SUSPICIOUS — 7997964738.pdf
SUSPICIOUS — 7997964738.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8e76c3a9371a1909e2b53e69ce66046b009dc57dcc9bcdceac88016bab4120e3 - SHA-1:
1953bcfd30d6c5a71bd572e0def79aa9dffc6bf5 - MD5:
a453ee1c3284afbba86ab254c1e3d1f8 - ssdeep:
768:RgGzpDfNQULjZE7tfHajwm4+pvQ/TFtgIe7sH/WBsIOj3KNVnlCZuaSm:iGFTNlyZvbepvQLQIOsH+UD+VgZuaSm - TLSH:
T14C34BEF35097EE8CA68B6F076EAA14885095D34C6173A750049D776DD4BC3FC3E948A0 - Submitted as: 7997964738.pdf
- File type: pdf · Size: 52818 bytes
- Verdict: suspicious (64/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 23 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=vitamin+b12+deficiency+anaemia+pdf, https://site-1037122.mozfiles.com/files/1037122/nabanezonitoraruk.pdf, https://site-1036681.mozfiles.com/files/1036681/37065286283.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9679 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
- 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
- 250.255.255.239.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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- 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\sumatrapdfcache\0624d99f3f39ac8e2ae807c59761300a.png -
4a5da436c8c624f004170f1f4e7c7ed3be181371005da31f2eb0fefa9d820c07 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
8a67b45e859783d9d9b02d2cdad590ac9e379c5ee1d06e15755cd70b6041aefe - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=vitamin+b12+deficiency+anaemia+pdf
- https://site-1037122.mozfiles.com/files/1037122/nabanezonitoraruk.pdf
- https://site-1036681.mozfiles.com/files/1036681/37065286283.pdf
- https://site-1039877.mozfiles.com/files/1039877/19877921081.pdf
- https://site-1039129.mozfiles.com/files/1039129/rotuzara.pdf
- https://site-1037152.mozfiles.com/files/1037152/bufiburi.pdf
- https://site-1037125.mozfiles.com/files/1037125/17059630867.pdf
- https://site-1037215.mozfiles.com/files/1037215/33444080333.pdf
- https://site-1036659.mozfiles.com/files/1036659/83054897834.pdf
- https://site-1038796.mozfiles.com/files/1038796/gunesopupemabafowe.pdf
- https://site-1036637.mozfiles.com/files/1036637/11605021451.pdf
- https://site-1036936.mozfiles.com/files/1036936/mewalokupadixorebused.pdf
- https://site-1036884.mozfiles.com/files/1036884/pebazegelisametozu.pdf
- https://site-1037276.mozfiles.com/files/1037276/5722866522.pdf
- https://site-1039308.mozfiles.com/files/1039308/sewot.pdf
- https://site-1037113.mozfiles.com/files/1037113/fupegalut.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
- cctraff.ru
- site-1037122.mozfiles.com
- site-1036681.mozfiles.com
- site-1039877.mozfiles.com
- site-1039129.mozfiles.com
- site-1037152.mozfiles.com
- site-1037125.mozfiles.com
- site-1037215.mozfiles.com
- site-1036659.mozfiles.com
- site-1038796.mozfiles.com
- site-1036637.mozfiles.com
- site-1036936.mozfiles.com
- site-1036884.mozfiles.com
- site-1037276.mozfiles.com
- site-1039308.mozfiles.com
- site-1037113.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.65.89
- 4.150.223.108
- 4.150.223.111
- 135.232.92.137
- 4.150.223.109
- 172.172.255.216
- 172.66.2.5
- 4.150.223.98
- 52.123.252.227
- 4.144.132.223
- 52.110.12.3
- 4.230.171.124
- 74.179.77.204
- 20.184.175.11
- 74.178.76.44
- 72.154.7.106
- 203.26.79.13
- 40.99.133.242
- 52.123.129.14
- 52.123.128.14
- 135.234.160.246
- 20.42.65.84
- 172.170.180.133
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report