SUSPICIOUS — efb39a.pdf
SUSPICIOUS — efb39a.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 2 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
98fcee603d09eaa3606fc8cb56049c5f132f9db3ec2175c2346b42d49f4dd738 - SHA-1:
2585ce820b8365ae95843e2db955daae1bf08570 - MD5:
bc77a4ae19c09b1461397cc933345ae6 - ssdeep:
1536:mUGFaXGoSoDJT5NwpVcPQ4PyO42fSlWuO:mhFaWoDJtNwf2PyTNtO - TLSH:
T1D135CFF301A7DC8C7AC69B036DA60195608BC78C7222A764898D7F7DC0BC6BD2E15D61 - Submitted as: efb39a.pdf
- File type: pdf · Size: 60262 bytes
- Verdict: suspicious (58/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 58/100 is the fusion of 4 weighted signals:
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/0732d5da-7433-45aa-a8fa-8b405aa3fdff/regutuxupujupaposujibabu.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=samples%20of%20graduate%20school%20application%20letter, https://uploads.strikinglycdn.com/files/0732d5da-7433-45aa-a8fa-8b405aa3fdff/regutuxupujupaposujibabu.pdf, https://uploads.strikinglycdn.com/files/8dcc9778-d56a-462f-9fe2-8655624f51a2/under_the_blood_red_sun.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
Dynamic analysis
No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.
Embedded URLs
- https://cctraff.ru/wb?keyword=samples%20of%20graduate%20school%20application%20letter
- https://uploads.strikinglycdn.com/files/0732d5da-7433-45aa-a8fa-8b405aa3fdff/regutuxupujupaposujibabu.pdf
- https://s3.amazonaws.com/jeduzizonox/58649817558.pdf
- https://uploads.strikinglycdn.com/files/8dcc9778-d56a-462f-9fe2-8655624f51a2/under_the_blood_red_sun.pdf
- https://s3.amazonaws.com/wonoti/27163423554.pdf
- https://s3.amazonaws.com/sugowubuf/jujivizisupugutanonodoxel.pdf
- https://s3.amazonaws.com/suximawo/financial_services_audit_exit_opportunities.pdf
- https://cdn-cms.f-static.net/uploads/4418367/normal_5fa04021c955f.pdf
- https://s3.amazonaws.com/kitakilesa/tojapixuda.pdf
- https://uploads.strikinglycdn.com/files/6d8a3ed4-352f-48dc-8456-ae5e5ebae913/nijarobapubu.pdf
- https://s3.amazonaws.com/vetamedisoz/sexabamazikuxusa.pdf
- https://cdn-cms.f-static.net/uploads/4384633/normal_5f92ed3de7c55.pdf
- https://uploads.strikinglycdn.com/files/05ba4bf4-cb16-48c4-abb3-cf42cde0f7d8/todejajamim.pdf
- https://uploads.strikinglycdn.com/files/e2a35daa-a008-4f30-a7c5-4ed7aa99858b/create_a_empty_dataframe_in_python.pdf
- https://uploads.strikinglycdn.com/files/31e28a5f-29a8-463d-b15c-de2d583cfadd/woxisitefizel.pdf
- https://uploads.strikinglycdn.com/files/c64a5820-8ccf-4127-ba03-6033dbf37ae9/doseligek.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
- cctraff.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report