SUSPICIOUS — normal_5f8785ec85ac0.pdf
SUSPICIOUS — normal_5f8785ec85ac0.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
22e43a41e5ec2379d85c70571eb47c16116b2850089dd44ce81827b2bf084920 - SHA-1:
99490fbec4d5ead2eb46eb75d41da532b12fb83d - MD5:
d8b913d9d8e8cf6984bd7d5d974de5c3 - ssdeep:
768:KgGzpDOpcc9ANOX4EYeWfPJxTg5smQ2BPIzngoD4qrCd/uBT91s2Rhm90y/4zn7:XGFKpAT47BQzngoad/YT9jxy/4zn7 - TLSH:
T19E32AEF74497DD1C7A829F53ADAB02AA748EC68CA036975084CD372CC97C6AD6F00D61 - Submitted as: normal_5f8785ec85ac0.pdf
- File type: pdf · Size: 44474 bytes
- Verdict: suspicious (64/100)
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 64/100 is the fusion of 5 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=frenzied+berserker+3.5+handbook, https://site-1039564.mozfiles.com/files/1039564/pozafoz.pdf, https://site-1043660.mozfiles.com/files/1043660/lavututipipuwawizofidedur.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 (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9842 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
- c.pki.goog
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1ca422f0b292b3c436e36c7da8a0b17721ba8324e59dffb79fb39cc6de637a12 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\04e305425c05ca20ab2dcd6c2d208a73.png -
4fcff89ea16a37eb129665a424fefc992c2ba39b22fced7279528515e46a14a2 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=frenzied+berserker+3.5+handbook
- https://site-1039564.mozfiles.com/files/1039564/pozafoz.pdf
- https://site-1043660.mozfiles.com/files/1043660/lavututipipuwawizofidedur.pdf
- https://site-1043034.mozfiles.com/files/1043034/sujezomobupazusekivobebag.pdf
- https://cdn-cms.f-static.net/uploads/4366028/normal_5f86f9b693b99.pdf
- https://cdn-cms.f-static.net/uploads/4368492/normal_5f8780366b044.pdf
- https://cdn-cms.f-static.net/uploads/4368223/normal_5f877cc596b6d.pdf
- https://cdn-cms.f-static.net/uploads/4366340/normal_5f87620d4a4ea.pdf
- https://cdn-cms.f-static.net/uploads/4365638/normal_5f87057212c09.pdf
- https://cdn-cms.f-static.net/uploads/4368228/normal_5f876a9e68d55.pdf
- https://cdn-cms.f-static.net/uploads/4368506/normal_5f877c1fb48d0.pdf
- https://cdn-cms.f-static.net/uploads/4365540/normal_5f87346686b62.pdf
- https://cdn-cms.f-static.net/uploads/4366993/normal_5f873c7b5229f.pdf
- https://uploads.strikinglycdn.com/files/e3870fee-a760-44f1-91e3-35d1abe9f437/zixaromo.pdf
- https://uploads.strikinglycdn.com/files/9497ae90-a063-462c-9c59-dfd9254b9a89/48178675859.pdf
- https://uploads.strikinglycdn.com/files/fad0f5d7-26ee-4d28-8ccf-3b40fd7e5000/vaseluxitufulekifuvoto.pdf
- https://uploads.strikinglycdn.com/files/70313689-a483-488b-8472-089ad05790ae/26006594917.pdf
- https://uploads.strikinglycdn.com/files/a11bf860-a926-4bd5-9497-fe2d54da705b/4036309958.pdf
- https://uploads.strikinglycdn.com/files/cab7d2a3-ce81-4e4f-95e8-a85227eeb0b5/xugezomukavuzuvo.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/
Embedded domains
- ggtraff.ru
- site-1039564.mozfiles.com
- site-1043660.mozfiles.com
- site-1043034.mozfiles.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.144.132.223
- 4.247.188.233
- 52.110.12.54
- 4.230.171.124
- 74.178.240.51
- 20.231.239.246
- 135.232.92.137
- 52.123.129.14
- 135.233.45.221
- 57.154.63.210
- 74.178.232.29
- 203.26.79.13
- 40.79.163.154
- 52.123.252.194
- 172.217.25.163
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report