MALICIOUS — biruzuxevinolomejuxogoro.pdf
MALICIOUS — biruzuxevinolomejuxogoro.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c9efdc709aae2d7c5f1a2dfea1fd069132f2966d081382baa6d9afd775f23ffd - SHA-1:
aa7f0f66ada00a35cd4fdbcd12074c7828e92e35 - MD5:
e38e4e440b96b7afc03ddbd38e850f3f - ssdeep:
1536:NGFeeNs/83ipL8CFRNFTdWvovm2jfBnnf1QsN99NAWxsqe:QFeeNsA+rREvovmspnnfucAWxm - TLSH:
T17038E0F3415BECCC5E8AB7434DE924985157C78A7132EA801A943BBCC0387BEAF51820 - Submitted as: biruzuxevinolomejuxogoro.pdf
- File type: pdf · Size: 76935 bytes
- Verdict: malicious (72/100)
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 malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 24 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/3752cc86-9b1e-4512-94de-1e6d69ef58ae/8211561912.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=marksman+repeater+vintage, https://site-1039809.mozfiles.com/files/1039809/vinevekujatogamejasi.pdf, https://site-1038999.mozfiles.com/files/1038999/26324463944.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9719 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
- desktop-hsgcbep
- 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\422dd841d82f776f0cf30f4707fd406f.png -
743c33fc171e1a5336d2c28e22521b04f8ffa2b39282392b27747132df52c860 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1bbc354aad54a9754f0dd1ee5b52d50370ba90ee65deaf211020bffd0e7a7f4a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=marksman+repeater+vintage
- https://site-1039809.mozfiles.com/files/1039809/vinevekujatogamejasi.pdf
- https://site-1038999.mozfiles.com/files/1038999/26324463944.pdf
- https://site-1037203.mozfiles.com/files/1037203/bukamuvosuwex.pdf
- https://site-1038505.mozfiles.com/files/1038505/17498108828.pdf
- https://site-1043316.mozfiles.com/files/1043316/negefisavomezo.pdf
- https://uploads.strikinglycdn.com/files/3752cc86-9b1e-4512-94de-1e6d69ef58ae/8211561912.pdf
- https://site-1037113.mozfiles.com/files/1037113/lokobasakosekavemobo.pdf
- https://site-1036848.mozfiles.com/files/1036848/gubenewofit.pdf
- https://site-1036851.mozfiles.com/files/1036851/katugoganafuga.pdf
- https://cdn.shopify.com/s/files/1/0487/8709/5717/files/capitulo_1a_negatives_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/4488/6945/files/19123542053.pdf
- https://cdn.shopify.com/s/files/1/0431/4257/8332/files/banoxotazarobe.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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787741992&P2=404&P3=2&P4=Y9m8%2fmOWhV1pRLvGdtJRMBNdLPB80P9IvdRQ4uH8jixclB8bkeggB2Hnq5pQrkqxCyeAkGjTO3HyezIjJAWPSQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- site-1039809.mozfiles.com
- site-1038999.mozfiles.com
- site-1037203.mozfiles.com
- site-1038505.mozfiles.com
- site-1043316.mozfiles.com
- uploads.strikinglycdn.com
- site-1037113.mozfiles.com
- site-1036848.mozfiles.com
- site-1036851.mozfiles.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.73.31
- 52.123.128.14
- 40.84.97.4
- 4.150.223.102
- 135.232.92.137
- 52.168.117.168
- 20.184.175.19
- 162.159.142.9
- 52.123.252.212
- 52.110.12.37
- 172.215.188.225
- 4.230.171.124
- 52.253.84.76
- 135.233.95.135
- 20.231.239.246
- 52.123.129.14
- 135.234.160.244
- 52.123.252.238
- 72.153.5.97
- 203.26.79.13
- 52.168.112.67
- 74.178.76.44
- 52.148.114.188
- 142.250.195.131
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report