MALICIOUS — 4ac9ca44d2f4afaee7aedac046b1ee1888adcf0c985bac2ae4519af67d5d9023
MALICIOUS — 4ac9ca44d2f4afaee7aedac046b1ee1888adcf0c985bac2ae4519af67d5d9023 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
4ac9ca44d2f4afaee7aedac046b1ee1888adcf0c985bac2ae4519af67d5d9023 - SHA-1:
14c9a77d29d286ff5ae5f46cb2662be3dced8587 - MD5:
8f45ee06c8e861098f9e578aaab319cb - ssdeep:
1536:uPsWecK4uRLF/pQpEdLTD1FbqxvJFW4biyrll4aUIO3qnZSWApKaiX8bWspO2jve:jW/K4uR5/upEdL/1MvJFBiOsIO3eZKNm - TLSH:
T11E39E1F31187CD4CB787EF5760B615AC2486E6889022DBA05449FA3CD1BC97E7F14A50 - Submitted as: 4ac9ca44d2f4afaee7aedac046b1ee1888adcf0c985bac2ae4519af67d5d9023
- File type: pdf · Size: 85713 bytes
- Verdict: malicious (95/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 95/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 13 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://archism.ru/uplcv?utm_term=how+to+sign+apk, http://thuonghieutoancau.vn/uploads/files/69797845049.pdf, http://topoint.cc/userfiles/fckFile/20210913095551.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9733 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- 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
- 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
- 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 -
e920b746162d94eb843f0eee1edd8e54123c5bd8ef21d0b40090fc93752a445c - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\13046d56eb2ddc7c8e056f4343b86fe2.png -
d24b49f6149114ad8ed5fe3682fa580693c82e37c891d47ab8a152bdb3965e6c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://archism.ru/uplcv?utm_term=how+to+sign+apk
- http://thuonghieutoancau.vn/uploads/files/69797845049.pdf
- http://topoint.cc/userfiles/fckFile/20210913095551.pdf
- https://metricgroup.it/uploads/file/memapiputediwu.pdf
- https://etcbt.com/userfiles/file/wexapavo.pdf
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/40836167182.pdf
- http://warehousetraining.ie/images/dupafomejor.pdf
- http://nsk-nalogov.net/upload/files/vupupafowiba.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/c76d2r0d38pqlt6cvt88j8pg8p/44882436259.pdf
- http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/13213993648.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/tcvu0e3r8u9al7fvqbrhj8sba3/vatarozigov.pdf
- http://ediliziaunoaventi.com/userfiles/files/82756188406.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bea70f649---daxera.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/3984d57e1f89b933124294b91c5d40a4/gaxopebofugiridifu.pdf
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/duwotemoxali.pdf
- https://halkapsikoloji.net/userfiles/file/ronotudoxilovojaxivefix.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b03905087---25984142107.pdf
- http://as-eng.biz/userfiles/file/29015461654.pdf
- http://shrlie.com/upload_fck/file/2021-9-16/20210916032652566542.pdf
- http://abwingscolley.com/uploads/files/53344088439.pdf
- https://oykufestivali.com/ckfinder/userfiles/files/79624553527.pdf
- http://lanaecoloridabruzzo.it/userfiles/file/wawaturabomosanav.pdf
- http://cungcapbaoduongcuanhatban.com/upload/files/16831051955.pdf
- http://ng-sons.com/userfiles/file/73540667779.pdf
- http://educasters.co/ckfinder/userfiles/files/kofaradufaxedudowibifago.pdf
Embedded domains
- archism.ru
- topoint.cc
- metricgroup.it
- etcbt.com
- midoriku.zaitakunet.jp
- nsk-nalogov.net
- www.olympussverige.se
- ediliziaunoaventi.com
- uaqbakery.com
- www.tonygssoulfood.com
- jilienjrubin.com
- halkapsikoloji.net
- lorenzonimmigrationlaw.com
- as-eng.biz
- shrlie.com
- abwingscolley.com
- oykufestivali.com
- lanaecoloridabruzzo.it
- cungcapbaoduongcuanhatban.com
- ng-sons.com
- educasters.co
- www.w3.org
- purl.org
- ns.adobe.com
- thuonghieutoancau.vn
Embedded IP addresses
- 135.233.95.80
- 52.110.12.45
- 4.230.171.124
- 40.84.85.40
- 20.247.184.197
- 51.104.15.253
- 74.179.77.204
- 52.123.128.14
- 40.104.4.2
- 74.179.71.159
- 203.26.79.13
- 52.123.252.216
- 4.150.223.102
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report