MALICIOUS — 57043453438.pdf
MALICIOUS — 57043453438.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100). 3 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
be893c25f84817d995b47bbb7c1373e06378f4dec0de70240b6421d1e2ffdebe - SHA-1:
5704386dd0539dcf47b1d2ff65f9e6ed8db11217 - MD5:
14cbd7cfee06a3bece01466bbcc515b2 - ssdeep:
768:VgGzpD0LF7vjD2T0oeTbgy4Xq2Ibuxqsa2nVal08mA1TPKXf/AK4z:GGF4hfmXabu4B0Xf/AK4z - TLSH:
T1C533AEF31097DD8CB687EF03AEEA292C6145C7895132876444E8372DC0B87BD7E51A61 - Submitted as: 57043453438.pdf
- File type: pdf · Size: 47723 bytes
- Verdict: malicious (93/100)
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 93/100 is the fusion of 8 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Contacted 39 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/c3f0e95c-8941-4594-9cf6-9123fc93f7a6/55593488136.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=wabi+sabi+children%2527+s+book+pdf, https://uploads.strikinglycdn.com/files/c3f0e95c-8941-4594-9cf6-9123fc93f7a6/55593488136.pdf, https://uploads.strikinglycdn.com/files/50b5828e-35aa-45fb-ba1f-708dad91e222/11575706652.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)
9597 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
- 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
- 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
- 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/31463/files/29558ce0b73fdb7e1be51bb0a51d6217cb60d2d57c2ce258f85408495cf26465 -
29558ce0b73fdb7e1be51bb0a51d6217cb60d2d57c2ce258f85408495cf26465 - /opt/CAPEv2/storage/analyses/31463/files/5c82f729fa12c305822340ca91778ee0615211f76dbbe3f6de39a08e2d139b44 -
5c82f729fa12c305822340ca91778ee0615211f76dbbe3f6de39a08e2d139b44 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.dYbBs6tbpu -
fee3581e5fb6a22790f5d69b06eae227615ca61bc046e8985190d4140dbdfa56
Embedded URLs
- https://cctraff.ru/strik?keyword=wabi+sabi+children%2527+s+book+pdf
- https://uploads.strikinglycdn.com/files/c3f0e95c-8941-4594-9cf6-9123fc93f7a6/55593488136.pdf
- https://uploads.strikinglycdn.com/files/50b5828e-35aa-45fb-ba1f-708dad91e222/11575706652.pdf
- https://uploads.strikinglycdn.com/files/63f8717d-73ab-44e4-80e4-17b44ef332ec/wolubok.pdf
- https://uploads.strikinglycdn.com/files/1999c7bb-c7f9-4ad9-bfdf-6f6a2f34b560/27586796569.pdf
- https://uploads.strikinglycdn.com/files/7d59fb04-167e-4f41-a348-cd34ff79cada/66018337946.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/sasukurun.pdf
- https://cdn.shopify.com/s/files/1/0433/9928/2845/files/discord_server_theme_ideas.pdf
- https://cdn.shopify.com/s/files/1/0450/7402/2550/files/mi_busqueda_de_empleo_sud.pdf
- https://cdn.shopify.com/s/files/1/0438/7104/3739/files/free_weight_watchers_calculator_app_for_android.pdf
- https://cdn.shopify.com/s/files/1/0433/9505/5765/files/78317674766.pdf
- https://site-1036730.mozfiles.com/files/1036730/12419592181.pdf
- https://site-1036811.mozfiles.com/files/1036811/86697211483.pdf
- https://site-1037267.mozfiles.com/files/1037267/nivikozorovenopugopetul.pdf
- https://uploads.strikinglycdn.com/files/c62f476b-07c6-41c2-93d3-42387957d8f3/wuxafejejavobumogavuzogu.pdf
- https://uploads.strikinglycdn.com/files/719ddbed-306f-49cc-8daa-3bb14502dfb7/bukidupigolas.pdf
- https://uploads.strikinglycdn.com/files/7ef5a788-d486-4ee2-94da-20e0a3a85963/64992591528.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
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1036730.mozfiles.com
- site-1036811.mozfiles.com
- site-1037267.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 4.150.223.102
- 48.211.4.16
- 172.66.2.5
- 51.105.71.136
- 52.123.252.223
- 52.253.84.76
- 52.110.12.3
- 52.110.12.40
- 4.230.171.124
- 125.56.205.26
- 125.56.205.56
- 74.178.76.128
- 4.150.223.113
- 52.123.128.14
- 135.234.160.244
- 74.178.76.44
- 203.26.79.13
- 52.123.252.220
- 57.154.63.210
- 4.209.250.170
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report