MALICIOUS — normal_5f873d8b4ab7b.pdf
MALICIOUS — normal_5f873d8b4ab7b.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
289b319563c5f82a4814260e350dc3baa0b0b6161d388cded99145431681e319 - SHA-1:
3d60c45854491ac11c12259e17ab0952f03f0786 - MD5:
67c33c12f2fa8531bc5edd1271be2f11 - ssdeep:
768:KgGzpDapyuEq1oMJYIEmpYfQQcLXn3M9iipk1k6Jk7c55iAbvvL3s2kliR4v7y7B:XGF+pyu0C3M9iipk1k3YPrb4hliR4jrS - TLSH:
T1FA328DF310ABEE4C7E8F6B17ADBB11ACA14EC6887036979054887A1DC87C5FD6E10914 - Submitted as: normal_5f873d8b4ab7b.pdf
- File type: pdf · Size: 46867 bytes
- Verdict: malicious (84/100)
Detections (3 of 53 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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366017/normal_5f8715b058a0c.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=passive+voice+pdf+macmillan, https://cdn-cms.f-static.net/uploads/4365627/normal_5f87097f7c780.pdf, https://cdn-cms.f-static.net/uploads/4366055/normal_5f872cbbe1cdb.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
- Extracted generic config (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9703 behavior events · 0 ATT&CK techniques · 3 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
- 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
- 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
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- 250.255.255.239.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\91fffae9884a982cf97f036d0834c13b.png -
c1113d2998b2308a08f5fa20d13796c57efea0f89731d5743a5d7c7da9ff021f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
770bbd13075817db43988f7d3205cbbc7da11c1c5830db070650cff457db0268 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=passive+voice+pdf+macmillan
- https://cdn-cms.f-static.net/uploads/4365627/normal_5f87097f7c780.pdf
- https://cdn-cms.f-static.net/uploads/4366055/normal_5f872cbbe1cdb.pdf
- https://cdn-cms.f-static.net/uploads/4366312/normal_5f8710023f564.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f86f57ba1fe2.pdf
- https://cdn-cms.f-static.net/uploads/4366340/normal_5f871120bb947.pdf
- https://cdn-cms.f-static.net/uploads/4365657/normal_5f86f941aeec3.pdf
- https://cdn-cms.f-static.net/uploads/4366017/normal_5f8715b058a0c.pdf
- https://nesavelo.weebly.com/uploads/1/3/2/3/132303009/9443059.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/metor.pdf
- https://cdn-cms.f-static.net/uploads/4366365/normal_5f871bcebabae.pdf
- https://cdn-cms.f-static.net/uploads/4367000/normal_5f872f676a58d.pdf
- https://cdn-cms.f-static.net/uploads/4366027/normal_5f86fa7d04641.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f8717e4744bf.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f8704b59cd1a.pdf
- https://cdn-cms.f-static.net/uploads/4366377/normal_5f8723867a94a.pdf
- https://uploads.strikinglycdn.com/files/a80ba627-433c-43f8-8f0f-66e8eb3a0efd/73843696509.pdf
- https://uploads.strikinglycdn.com/files/69b8aaa1-b73d-4f7a-bd34-2e49b6005ee7/83221323723.pdf
- https://uploads.strikinglycdn.com/files/0fd27b9f-efd8-4019-9912-db42ddef4242/9039712468.pdf
- https://uploads.strikinglycdn.com/files/112639c8-39dc-46e0-9e02-eb92213ff094/97588601599.pdf
- https://uploads.strikinglycdn.com/files/12e38e9c-7608-48ba-9c64-776f82e28655/57981010197.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
- cdn-cms.f-static.net
- nesavelo.weebly.com
- zoxuzuxebexot.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.215
- 172.172.255.216
- 20.184.175.20
- 52.110.12.20
- 20.247.184.142
- 4.230.171.124
- 135.232.92.137
- 20.184.175.6
- 20.231.239.246
- 52.123.129.14
- 4.150.223.105
- 72.154.7.110
- 203.26.79.13
- 40.84.97.4
- 172.178.240.162
- 135.233.95.80
- 52.178.17.3
- 20.42.73.25
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report