SUSPICIOUS — 36186081038.pdf
SUSPICIOUS — 36186081038.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:
70bd36c0122dfe0b5af5aca1b6ece4a2691bfff4a0e0e3b309f53ca87ead9cff - SHA-1:
51ca189bd9061734ee2a7a8b54a252256fe8e771 - MD5:
2f102bc4f77dfa57c44d2df383e10c50 - ssdeep:
768:vgGzpDwASGLXGLa2bPAccQ12wV7iN3JK2RLaBJP9wH8ZWTpJb+q3sz:YGF8kLtI1F+dJK2RkJP9wc8T+q3sz - TLSH:
T118318DF30087DC8C768AAB43AAEB169D2089D7C9203297A445D9379DC4787FD7E10661 - Submitted as: 36186081038.pdf
- File type: pdf · Size: 39854 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 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=algorithme+pdf+usthb, https://site-1037163.mozfiles.com/files/1037163/lutaxovuv.pdf, https://site-1037205.mozfiles.com/files/1037205/mizukorij.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9724 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 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
- 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 -
94fb472737783b01587ae9c74a37bd57ba36ad2fb48c144a6f6b1603d6866561 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7507afc0bc6bfaf80483f7fc3bdd488f.png -
3cfe542a559fc1668eff22ed59f0252e61b8f447a423b76c7b97da0244fa7d12 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=algorithme+pdf+usthb
- https://site-1037163.mozfiles.com/files/1037163/lutaxovuv.pdf
- https://site-1037205.mozfiles.com/files/1037205/mizukorij.pdf
- https://site-1037122.mozfiles.com/files/1037122/jizogofanavefezubisure.pdf
- https://site-1037212.mozfiles.com/files/1037212/8630626938.pdf
- https://site-1036956.mozfiles.com/files/1036956/73303781858.pdf
- https://cdn.shopify.com/s/files/1/0433/7795/0881/files/25120518569.pdf
- https://cdn.shopify.com/s/files/1/0438/2742/9533/files/a_b_c_2_formula.pdf
- https://cdn.shopify.com/s/files/1/0462/7087/3757/files/bkav_home_2017.pdf
- https://cdn.shopify.com/s/files/1/0435/7878/5951/files/nujutanonuwov.pdf
- https://site-1036695.mozfiles.com/files/1036695/tumoguxura.pdf
- https://site-1037085.mozfiles.com/files/1037085/wirudaxerimimumotokuzo.pdf
- https://cdn.shopify.com/s/files/1/0434/6091/9461/files/37993808261.pdf
- https://cdn.shopify.com/s/files/1/0429/1428/3686/files/44025539814.pdf
- https://cdn.shopify.com/s/files/1/0494/2256/5531/files/32118826411.pdf
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/48551750571.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-1037163.mozfiles.com
- site-1037205.mozfiles.com
- site-1037122.mozfiles.com
- site-1037212.mozfiles.com
- site-1036956.mozfiles.com
- cdn.shopify.com
- site-1036695.mozfiles.com
- site-1037085.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.20
- 52.123.252.226
- 52.110.12.31
- 4.230.171.124
- 20.42.179.192
- 20.184.175.11
- 20.112.250.133
- 135.232.92.137
- 52.123.129.14
- 40.99.133.242
- 203.26.79.13
- 52.123.252.233
- 74.179.71.159
- 48.192.143.121
- 51.104.15.252
- 51.11.192.48
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report