pdf
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/2c21e350ba.pdf
- https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/6435199.pdf
- https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/8644275.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
- cctraff.ru
- cdn.shopify.com
- site-1039129.mozfiles.com
- site-1043153.mozfiles.com
- site-1039174.mozfiles.com
- site-1038526.mozfiles.com
- uploads.strikinglycdn.com
- site-1039779.mozfiles.com
- site-1037894.mozfiles.com
- jufaxexave.weebly.com
- tudupumodowi.weebly.com
- kabudededawizo.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.77.204
- 20.42.65.85
- 20.42.179.192
- 52.123.252.192
- 52.110.12.11
- 4.230.171.124
- 57.155.101.212
- 74.178.76.128
- 40.79.167.10
- 20.231.239.246
- 40.99.133.210
- 52.123.129.14
- 74.179.71.159
- 203.26.79.13
- 52.123.252.212
- 135.232.92.137
- 48.200.63.27
- 40.99.134.18
More SBadur samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report