MALICIOUS — normal_5f87ac09636dc.pdf
MALICIOUS — normal_5f87ac09636dc.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c2651faac06529973351c597838f33fffc1abd3320cad8df706a2c2d489e7c68 - SHA-1:
c6a49ae53750b1e1f80b9d96f9b6418695a36ee0 - MD5:
d6432d1928c67e22fade392ec87a8d11 - ssdeep:
768:jgGzpDnetmfLlUo0oLj/FNwGF+m5e9g+OLSGiwNsrG+OUWVBQQLrF8dXFEwlDmC:cGFbeiLo6+QVD+OUWVBQQGdXC6DmC - TLSH:
T1A8349EF3619BDC8CBA879B03ADFA2525614AC7886133DB9044897B6CD5BC57CAF10920 - Submitted as: normal_5f87ac09636dc.pdf
- File type: pdf · Size: 52536 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 22 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/7d318663-1955-4f98-9caa-bba1cf0e009e/rafurubitajurejapeluxisuz.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=download+aplikasi+du+recorder+apkpure, https://cdn-cms.f-static.net/uploads/4368760/normal_5f87a35517011.pdf, https://cdn-cms.f-static.net/uploads/4366646/normal_5f876c8cb5da9.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9776 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
- 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
- 252.0.0.224.in-addr.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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9eaf0be98b916db58aa77a5b9882f2ea545afc1bbdcaa6667c01e669037621d2 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a8593a8d65ded3e936089ff13b405f7e.png -
c489fade745ab549d3798d8317bb084b74e0df4ef53987fa9e0db18dc7a6d6b1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=download+aplikasi+du+recorder+apkpure
- https://cdn-cms.f-static.net/uploads/4368760/normal_5f87a35517011.pdf
- https://cdn-cms.f-static.net/uploads/4366646/normal_5f876c8cb5da9.pdf
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f875ff33d87d.pdf
- https://cdn-cms.f-static.net/uploads/4366362/normal_5f876eae78f5a.pdf
- https://uploads.strikinglycdn.com/files/7d318663-1955-4f98-9caa-bba1cf0e009e/rafurubitajurejapeluxisuz.pdf
- https://cdn.shopify.com/s/files/1/0484/3588/8296/files/gegezibapiriwupavifami.pdf
- https://cdn.shopify.com/s/files/1/0486/5274/6920/files/auburn_academic_calendar_2018.pdf
- https://cdn.shopify.com/s/files/1/0428/5952/8355/files/49494462713.pdf
- https://cdn.shopify.com/s/files/1/0500/0449/2438/files/tujulesunedal.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0528/files/minecraft_set_home_1.16.pdf
- https://site-1039535.mozfiles.com/files/1039535/fezetadowudag.pdf
- https://site-1038783.mozfiles.com/files/1038783/85812138290.pdf
- https://site-1038789.mozfiles.com/files/1038789/17420632707.pdf
- https://site-1043766.mozfiles.com/files/1043766/79014312352.pdf
- https://site-1036640.mozfiles.com/files/1036640/54814831919.pdf
- https://cdn-cms.f-static.net/uploads/4365591/normal_5f871535ec47b.pdf
- https://cdn-cms.f-static.net/uploads/4366364/normal_5f8767e46b1b9.pdf
- https://site-1040981.mozfiles.com/files/1040981/gisageriziguj.pdf
- https://site-1038675.mozfiles.com/files/1038675/60855645973.pdf
- https://site-1040242.mozfiles.com/files/1040242/jenefojunebiloxekegofaxul.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
- cctraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1039535.mozfiles.com
- site-1038783.mozfiles.com
- site-1038789.mozfiles.com
- site-1043766.mozfiles.com
- site-1036640.mozfiles.com
- site-1040981.mozfiles.com
- site-1038675.mozfiles.com
- site-1040242.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.112
- 172.172.255.216
- 135.232.92.34
- 52.110.12.48
- 20.247.184.197
- 4.230.171.124
- 72.154.7.109
- 57.154.63.210
- 203.26.79.13
- 52.123.252.204
- 20.184.175.4
- 20.165.94.54
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 40.99.133.242
- 92.223.78.30
- 135.233.95.144
- 172.178.240.162
- 172.175.111.170
- 4.150.223.106
- 20.42.65.85
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report