MALICIOUS — normal_5f87180b92cb5.pdf
MALICIOUS — normal_5f87180b92cb5.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100). 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
f7e10eff5629c88f1001717a882fc845818995a8bf7d66db8d3abaec62cd6fec - SHA-1:
30cc70343248e6aede6d60e68c7bd17eaffa3f9a - MD5:
dfcaf371e23d42dd99a8c0ac091e4437 - ssdeep:
768:agGzpDPe9XlVi+JjlVNkh81q6xIJmePy3K6WF11bocluydlq3BEnF+32T1P:HGF7eFxIJ/y3Kd11dluyYBaFDT1P - TLSH:
T18D328EF30097EC8C3A8B9F439EAB10591586D38DA132DBA00598762CD4BC6FD6E11E71 - Submitted as: normal_5f87180b92cb5.pdf
- File type: pdf · Size: 45451 bytes
- Verdict: malicious (91/100)
Detections (3 of 50 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 91/100 is the fusion of 7 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Contacted 27 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=proface+remote+hmi+manual, https://cdn.shopify.com/s/files/1/0436/9675/0742/files/pofigado.pdf, https://cdn.shopify.com/s/files/1/0483/0013/0465/files/tupavogaguvu.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 - Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9682 behavior events · 1 ATT&CK techniques · 4 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
- 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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787099881&P2=404&P3=2&P4=fS9QChFDE6NjWjH9XnAE2LQCMW3lBlTzPw1rJNwc7iNpHK4BJ7NV7csjLMBwnjYx6Q2I%2bMIGTEKywINjqO%2fBjg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9?P1=1787099927&P2=404&P3=2&P4=WHFgsoIwyqo5CA%2fbiwrJdq38vPtPJVneXNqH9rTtLiU%2b5bpV1JUUag5qSG9xNx0i%2bZbhtRKsWH0uAm%2fMDjHO4g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 192.168.122.106
- 23.40.52.85
- 23.11.37.157
Dropped files
- /opt/CAPEv2/storage/analyses/30965/files/a28bb2b9a70dc51b3c81960398b0174d3fe1d1d515fb19532751265d94a30291 -
a28bb2b9a70dc51b3c81960398b0174d3fe1d1d515fb19532751265d94a30291 - /opt/CAPEv2/storage/analyses/30965/files/ef47ac1dcb60526e1203a1f405e5c95c7be2ae292d8244f62d0ae75138cf6601 -
ef47ac1dcb60526e1203a1f405e5c95c7be2ae292d8244f62d0ae75138cf6601 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.9dhlw88DFb -
1c3f6b5a51b5bd2abcdc5e50b22b18d26ec68f3ceeb73b917445a576b4959c71
Embedded URLs
- https://cctraff.ru/123?keyword=proface+remote+hmi+manual
- https://cdn.shopify.com/s/files/1/0436/9675/0742/files/pofigado.pdf
- https://cdn.shopify.com/s/files/1/0483/0013/0465/files/tupavogaguvu.pdf
- https://cdn.shopify.com/s/files/1/0437/5108/0085/files/introducing_psychology_brain_person_group_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/2538/3073/files/stubhub_justin_bieber_nashville.pdf
- https://cdn.shopify.com/s/files/1/0498/0808/1053/files/befunky_pro_6.2.4_apk.pdf
- https://cdn.shopify.com/s/files/1/0438/2385/7824/files/42070205298.pdf
- https://site-1037212.mozfiles.com/files/1037212/nodilenexinidugimi.pdf
- https://site-1038679.mozfiles.com/files/1038679/85093651752.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f871223165a2.pdf
- https://cdn-cms.f-static.net/uploads/4365642/normal_5f8710c40df48.pdf
- https://cdn-cms.f-static.net/uploads/4365555/normal_5f870f74808c2.pdf
- https://site-1038938.mozfiles.com/files/1038938/dovepupapeso.pdf
- https://site-1039508.mozfiles.com/files/1039508/jimutu.pdf
- https://site-1039958.mozfiles.com/files/1039958/lapodesexesum.pdf
- https://site-1039148.mozfiles.com/files/1039148/dulexituzosapa.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/xelikanotuzifaja.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/4106527.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kinufijozulof.pdf
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/gevoderovepiru.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/
Embedded domains
- cctraff.ru
- cdn.shopify.com
- site-1037212.mozfiles.com
- site-1038679.mozfiles.com
- cdn-cms.f-static.net
- site-1038938.mozfiles.com
- site-1039508.mozfiles.com
- site-1039958.mozfiles.com
- site-1039148.mozfiles.com
- fijojonibiw.weebly.com
- guwomenod.weebly.com
- vuxozajuje.weebly.com
- jawasolasazilem.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.253.84.76
- 4.230.171.124
- 4.247.188.233
- 135.232.92.137
- 20.165.94.54
- 20.231.239.246
- 52.123.128.14
- 40.103.64.226
- 72.153.5.132
- 203.26.79.13
- 40.79.163.155
- 135.233.95.144
- 48.200.63.27
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report