SUSPICIOUS — 16390076670.pdf
SUSPICIOUS — 16390076670.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b1b164f5f4cd0300ec735edcaed5bdc59e472e5fa821589c69de659d3484c409 - SHA-1:
5324d03dc45f286a829afe05687380e0e7fa2d8f - MD5:
5d5a21f70389f5574611f54beea48278 - ssdeep:
768:0gGzpDAEcD1Du0IZQzFmdgp9bFMg5YNdhWXumjF0XInboZYfFpYry/J:BGFUEa0Z709bFn5YlSRp0cbWaury/J - TLSH:
T17B33BEF754A7ED4CBACA97135DEA2558818AD38CA132E75018D83B7CC4BC27D7E10A50 - Submitted as: 16390076670.pdf
- File type: pdf · Size: 48538 bytes
- Verdict: suspicious (64/100)
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 64/100 is the fusion of 5 weighted signals:
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=constitutionality+of+restitution+of+conjugal+rights+pdf, https://site-1036671.mozfiles.com/files/1036671/pidujuw.pdf, https://site-1037233.mozfiles.com/files/1037233/fidisoxegerojif.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9636 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
- 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
- 252.0.0.224.in-addr.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
- desktop-hsgcbep
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4aac240e16eb7a124f6441b87b941f16.png -
96648801894597b4d7849ef825f0df8737c3bd58af02b7fc55148236993f6ba1 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0ce793537dee981f9255c12cd57e6d295fa207d269d15632296bfc42673d654c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=constitutionality+of+restitution+of+conjugal+rights+pdf
- https://site-1036671.mozfiles.com/files/1036671/pidujuw.pdf
- https://site-1037233.mozfiles.com/files/1037233/fidisoxegerojif.pdf
- https://site-1036791.mozfiles.com/files/1036791/85693728914.pdf
- https://site-1037169.mozfiles.com/files/1037169/piwutexutoxo.pdf
- https://site-1037029.mozfiles.com/files/1037029/56274928721.pdf
- https://site-1037037.mozfiles.com/files/1037037/16317435189.pdf
- https://site-1036783.mozfiles.com/files/1036783/79559458513.pdf
- https://site-1036829.mozfiles.com/files/1036829/22292368424.pdf
- https://site-1036646.mozfiles.com/files/1036646/xowomujoj.pdf
- http://lafogonax.eleven-eleven-candles.com/uploads/1/3/1/8/131856937/bisugubemixopipifi.pdf
- http://files.winstonheinrichs.com/uploads/1/3/0/8/130873828/7485921fa54727.pdf
- http://files.oustalou.com/uploads/1/3/2/6/132681506/tenevalinulijawe.pdf
- http://tutuko.nerdnightphnompenh.com/uploads/1/3/0/7/130738893/9582031.pdf
- https://site-1036945.mozfiles.com/files/1036945/tajedigemafam.pdf
- https://site-1036902.mozfiles.com/files/1036902/lufokokobuwupavi.pdf
- https://site-1036696.mozfiles.com/files/1036696/duxinepewupar.pdf
- https://site-1037176.mozfiles.com/files/1037176/tefujebazibi.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
Embedded domains
- gettraff.ru
- site-1036671.mozfiles.com
- site-1037233.mozfiles.com
- site-1036791.mozfiles.com
- site-1037169.mozfiles.com
- site-1037029.mozfiles.com
- site-1037037.mozfiles.com
- site-1036783.mozfiles.com
- site-1036829.mozfiles.com
- site-1036646.mozfiles.com
- lafogonax.eleven-eleven-candles.com
- files.winstonheinrichs.com
- files.oustalou.com
- tutuko.nerdnightphnompenh.com
- site-1036945.mozfiles.com
- site-1036902.mozfiles.com
- site-1036696.mozfiles.com
- site-1037176.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.116.253.168
- 20.184.175.19
- 52.123.252.235
- 52.110.12.10
- 52.110.12.53
- 172.215.188.225
- 4.230.171.124
- 85.210.196.11
- 135.233.95.144
- 20.42.73.27
- 20.76.201.171
- 40.99.133.242
- 52.123.128.14
- 20.165.94.46
- 203.26.79.13
- 92.223.78.30
- 135.234.160.246
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report