SUSPICIOUS — 37214344631.pdf
SUSPICIOUS — 37214344631.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
9a1ea116c86dd92309c6970d9b15c0491c14ca27eb80f6f105aa768431d0321b - SHA-1:
f1e6364cf4ce72f1582fce02bb2014e37333c4c1 - MD5:
6075bee3a93c63d9128044f6a6aa0f60 - ssdeep:
768:/gGzpDFqeebLx16MT7/TWriYE45X0Yb/EqUlnF6gQE+PM/jUZRd0PSih4g/QF:IGFxm1XT/2iaak/zCFqfPaUZRCSih4gW - TLSH:
T12532AFF714D7ED4C7A879B03ADAA256A2149C3883633976154CC772DD8BC2BE6F40860 - Submitted as: 37214344631.pdf
- File type: pdf · Size: 45730 bytes
- Verdict: suspicious (66/100)
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 suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/51687aec-d672-49a9-8912-3358a2a954d9/21624247503.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=esc+guidelines+atrial+fibrillation+2018+pdf, https://uploads.strikinglycdn.com/files/51687aec-d672-49a9-8912-3358a2a954d9/21624247503.pdf, https://uploads.strikinglycdn.com/files/e9eaf50c-896e-420d-8bdf-391334e1d93b/tubevoruwoturilowabi.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Contacted 16 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9795 behavior events · 1 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
- 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
- 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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 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
- 23.40.52.209
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b87e014bd9d15c7f6fa1895962a4f736598399a590e95f2a2e9d5878dba23d33 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c12f8ea3f37d3b3db593cb17a24ac8ec.png -
f575cefc2363ca7333465c5f3725d9665a477dc8b8932029107faf5ffe88fdb5 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=esc+guidelines+atrial+fibrillation+2018+pdf
- https://uploads.strikinglycdn.com/files/51687aec-d672-49a9-8912-3358a2a954d9/21624247503.pdf
- https://uploads.strikinglycdn.com/files/e9eaf50c-896e-420d-8bdf-391334e1d93b/tubevoruwoturilowabi.pdf
- https://uploads.strikinglycdn.com/files/5b8a6f0d-25fd-456b-8ca4-e49d8622813b/xetaxe.pdf
- https://uploads.strikinglycdn.com/files/d0c71e36-dcc7-4cb7-946c-607578097fd3/10147833449.pdf
- https://uploads.strikinglycdn.com/files/b7773f47-524c-48d4-bf1b-b07942df0bf9/degozima.pdf
- http://files.2018eradreview.com/uploads/1/3/1/8/131857981/zijij.pdf
- http://files.danielemonico.com/uploads/1/3/2/6/132681969/gadulevetojunijeva.pdf
- http://sameninu.evergreenstoke.co.uk/uploads/1/3/2/7/132741181/f2b41b63765034.pdf
- http://zifadikad.martynsmondayclub.co.uk/uploads/1/3/0/7/130776106/6658591.pdf
- http://files.lynettesawatsky.com/uploads/1/3/1/4/131453724/900467cfaa0a7.pdf
- https://cdn.shopify.com/s/files/1/0437/9574/2882/files/louisiana_literacy_test_answers_key.pdf
- https://cdn.shopify.com/s/files/1/0435/1852/5599/files/devices_report_google_analytics.pdf
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/wefago.pdf
- http://files.sm4g.net/uploads/1/3/0/7/130776069/743a22486b20062.pdf
- http://gorowutij.uneed2.org/uploads/1/3/1/6/131606289/tiwaw.pdf
- http://widuvil.acbla.org/uploads/1/3/1/0/131070571/gawimokaluwim-zexawoku-letoliguninikoj-zuromi.pdf
- http://files.thedragonshoard.net/uploads/1/3/0/9/130969576/c27d731e5f.pdf
- http://durajobet.semindigenousmusic.com/uploads/1/3/2/6/132695615/xorabov-serefenekate-ruwebaf-jolidib.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/
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- files.2018eradreview.com
- files.danielemonico.com
- sameninu.evergreenstoke.co.uk
- zifadikad.martynsmondayclub.co.uk
- files.lynettesawatsky.com
- cdn.shopify.com
- files.sm4g.net
- gorowutij.uneed2.org
- widuvil.acbla.org
- files.thedragonshoard.net
- durajobet.semindigenousmusic.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 74.179.71.159
- 4.150.223.108
- 4.144.132.114
- 57.155.101.212
- 20.236.44.162
- 20.165.94.63
- 135.232.92.34
- 4.150.223.97
- 52.123.128.14
- 20.42.73.26
- 92.223.78.30
- 162.159.36.2
- 40.99.133.210
- 203.26.79.13
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report