MALICIOUS — 18652411727.pdf
MALICIOUS — 18652411727.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:
9bb5f39507cb5123d3ebff7563c99a33cb1bb1b741aecaa4ef5784dfcc02102e - SHA-1:
9727c56b2c1e738770dad578d19a3cc22c589ca4 - MD5:
b3b6671fbdd6c738bc73d868d5e88420 - ssdeep:
768:MgGzpDvA5xTmjzq3P6AWZuowJ7YH2SXZPMh2kGwS3912:JGF7K76AWZubYDXNkGx3912 - TLSH:
T1B4329EF35497CECC7A86EB0359E712A4A686D74C713396B049C83B6CE47C67D6E10920 - Submitted as: 18652411727.pdf
- File type: pdf · Size: 43922 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 16 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/8896c014-eca3-457c-8369-cbb93e11a7ad/16530223593.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=geometry+geometric+probability+worksheet, https://uploads.strikinglycdn.com/files/8896c014-eca3-457c-8369-cbb93e11a7ad/16530223593.pdf, https://uploads.strikinglycdn.com/files/47bd842b-d596-4e11-b5cc-22fdad110251/bokemebap.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9781 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0d1854d7659f437e41fba18f74439bfd493630a66e26c93614eb44804b9675d5 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e4221a07fb521a024280a453d4ee103c.png -
cd0bf0f37573c309eba1b6312002ba6a7b1daa58d0394c87dc195ec5275a3506 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=geometry+geometric+probability+worksheet
- https://uploads.strikinglycdn.com/files/8896c014-eca3-457c-8369-cbb93e11a7ad/16530223593.pdf
- https://uploads.strikinglycdn.com/files/47bd842b-d596-4e11-b5cc-22fdad110251/bokemebap.pdf
- https://uploads.strikinglycdn.com/files/6e778c8a-5d3a-4fad-ab04-cd6d65201270/25265498853.pdf
- https://site-1040215.mozfiles.com/files/1040215/kafemakalijovotewaninep.pdf
- https://site-1037238.mozfiles.com/files/1037238/puzifeduwanuzipez.pdf
- https://uploads.strikinglycdn.com/files/ddac8178-1cda-431e-bee1-ac6a89ac6373/bisapunifedipedalogona.pdf
- https://uploads.strikinglycdn.com/files/8fff1ac4-5a60-4b1e-ada0-de078783abbb/66110716577.pdf
- https://uploads.strikinglycdn.com/files/8f597dbe-1dfd-4bd8-ba98-3a60269fdf0b/21835460118.pdf
- https://cdn.shopify.com/s/files/1/0483/9971/2416/files/91049752443.pdf
- https://cdn.shopify.com/s/files/1/0477/3393/2188/files/sivuso.pdf
- https://cdn.shopify.com/s/files/1/0484/9755/7654/files/e0_b8_840.pdf
- https://cdn.shopify.com/s/files/1/0432/5376/0160/files/buritigumesufogozup.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=1787740759&P2=404&P3=2&P4=O7RDolp4DiLK%2bv%2bakAAqikyN5%2fQRcjEedphgkxWICzqv86Omjy1H6uCA9WQDriDcuVpCKToMGsnC%2fmL014Fovw%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
- gettraff.ru
- uploads.strikinglycdn.com
- site-1040215.mozfiles.com
- site-1037238.mozfiles.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 92.223.78.30
- 20.42.179.192
- 52.110.12.3
- 4.230.171.124
- 72.145.35.99
- 203.26.79.13
- 135.233.95.135
- 74.178.240.61
- 4.150.223.111
- 52.123.129.14
- 20.165.94.46
- 48.211.4.16
- 142.251.42.99
- 172.170.180.133
- 20.89.1.10
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report