MALICIOUS — 2271256510.pdf
MALICIOUS — 2271256510.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:
1b8b01b365690ec98f99e3cadd62d2aed0957cd09e2f744022c406a34c6b097c - SHA-1:
2df3c6671fae4cc874b5b15391929e92e3110650 - MD5:
5adbd7784d2160fc239a58145530c16c - ssdeep:
768:IgGzpDINLp1n5NFPRT1z+FnJ/7WUSxusG62/KQgv9opmD6K90qPLD:FGFELz+FnJ/7WPxvGEB1osDyqPLD - TLSH:
T12F32AEF324A7EC8C6F829B076DA6149A6046D389A232D36054CD7B6DC9BC5FCAF40851 - Submitted as: 2271256510.pdf
- File type: pdf · Size: 44265 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 18 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/b709cf2d-0a7c-4ccb-9b21-dec3394fa96d/26517265255.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=building+maintenance+system+pdf, https://cdn.shopify.com/s/files/1/0429/2168/9254/files/33368350343.pdf, https://cdn.shopify.com/s/files/1/0429/5399/8487/files/rrb_quantitative_aptitude_questions_with_answers.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9742 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
- 250.255.255.239.in-addr.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
- 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
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1d3c853a24718e06cdd7b7b13aabb5b9.png -
403527b7887a248f67defff45bf0ea55dff0ef4b37c14bd46229de72930156d2 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
4dbaefc6a6c7a3cb511a139aa318c1d0bfe379034ca1cb0b3e57655e21226cbb - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=building+maintenance+system+pdf
- https://cdn.shopify.com/s/files/1/0429/2168/9254/files/33368350343.pdf
- https://cdn.shopify.com/s/files/1/0429/5399/8487/files/rrb_quantitative_aptitude_questions_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0630/4153/files/xipasex.pdf
- https://cdn.shopify.com/s/files/1/0483/3591/3123/files/67232502026.pdf
- http://novenu.drcolinadunbar.com/uploads/1/3/0/7/130776864/garokenunesi-xuradotuzek.pdf
- http://files.kenyafilmclub.org/uploads/1/3/1/4/131437839/ad1bcd6b26e3a68.pdf
- http://zizob.scituatefarmersmarket.com/uploads/1/3/0/7/130740112/woforoboduwu_penigitede_tixifajewojal.pdf
- https://site-1036938.mozfiles.com/files/1036938/49690668776.pdf
- https://site-1037102.mozfiles.com/files/1037102/safenelometekan.pdf
- https://site-1036946.mozfiles.com/files/1036946/98997461598.pdf
- https://site-1036678.mozfiles.com/files/1036678/jamipilurixalidibod.pdf
- https://uploads.strikinglycdn.com/files/b709cf2d-0a7c-4ccb-9b21-dec3394fa96d/26517265255.pdf
- https://uploads.strikinglycdn.com/files/7501249d-1c99-4914-888a-1ba3bfa10d4e/kemuwuw.pdf
- https://uploads.strikinglycdn.com/files/27a0a868-b8f2-4800-8875-8de544183b98/jojekiminu.pdf
- https://uploads.strikinglycdn.com/files/76a1ae3a-7252-4027-b841-90285c0eb406/74740333968.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
- cdn.shopify.com
- novenu.drcolinadunbar.com
- files.kenyafilmclub.org
- zizob.scituatefarmersmarket.com
- site-1036938.mozfiles.com
- site-1037102.mozfiles.com
- site-1036946.mozfiles.com
- site-1036678.mozfiles.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 72.154.7.113
- 20.184.175.20
- 20.3.1.41
- 52.110.12.56
- 4.230.171.124
- 20.42.179.192
- 72.154.7.107
- 203.26.79.13
- 135.232.92.137
- 4.207.44.64
- 40.99.134.18
- 20.184.175.22
- 52.123.129.14
- 40.99.133.242
- 85.210.196.11
- 20.42.65.85
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report