MALICIOUS — ac33778c3bcff5b8df54b28ea828087a037dbfb264059d4384a0040a6784d849
MALICIOUS — ac33778c3bcff5b8df54b28ea828087a037dbfb264059d4384a0040a6784d849 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 3 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
ac33778c3bcff5b8df54b28ea828087a037dbfb264059d4384a0040a6784d849 - SHA-1:
53a60ad9e15e96bbc4ca93a569e0a990da2e5539 - MD5:
335f082c1d74533850639e81b1de8bc0 - ssdeep:
1536:7/WDTaOkzHDDKpjkI1OpnEQR32W2nF0RY4mzZUm+TRULxWspOTPcNHqx0oLWR6JA:6DG3zHnKpjkR3V2FT4mzZUm+tO4T05qy - TLSH:
T1C738E1F710479C8CBB9B99476CE312A9D24DE3EC76E6E1A49448D728403C5BEB816F01 - Submitted as: ac33778c3bcff5b8df54b28ea828087a037dbfb264059d4384a0040a6784d849
- File type: pdf · Size: 81867 bytes
- Verdict: malicious (98/100)
Detections (3 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded link rated suspicious by URL analysis: https://kopari.hu/files/file/24386329836.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://infrive.ru/uplcv?utm_term=night+terrors+ages, http://hurtmar.pl/Upload/file/79565527323.pdf, http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/825262acb3e796a33ca4c087006f2465/11370024833.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 11 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1006 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- 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
- 20.190.167.19
- 52.123.252.243 AU · Sydney · AS8075 Microsoft Corporation
- 52.110.12.1 US · AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
- 52.110.12.25 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 172.215.188.225 US · San Antonio · AS8075 Microsoft Limited
- 23.33.238.102
- 23.33.238.106
- 52.178.17.2 NL · Amsterdam · AS8075 Microsoft Corporation
- 4.150.223.112 US · Des Moines · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://infrive.ru/uplcv?utm_term=night+terrors+ages
- http://hurtmar.pl/Upload/file/79565527323.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/825262acb3e796a33ca4c087006f2465/11370024833.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078e27860112---wunibul.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077dbc015ff9---gajumura.pdf
- http://naturabliskociebie.pl/userfiles/file/pawadapuvoribisanavakugev.pdf
- https://kopari.hu/files/file/24386329836.pdf
- http://www.vandiestbrandstoffen.be/uploads/files/jiluxetegoni.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607caa115ffd8---63147504356.pdf
- http://dajuicebarus.com/uploads/files/91050691679.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/da7f3b546a966c7607d3ff967240b6c6/fufawuxobomepotowu.pdf
- http://geobrofab.com/clients/d/da/da7cd3953015cd63472398095fc1fcdd/File/35068578300.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/f5fdac603cc6f6d7f24b807223242b87/57319363983.pdf
- http://ketoanantamhcm.com/uploads/files/gebivipizanirip.pdf
- https://store-connector.com/_upload_bilder/_filemanager/file/3147153350.pdf
- https://atamergranit.com/userfiles/file/14474798209.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/2dda0c6d1bae07424d7f5c92aa17edd0/vevopuforumozevog.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- infrive.ru
- hurtmar.pl
- ljhalls.com
- reiki-roots.co.uk
- www.kasekimi.com
- naturabliskociebie.pl
- www.vandiestbrandstoffen.be
- frontiersneurophotonics.org
- dajuicebarus.com
- wurstfargo.com
- geobrofab.com
- ketoanantamhcm.com
- store-connector.com
- atamergranit.com
- useoneconvo.com
- kopari.hu
- sf-tfi-pgu.uz
Embedded IP addresses
- 172.215.188.232
- 52.123.252.243
- 52.110.12.1
- 52.110.12.25
- 4.230.171.124
- 172.215.188.225
- 52.178.17.2
- 4.150.223.112
- 20.247.184.197
- 74.179.77.204
- 72.154.7.103
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report