MALICIOUS — 1901339.pdf
MALICIOUS — 1901339.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100). 2 of 23 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
3f3fa49f95825c1f5c3394aec4083fac3a44c46dc9951b56d8b7f078e4bbbae9 - SHA-1:
9404896fd08a06b9f2c08da33c1120329a103a2a - MD5:
a119fd5394a5d259974da3a553f560be - ssdeep:
768:1gGzpDMpTouxAzFFqoDZec+tqbKDHoFW8qrISIgls3Q7h92Vhu/rD:mGFIpUdzFFquBFYIgls3QtEe/rD - TLSH:
T190317DF350A7ED8C7E8BAB477EB712986449D7487127979054C83B2CC4B86BE2F00961 - Submitted as: 1901339.pdf
- File type: pdf · Size: 40572 bytes
- Verdict: malicious (93/100)
Detections (2 of 23 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
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 28 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/8c7cee05-c936-485b-93c2-498d0780ef73/80174642302.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=bach%20bourree%20in%20e%20minor%20guitar%20tab%20pdf, https://uploads.strikinglycdn.com/files/8c7cee05-c936-485b-93c2-498d0780ef73/80174642302.pdf, https://uploads.strikinglycdn.com/files/1260c9d2-d059-4618-9bea-c489c5c58c3c/viwepusobujuku.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)
9679 behavior events · 1 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
Dropped files
- /opt/CAPEv2/storage/analyses/25417/files/9f6407391a4e58b5041d70edba1e59c90656c4225ea975bde5c1eac23ce17aef -
9f6407391a4e58b5041d70edba1e59c90656c4225ea975bde5c1eac23ce17aef - /opt/CAPEv2/storage/analyses/25417/files/640737da188c6f85d575af5f28dd4496fd8058ff7b40d17beba4000b41fa347f -
640737da188c6f85d575af5f28dd4496fd8058ff7b40d17beba4000b41fa347f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.reFuU44hFq -
6a6906775f82e813a9087e31bf387b327e553668f9dd2651493abd7fc12f22b5
Embedded URLs
- https://ggtraff.ru/wb?keyword=bach%20bourree%20in%20e%20minor%20guitar%20tab%20pdf
- https://uploads.strikinglycdn.com/files/8c7cee05-c936-485b-93c2-498d0780ef73/80174642302.pdf
- https://uploads.strikinglycdn.com/files/1260c9d2-d059-4618-9bea-c489c5c58c3c/viwepusobujuku.pdf
- https://uploads.strikinglycdn.com/files/66085803-1170-42c4-b5d7-b5b3888b1bc0/34239912381.pdf
- https://uploads.strikinglycdn.com/files/baefa2e7-68d2-486b-995a-f14b91691872/58048631030.pdf
- https://cdn-cms.f-static.net/uploads/4374860/normal_5f8af30ded469.pdf
- https://cdn-cms.f-static.net/uploads/4370265/normal_5f8b9618329da.pdf
- https://cdn-cms.f-static.net/uploads/4368964/normal_5f8c1908b78d2.pdf
- https://cdn-cms.f-static.net/uploads/4393762/normal_5f8ece7a0d1ae.pdf
- https://cdn-cms.f-static.net/uploads/4394062/normal_5f8f5b10f13e6.pdf
- https://cdn-cms.f-static.net/uploads/4368732/normal_5f89f84eb4078.pdf
- https://cdn-cms.f-static.net/uploads/4377388/normal_5f8cefdebe949.pdf
- https://cdn-cms.f-static.net/uploads/4376854/normal_5f89ec542e97b.pdf
- https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/51cf9.pdf
- https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/tarapumolabem.pdf
- https://uploads.strikinglycdn.com/files/7c5b1c7e-2bf0-4236-9bdb-72eaf1d269c9/82728532946.pdf
- https://uploads.strikinglycdn.com/files/8b05b6d0-d8ef-4d41-b397-cba62f56b9ae/sims_4_breast_slider_mod.pdf
- https://uploads.strikinglycdn.com/files/8bf58bbc-e262-4e4b-81d3-c6f6a8ecea68/22508229709.pdf
- https://uploads.strikinglycdn.com/files/8e9265c8-4377-4e63-bda5-c69b8cbb82c4/xijevavolodan.pdf
- https://cdn-cms.f-static.net/uploads/4384030/normal_5f8f8c6355c89.pdf
- https://cdn-cms.f-static.net/uploads/4386079/normal_5f8ff5c9efb9a.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
- ggtraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- runebipunozup.weebly.com
- jukafubu.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.24
- 40.79.150.123
- 20.247.184.142
- 74.178.240.61
- 40.79.167.9
- 162.159.142.9
- 52.123.128.14
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report