MALICIOUS — fobirusi.pdf
MALICIOUS — fobirusi.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:
fff859f4500c5bd57876a0f3096142df8eb32693f9c51c2d52fa315e9db87592 - SHA-1:
8720aa892b03c0c46800bbf43308b3a417f60b54 - MD5:
271cde595a7373c4fd75bc9f8dfb705f - ssdeep:
1536:NGFYJpUfcUH4Ds/kNFivzrsCPukRx4qoJDWBZJoLERKv9:QF+pUf3KstvUCR4qoJDWB0LsKF - TLSH:
T17435BFF3549BEC8C7A876F435AE711A8A445D6497127C7A098883B2CD4BC6FD7F00A11 - Submitted as: fobirusi.pdf
- File type: pdf · Size: 60912 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 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://files.fly13823640562.com/uploads/1/3/2/8/132814073/gogoti-magirujam-podazotu.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=priceless+artifact+dragon%2527+s+dogma, http://files.goshenartleague.com/uploads/1/3/0/9/130969053/vorow.pdf, http://files.litesquares.com/uploads/1/3/0/9/130969368/00602.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)
9707 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
- c.pki.goog
- desktop-hsgcbep
- v10.events.data.microsoft.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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
977ceb14c28480fbd7c95fc64d7c5fe617806989e6173a554dad35e6151f95e8 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4b61b3e609a81d1b5fba6e0300763b6f.png -
653b6063f63104c4e16e9cbb03c601dba430aaef4a5bebe4fd42d1ea32bce81c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=priceless+artifact+dragon%2527+s+dogma
- http://files.goshenartleague.com/uploads/1/3/0/9/130969053/vorow.pdf
- http://files.litesquares.com/uploads/1/3/0/9/130969368/00602.pdf
- http://files.fly13823640562.com/uploads/1/3/2/8/132814073/gogoti-magirujam-podazotu.pdf
- http://kuvafoga.siobhanmcgibbon.com/uploads/1/3/0/7/130775795/tufaguninilonepugin.pdf
- http://womefu.candgsales.com/uploads/1/3/0/7/130740164/mosafatogu_sudedopuveside.pdf
- https://site-1037121.mozfiles.com/files/1037121/vomalilo.pdf
- https://site-1038532.mozfiles.com/files/1038532/nobexuwevakegumeke.pdf
- https://site-1037115.mozfiles.com/files/1037115/92996974742.pdf
- https://site-1037077.mozfiles.com/files/1037077/3012104386.pdf
- https://site-1038511.mozfiles.com/files/1038511/15373301097.pdf
- https://uploads.strikinglycdn.com/files/0d4ed8a5-28d8-4213-b92a-cc1d4df536eb/piragabodunekimafejaboxi.pdf
- https://uploads.strikinglycdn.com/files/edd059fd-1b4d-4175-962f-697498e41eae/suzugusosafagexaweken.pdf
- https://site-1042101.mozfiles.com/files/1042101/vewefonowidozajumati.pdf
- https://site-1036861.mozfiles.com/files/1036861/gomedojidirodokepinag.pdf
- https://site-1043132.mozfiles.com/files/1043132/94808047233.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
- gettraff.ru
- files.goshenartleague.com
- files.litesquares.com
- files.fly13823640562.com
- kuvafoga.siobhanmcgibbon.com
- womefu.candgsales.com
- site-1037121.mozfiles.com
- site-1038532.mozfiles.com
- site-1037115.mozfiles.com
- site-1037077.mozfiles.com
- site-1038511.mozfiles.com
- uploads.strikinglycdn.com
- site-1042101.mozfiles.com
- site-1036861.mozfiles.com
- site-1043132.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 40.79.167.9
- 52.123.252.215
- 74.179.71.159
- 20.247.184.142
- 20.42.179.204
- 4.230.171.124
- 203.26.79.13
- 20.184.175.5
- 135.233.95.144
- 52.123.129.14
- 4.247.188.224
- 104.208.16.94
- 74.178.76.44
- 142.250.183.35
- 20.184.175.22
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report