SUSPICIOUS — normal_5f8800042d4a1.pdf
SUSPICIOUS — normal_5f8800042d4a1.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (50/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
6c054bb76ad19abd828458b9c91e0a2bdfda152d9d6d3e5efb438c4cf83bc487 - SHA-1:
d4fe81d4c0feb4a86c4ad1ff05091bd5bc72b849 - MD5:
18177631ae4a1f32d99926624ef794d3 - ssdeep:
1536:vGFFevmHeG6mXXy3tYAndP27HolP5D+O:eFFeYezK++AndPYEz - TLSH:
T18E348DF36497DD8C7D879B839CF70459648A9288322397A044C8BB6DC43C6ADBF10961 - Submitted as: normal_5f8800042d4a1.pdf
- File type: pdf · Size: 55027 bytes
- Verdict: suspicious (50/100)
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 suspicious score of 50/100 is the fusion of 5 weighted signals:
- Embedded network infrastructure: https://cctraff.ru/123?keyword=conjugaison+verbe+anglais+francais+pdf, https://uploads.strikinglycdn.com/files/d2f4de59-719e-4c9a-9e59-353e5ed0faba/fivobiditu.pdf, https://uploads.strikinglycdn.com/files/634f0207-f165-4475-adde-60c831be30f3/xusibodojuwif.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
- Contacted 17 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9629 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
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 20.190.167.65
- 4.150.223.115 US · Des Moines · AS8075 Microsoft Corporation
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
791a3b4a80dc93bed8fba2326406544747800d47ed9d2eb8a495f2d5bcd68df2 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d18bbb0d1ba153c65873e7e476c9122b.png -
cfbd9b6ede2938def4ce1d6841e39ad0ec85d7d3f85c86952942dd012dc46fd2 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=conjugaison+verbe+anglais+francais+pdf
- https://uploads.strikinglycdn.com/files/d2f4de59-719e-4c9a-9e59-353e5ed0faba/fivobiditu.pdf
- https://uploads.strikinglycdn.com/files/634f0207-f165-4475-adde-60c831be30f3/xusibodojuwif.pdf
- https://uploads.strikinglycdn.com/files/ff681957-7c6f-4041-b2d3-8e58c8d1e97d/46371236383.pdf
- https://uploads.strikinglycdn.com/files/f302c0c0-f629-4f0e-a607-1fc05b9a3bb0/pidazasikepiwi.pdf
- https://uploads.strikinglycdn.com/files/0ced181a-97d8-460b-a715-562cf0f04d4f/lidosikuzevoso.pdf
- https://site-1038943.mozfiles.com/files/1038943/zewusizajafakiwuwer.pdf
- https://site-1039534.mozfiles.com/files/1039534/rogewidu.pdf
- https://site-1042451.mozfiles.com/files/1042451/teserivedaketabonejeta.pdf
- https://site-1042788.mozfiles.com/files/1042788/91753158402.pdf
- https://site-1037094.mozfiles.com/files/1037094/lovirutudepuvufo.pdf
- https://uploads.strikinglycdn.com/files/d30b46d4-2af6-4496-940f-cc8f0cc39eb8/7229050078.pdf
- https://uploads.strikinglycdn.com/files/24f12928-d200-4f83-beed-1e1b3bf7245f/52411500055.pdf
- https://uploads.strikinglycdn.com/files/dca9b936-1c0f-40cb-b361-ddaaba16acc7/32786932079.pdf
- https://uploads.strikinglycdn.com/files/62b3e5df-1533-41b9-8818-90f8e3cc29b3/jowujamatojanodu.pdf
- https://cdn-cms.f-static.net/uploads/4366625/normal_5f875ee309349.pdf
- https://cdn-cms.f-static.net/uploads/4368469/normal_5f87a8c413b02.pdf
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f8763faa2e87.pdf
- https://site-1039456.mozfiles.com/files/1039456/lixenateravalasonuraba.pdf
- https://site-1037193.mozfiles.com/files/1037193/34347515204.pdf
- https://site-1040174.mozfiles.com/files/1040174/binufezat.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
- uploads.strikinglycdn.com
- site-1038943.mozfiles.com
- site-1039534.mozfiles.com
- site-1042451.mozfiles.com
- site-1042788.mozfiles.com
- site-1037094.mozfiles.com
- cdn-cms.f-static.net
- site-1039456.mozfiles.com
- site-1037193.mozfiles.com
- site-1040174.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.115
- 85.210.196.11
- 52.110.12.21
- 4.230.171.124
- 135.232.92.137
- 20.42.65.89
- 40.99.133.226
- 20.50.201.204
- 52.123.129.14
- 40.103.64.242
- 40.103.64.226
- 92.223.78.30
- 74.178.76.44
- 20.165.94.63
- 52.123.252.222
- 52.168.117.168
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report