MALICIOUS — normal_5f890dea6709c.pdf
MALICIOUS — normal_5f890dea6709c.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:
2e9333f207cce0fe118b2e57efa651973fb67a542f7d4ac910acf6a9948cb02a - SHA-1:
fa3dcd70683d6e1b85e3739e41c5ee853904eef3 - MD5:
2e23dd0758ffffb5a5663633b22537c1 - ssdeep:
768:VgGzpDMpbzjz+KBIoCbwF8UKJjVIBsT4eUDdS6McA/HcVhKlZ:GGFYppCbPUqh8sT45Dg6McA/GhKlZ - TLSH:
T197328DF300DBEC4C7A8BAF036DDB0499A086D38D71339750599C666CD4B86EDBE10A61 - Submitted as: normal_5f890dea6709c.pdf
- File type: pdf · Size: 44306 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/700ee4f6-5b54-40a6-bb84-52bfb0766e24/90050916294.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=distributed+computing+textbook+pdf, https://site-1040182.mozfiles.com/files/1040182/18095417194.pdf, https://site-1042607.mozfiles.com/files/1042607/mitivazalimi.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9693 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
- ntp.ubuntu.com
- 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
- 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
- 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d813b3947581eda32c52d61825567e763007bcdce0d04ee8fb317f64dae2fa5c - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f4955a5d1d78b17bc3d338cb44c671da.png -
58fd915d96562223332dd010967d52b016f1f176f07b91ae5f05926d32bab1e8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=distributed+computing+textbook+pdf
- https://site-1040182.mozfiles.com/files/1040182/18095417194.pdf
- https://site-1042607.mozfiles.com/files/1042607/mitivazalimi.pdf
- https://site-1039768.mozfiles.com/files/1039768/93662318634.pdf
- https://site-1036920.mozfiles.com/files/1036920/wipem.pdf
- https://site-1040528.mozfiles.com/files/1040528/89015209839.pdf
- https://cdn.shopify.com/s/files/1/0497/3586/0378/files/tiziwu.pdf
- https://cdn.shopify.com/s/files/1/0481/6417/6021/files/95797190069.pdf
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/domoloxazugubiku.pdf
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/ea1eadc07ab.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/duwivif.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1158663.pdf
- https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/waluwuwudof.pdf
- https://uploads.strikinglycdn.com/files/700ee4f6-5b54-40a6-bb84-52bfb0766e24/90050916294.pdf
- https://uploads.strikinglycdn.com/files/17040bb2-5a5d-4c8e-9676-b950d052ad51/zoxokonapew.pdf
- https://uploads.strikinglycdn.com/files/22dd7707-bc91-4ae3-96a1-8486b8ee8a1f/zofutavidi.pdf
- https://cdn.shopify.com/s/files/1/0496/3414/8501/files/kpop_idol_diet_tips.pdf
- https://cdn.shopify.com/s/files/1/0484/7134/3266/files/ganpati_atharvashirsha_in_english.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdf
- https://lupolaluxu.weebly.com/uploads/1/3/2/6/132681144/4c15ffe3c7d14.pdf
- https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/gapit-galijawijekinik-kedafel.pdf
- https://jabiratunibi.weebly.com/uploads/1/3/2/6/132683422/jujogarapogaber-roranisog-puvira-luxezux.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/
Embedded domains
- cctraff.ru
- site-1040182.mozfiles.com
- site-1042607.mozfiles.com
- site-1039768.mozfiles.com
- site-1036920.mozfiles.com
- site-1040528.mozfiles.com
- cdn.shopify.com
- xojerajap.weebly.com
- genigudepa.weebly.com
- dutitujazekap.weebly.com
- buliduxefexefux.weebly.com
- uploads.strikinglycdn.com
- guwomenod.weebly.com
- lupolaluxu.weebly.com
- pigogokeda.weebly.com
- jabiratunibi.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 135.232.92.137
- 92.223.78.30
- 48.211.4.16
- 20.165.94.46
- 52.110.12.2
- 4.230.171.124
- 52.253.84.76
- 72.153.5.134
- 203.26.79.13
- 135.233.95.144
- 135.233.95.135
- 20.231.239.246
- 40.103.64.226
- 52.123.129.14
- 52.123.128.14
- 40.99.133.242
- 52.123.252.220
- 172.178.240.163
- 4.150.223.96
- 4.209.250.170
- 20.184.175.8
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report