MALICIOUS — 37359255561.pdf
MALICIOUS — 37359255561.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:
20723e1f894e67a15d631ea57e1ffe7350d56a0201c469de07e147bd37eedfa2 - SHA-1:
69f2f81ab1bf62845bb4f781a5c58640b1807aa4 - MD5:
1791c0758d493c82e075f5aa05e8cde0 - ssdeep:
768:ngGzpD4pAfE+NHaFB2RwaNXqedjVgwPIzI0xPndpzIrhOrHtawkPKP:gGFMpAfE+xL4ndtIrhOzxkSP - TLSH:
T144328FF72493ED4C7A8B7B03AEEB0095A18AC38961269B5045CC772CC4BC6FD7E10A54 - Submitted as: 37359255561.pdf
- File type: pdf · Size: 47089 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): HEUR:Trojan.Script.Generic
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 35 external host(s) at runtime (9 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/c6aeb354-5d7c-4a7f-81e7-d38c678489a5/49312610918.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=teaching+literature+elaine+showalter+pdf+download, https://uploads.strikinglycdn.com/files/c6aeb354-5d7c-4a7f-81e7-d38c678489a5/49312610918.pdf, https://uploads.strikinglycdn.com/files/6ebd85ce-47d9-442c-8109-96e70e26a477/63816783810.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)
9724 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
- c.pki.goog
- ntp.ubuntu.com
- 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
- 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
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- /opt/CAPEv2/storage/analyses/31638/files/4fef4554d245dc48620b528eb910b3eb04c235cdef6fabff8c70624dd7227fc6 -
4fef4554d245dc48620b528eb910b3eb04c235cdef6fabff8c70624dd7227fc6 - /opt/CAPEv2/storage/analyses/31638/files/dc56a2f8f69f4a08e6918bee96b86267730128d60ac520157efb1e827425c6cc -
dc56a2f8f69f4a08e6918bee96b86267730128d60ac520157efb1e827425c6cc - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.lvUW8PicGw -
95d66c464500e11057048ffc7d257567ba84b0d9a2c66afedfaece3cbbbdbbe0
Embedded URLs
- https://cctraff.ru/strik?keyword=teaching+literature+elaine+showalter+pdf+download
- https://uploads.strikinglycdn.com/files/c6aeb354-5d7c-4a7f-81e7-d38c678489a5/49312610918.pdf
- https://uploads.strikinglycdn.com/files/6ebd85ce-47d9-442c-8109-96e70e26a477/63816783810.pdf
- https://uploads.strikinglycdn.com/files/3c1f164f-e2e7-4165-87a5-f03702c84889/39054482238.pdf
- https://uploads.strikinglycdn.com/files/516d6c00-883c-4df9-ba36-b4e49cf295df/sifuwejekedemotoj.pdf
- https://uploads.strikinglycdn.com/files/90d87af5-97ba-4cd1-babe-221c23d4be06/84176917614.pdf
- https://cdn.shopify.com/s/files/1/0428/7568/2972/files/tusawegezimewikepefanewu.pdf
- https://cdn.shopify.com/s/files/1/0432/1034/2563/files/wwwhotmail.com_sign_in.pdf
- https://cdn.shopify.com/s/files/1/0486/6555/9190/files/25240810828.pdf
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/suxupilubew.pdf
- https://cdn.shopify.com/s/files/1/0481/6869/8007/files/95903933727.pdf
- https://cdn-cms.f-static.net/uploads/4368772/normal_5f8843d720580.pdf
- https://cdn-cms.f-static.net/uploads/4366306/normal_5f884d2e9770f.pdf
- https://cdn-cms.f-static.net/uploads/4365575/normal_5f8703e43864c.pdf
- https://uploads.strikinglycdn.com/files/24a096bb-8ef3-4d51-8f47-1867fd43a045/19463699369.pdf
- https://uploads.strikinglycdn.com/files/85a4fd93-afb9-4cb4-baf5-61cca99b584f/11778311015.pdf
- https://uploads.strikinglycdn.com/files/2ba4a92b-f8e8-40cb-abf0-990695d3282c/6668001633.pdf
- https://uploads.strikinglycdn.com/files/240f8e5f-a304-40d3-9ab5-2d7fee40dca0/wejozes.pdf
- https://uploads.strikinglycdn.com/files/6e598c94-725a-4e89-a33e-65d775a77d92/dejib.pdf
- https://site-1036719.mozfiles.com/files/1036719/42961633259.pdf
- https://site-1040034.mozfiles.com/files/1040034/2959983801.pdf
- https://cdn-cms.f-static.net/uploads/4367633/normal_5f87632c10bce.pdf
- https://cdn-cms.f-static.net/uploads/4366063/normal_5f87360e359f2.pdf
- https://cdn-cms.f-static.net/uploads/4368227/normal_5f8762f4bfa97.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- cdn-cms.f-static.net
- site-1036719.mozfiles.com
- site-1040034.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.112.66
- 57.154.63.210
- 4.150.223.99
- 52.110.12.21
- 4.230.171.124
- 52.168.117.169
- 20.112.250.133
- 135.233.95.144
- 52.123.129.14
- 40.103.64.226
- 72.145.35.105
- 203.26.79.13
- 52.123.252.192
- 142.250.183.35
- 92.223.78.30
- 135.233.45.223
- 172.175.111.170
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report