MALICIOUS — 1608714a42da77---nudami.pdf
MALICIOUS — 1608714a42da77---nudami.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4ed8bfd2b402b8060902c12b38b44a15bd830e0bf947e2c4316b7cae2d92b2c5 - SHA-1:
fe2f7bcf9ac884c91e929ef80ec260cf485adcdf - MD5:
42486150aef45a0810a9878291bf122a - ssdeep:
3072:/eqLzQyiuQ5x53E1kAbAo6k0XOOvUz7aNFVzLEJbQ40GGG2I:/7Viukx5UPT0eOvUCNFVsbQ5nG - TLSH:
T1C33FF1F3A08BDD8DB6DA6B037AFB2919168CDA887171B2341404FB2CD4BC2ED6E51550 - Submitted as: 1608714a42da77---nudami.pdf
- File type: pdf · Size: 150151 bytes
- Verdict: malicious (96/100)
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 96/100 is the fusion of 7 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 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://www.uts.cw/sites/default/files/webform/nufideleze.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://www.a1touchsolution.nl/sites/default/files/95216779236.pdf, https://aboss.by/sites/default/files/webform/zivexovoburowunaxomenip.pdf, https://www.ofalloncasting.com/sites/default/files/webform/68138040624.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9890 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
- desktop-hsgcbep._dosvc._tcp.local
- 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
- 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
- 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
- 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 -
9890a1c40f4ffcc50f635272b7e8f6dec7557f2ade7ab880407737c5f8e732bb - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\0ab375d3d291101a4c34db85df5335c1.png -
590a3ef4cbaf00e667765150192561911a3f2d9c641a846564b0edaafa010910 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+data+analysis+in+excel+office+365
- https://www.a1touchsolution.nl/sites/default/files/95216779236.pdf
- https://aboss.by/sites/default/files/webform/zivexovoburowunaxomenip.pdf
- https://www.ofalloncasting.com/sites/default/files/webform/68138040624.pdf
- https://www.uts.cw/sites/default/files/webform/nufideleze.pdf
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/40110328039.pdf
- https://www.natsihwa.org.au/sites/default/files/webform/xugapovapoz.pdf
- https://umatter.princeton.edu/system/files/webform/requests/tutoturabawukaxubudevodor.pdf
- http://cicatsalud.com/html/sites/default/files/webform/28693943460.pdf
- https://campusrec.princeton.edu/system/files/webform/47045932069.pdf
- https://umatter.princeton.edu/system/files/webform/requests/roporopapoviz.pdf
- https://vectorcorp.net/sites/default/files/webform/resume/sabaw.pdf
- https://www.uts.cw/sites/default/files/webform/pugixenarewowu.pdf
- https://www.termis.org/system/files/webform/vomijalikuwukilowerosi.pdf
- http://seiary.com/sites/default/files/webform/rec/11252708720.pdf
- https://www.termis.org/system/files/webform/manejuwavujegajejumoxak.pdf
- http://www.friendlycc.com/sites/default/files/webform/47778491084.pdf
- https://ambrose.edu/sites/default/files/webform/93854264345.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/
- http://www.msftconnecttest.com/connecttest.txt
Embedded domains
- feedproxy.google.com
- www.a1touchsolution.nl
- www.ofalloncasting.com
- www.natsihwa.org.au
- umatter.princeton.edu
- cicatsalud.com
- campusrec.princeton.edu
- vectorcorp.net
- www.termis.org
- seiary.com
- www.friendlycc.com
- ambrose.edu
- www.w3.org
- purl.org
- ns.adobe.com
- aboss.by
- www.uts.cw
- klm3fg.grhosting.cz
Embedded IP addresses
- 85.210.193.152
- 52.168.112.66
- 20.42.65.91
- 52.110.12.10
- 52.110.12.51
- 4.230.171.124
- 57.155.104.224
- 4.144.132.223
- 135.233.95.135
- 20.231.239.246
- 20.165.94.63
- 52.123.128.14
- 40.104.4.2
- 203.26.79.13
- 135.233.45.221
- 52.123.252.231
- 52.123.252.235
- 135.232.92.34
- 52.148.114.188
- 92.223.78.30
File paths
- y:\n/8)A
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report