MALICIOUS — normal_5f88d848ec9e3.pdf
MALICIOUS — normal_5f88d848ec9e3.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e8648f8dd86247727ae1ff0d8e7a2ac6d06287bcf6c6905ed059a6b6147b1619 - SHA-1:
beeb70a42be08098c8e2d816073eb9f2c831adc9 - MD5:
3543d7dca62fac5435eb8d2ed2905c4d - ssdeep:
1536:uGF1pYzMYhaINUPI3e2sN2XLdUAdrdv9O:XF1p+HNU8RXLdddrdvI - TLSH:
T14F34BFF3216BDC8D7E4B6B175EEA0519258AC68CB13297A094CC732CC4B86FD6F44921 - Submitted as: normal_5f88d848ec9e3.pdf
- File type: pdf · Size: 54635 bytes
- Verdict: malicious (95/100)
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 95/100 is the fusion of 8 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Contacted 34 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=herpes+simplex+labialis+pdf, https://site-1042347.mozfiles.com/files/1042347/47581163764.pdf, https://site-1040005.mozfiles.com/files/1040005/65939808708.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9753 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- 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
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/31193/files/5ffd1ce86987eb12d49e7679d441a51513dc849671bb996f109da281328be350 -
5ffd1ce86987eb12d49e7679d441a51513dc849671bb996f109da281328be350 - /opt/CAPEv2/storage/analyses/31193/files/ac2ad6f4ac9ead17ae6733bd73824a0be1576c22ba358da850110e5fa3fcbc4d -
ac2ad6f4ac9ead17ae6733bd73824a0be1576c22ba358da850110e5fa3fcbc4d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.wmq5RALZGq -
b70a732c0007c18c7f991f072d9e298ffbb8f67af7c1917113f97ad11236215a
Embedded URLs
- https://gettraff.ru/123?keyword=herpes+simplex+labialis+pdf
- https://site-1042347.mozfiles.com/files/1042347/47581163764.pdf
- https://site-1040005.mozfiles.com/files/1040005/65939808708.pdf
- https://site-1037858.mozfiles.com/files/1037858/98530592423.pdf
- https://uploads.strikinglycdn.com/files/a8f487b9-a7cf-4910-8fb5-9d633d95e1bb/wewaz.pdf
- https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/9b66150382.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/6023986.pdf
- https://uploads.strikinglycdn.com/files/4443789b-ecc2-4a12-abbc-49216bd542e0/relosikolumuke.pdf
- https://uploads.strikinglycdn.com/files/5ed37225-9e5b-4aa5-a179-bf072212cf69/gofazij.pdf
- https://cdn-cms.f-static.net/uploads/4365586/normal_5f8871938adae.pdf
- https://cdn-cms.f-static.net/uploads/4366984/normal_5f878697c868a.pdf
- https://cdn-cms.f-static.net/uploads/4366305/normal_5f871cafab1d6.pdf
- https://cdn-cms.f-static.net/uploads/4366947/normal_5f87fca1d5414.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f88c0afc6e18.pdf
- https://cdn-cms.f-static.net/uploads/4370985/normal_5f88b96f42eb9.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
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- site-1042347.mozfiles.com
- site-1040005.mozfiles.com
- site-1037858.mozfiles.com
- uploads.strikinglycdn.com
- nosekuge.weebly.com
- genigudepa.weebly.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 125.56.205.17
- 4.247.188.233
- 52.110.12.42
- 52.110.12.28
- 4.230.171.124
- 125.56.205.34
- 20.165.94.63
- 74.178.240.51
- 40.99.133.242
- 52.123.129.14
- 40.103.64.226
- 135.234.160.244
- 20.165.94.46
- 203.26.79.13
- 92.223.78.30
- 20.89.1.12
- 74.179.77.204
- 172.178.240.162
- 4.209.250.170
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report