MALICIOUS — musonuk.pdf

MALICIOUS — musonuk.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (88/100). 3 of 53 detection engines flagged it.

Identification

• SHA-256: d3caa752b94eeb08528f4d6b78dd8c2dae0eea95e7dc19d2eb40b8ae3aff26bb
• SHA-1: b515882297f53988a774bda601134b174b5f7406
• MD5: 58cdbd92281daa6b7742e402d217d7aa
• ssdeep: 1536:HGFBwO3hYDQUZnlXGAEkeucEUTHztQ/MP2+r:mFBxYDQYlXPZ5UlQ/eF
• TLSH: T1AF359EF3916BCC4C7A86EF03AABA142AB159D7891132DA1849C87B7CC4BC77D7D00652
• Submitted as: musonuk.pdf
• File type: pdf · Size: 58723 bytes
• Verdict: malicious (88/100)

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

Why this verdict

The malicious score of 88/100 is the fusion of 6 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://gettraff.ru/strik?keyword=mbbs+admission+test+result+2019+pdf, https://uploads.strikinglycdn.com/files/ee5339ab-1ca6-4d31-aa0c-fe72605520cd/26762324965.pdf, https://uploads.strikinglycdn.com/files/0d56dd29-205f-49bf-b545-2837f4d0a334/78386428978.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://gettraff.ru/strik?keyword=mbbs+admission+test+result+2019+pdf
• https://uploads.strikinglycdn.com/files/ee5339ab-1ca6-4d31-aa0c-fe72605520cd/26762324965.pdf
• https://uploads.strikinglycdn.com/files/0d56dd29-205f-49bf-b545-2837f4d0a334/78386428978.pdf
• https://uploads.strikinglycdn.com/files/988d6c9a-2fc7-4ea7-9257-b3157e8ae030/64164541551.pdf
• https://uploads.strikinglycdn.com/files/6d11b0f2-68eb-4e1e-a098-6907c187c0ca/74663469329.pdf
• https://uploads.strikinglycdn.com/files/1b5f9def-26cd-433a-8559-f6a9b3bfd00c/rigawurawu.pdf
• https://cdn.shopify.com/s/files/1/0433/7182/3267/files/14688780520.pdf
• https://cdn.shopify.com/s/files/1/0467/9820/9175/files/driving_record_check_free.pdf
• https://cdn.shopify.com/s/files/1/0484/2061/8392/files/63815763944.pdf
• https://cdn.shopify.com/s/files/1/0439/4539/4331/files/65409207745.pdf
• https://cdn.shopify.com/s/files/1/0436/8554/4089/files/socialist_economy.pdf
• https://cdn.shopify.com/s/files/1/0441/0467/9576/files/hootsuite_android_app.pdf
• https://cdn.shopify.com/s/files/1/0433/4547/7783/files/84343673326.pdf
• http://kukati.marianawilliams.net/uploads/1/3/0/8/130873987/4541211.pdf
• http://files.makesmartart.com/uploads/1/3/0/7/130775505/nedajadizitafokawose.pdf
• http://soperebor.cosmiquefocus.net/uploads/1/3/1/1/131163930/pelinokigu.pdf
• http://sarulifov.wildthymeflowers.ca/uploads/1/3/0/8/130814328/6781763.pdf
• http://files.rosannavanmierlo.com/uploads/1/3/0/7/130775126/zebemekaxud-dobezerejarosop-nexumejosar.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

• gettraff.ru
• uploads.strikinglycdn.com
• cdn.shopify.com
• kukati.marianawilliams.net
• files.makesmartart.com
• soperebor.cosmiquefocus.net
• sarulifov.wildthymeflowers.ca
• files.rosannavanmierlo.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report