MALICIOUS — nowoxex.pdf
MALICIOUS — nowoxex.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:
a1382fff6352ecedf6557405f10710722f22ca4fd59f01cf42117c469e9d3435 - SHA-1:
202c57bd8a388bc8ffd599b9e1689f3ef7b4f2d5 - MD5:
d593bc1a023f0bdefff0cb01617b95d0 - ssdeep:
1536:UGFFTNUpD6hf7C3Dq2Bl+oWLFZ67IKuK5vw:hFFepD6hf7C3e7P2IKW - TLSH:
T19E34AFF3909BDC8D3AC7DB9359EA12582106C6CC7133A1A499C4266CC5F86FD2F50A70 - Submitted as: nowoxex.pdf
- File type: pdf · Size: 55484 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 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://files.nrgphotography.com/uploads/1/3/0/7/130776272/5038336.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/strik?keyword=valores+maximos+y+minimos+de+una+funcion, https://cdn.shopify.com/s/files/1/0432/7024/2460/files/75094381308.pdf, https://cdn.shopify.com/s/files/1/0483/6209/4741/files/sosaxoniredufenedixogedit.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9835 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
- 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
- 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 -
06f55799d3d625c05d0e55b0e4efe1a2097eca0b56ed08c5c3ac89fba9153be1 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\84858f4ca6c4bd4aee0df8d08db10485.png -
7bbcacfc61c965e175a1446990491710e6936459499705b6d401f73a0ea8d057 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?keyword=valores+maximos+y+minimos+de+una+funcion
- https://cdn.shopify.com/s/files/1/0432/7024/2460/files/75094381308.pdf
- https://cdn.shopify.com/s/files/1/0483/6209/4741/files/sosaxoniredufenedixogedit.pdf
- https://cdn.shopify.com/s/files/1/0461/6182/1859/files/30955467041.pdf
- https://site-1038600.mozfiles.com/files/1038600/ranudonesa.pdf
- https://site-1043337.mozfiles.com/files/1043337/355509103.pdf
- https://site-1038932.mozfiles.com/files/1038932/gomezoreworuzivi.pdf
- https://site-1037251.mozfiles.com/files/1037251/vezogakipi.pdf
- https://site-1036796.mozfiles.com/files/1036796/63592678483.pdf
- https://site-1037141.mozfiles.com/files/1037141/94267044162.pdf
- https://site-1039674.mozfiles.com/files/1039674/gesevoxigo.pdf
- http://files.nrgphotography.com/uploads/1/3/0/7/130776272/5038336.pdf
- http://files.4everinelectricdreams.com/uploads/1/3/1/0/131070581/415355.pdf
- http://foxot.splendidgh.org/uploads/1/3/1/3/131398140/soxagujusowagakenu.pdf
- http://files.malaysia-places.com/uploads/1/3/0/7/130776263/4989912.pdf
- http://files.protutorapps.com/uploads/1/3/2/6/132681823/supapexar_murenasexiguwat_vejobefugeni_tozijadunu.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
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- ggtraff.ru
- cdn.shopify.com
- site-1038600.mozfiles.com
- site-1043337.mozfiles.com
- site-1038932.mozfiles.com
- site-1037251.mozfiles.com
- site-1036796.mozfiles.com
- site-1037141.mozfiles.com
- site-1039674.mozfiles.com
- files.nrgphotography.com
- files.4everinelectricdreams.com
- foxot.splendidgh.org
- files.malaysia-places.com
- files.protutorapps.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.215.188.232
- 135.232.92.137
- 52.110.12.4
- 52.110.12.3
- 4.230.171.124
- 4.155.94.154
- 20.42.73.27
- 20.236.44.162
- 135.233.95.144
- 52.123.129.14
- 40.103.64.226
- 135.232.92.34
- 203.26.79.13
- 172.178.240.161
- 92.223.78.30
- 20.184.175.6
- 135.233.45.221
- 48.199.12.1
- 52.148.114.188
- 142.250.195.163
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report