MALICIOUS — bee_r_rev_limiter.pdf

MALICIOUS — bee_r_rev_limiter.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 4 of 50 detection engines flagged it.

Identification

• SHA-256: 255a3dd70086e1d0a04a179cf88c3e7fd967d4cac218f7ec09199de591f25fa8
• SHA-1: 3937bcb51c17ccc2e12740646b8d297c39535cf7
• MD5: c0b334726c3f494c1182d623c90eea29
• ssdeep: 1536:PUJ8D8X+mDVqtWtuRRzscMTncNEl0a5Y/WXpnbsdSlauxLB:bYX+mDVqtWtuRR+2El0a5Y/WXxQwQuz
• TLSH: T1A237D0F3A59FCD8CA6C997133AFB6028628ACB883511DAD054C2F61CD4B85FD2F20521
• Submitted as: bee_r_rev_limiter.pdf
• File type: pdf · Size: 73609 bytes
• Verdict: malicious (92/100)

Detections (4 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

Why this verdict

The malicious score of 92/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded network infrastructure: https://trafffe.ru/strik?utm_term=bee+r+rev+limiter, https://uploads.strikinglycdn.com/files/71c5796d-0e5e-4e54-946c-921f0d0cde8f/44178115785.pdf, https://cdn-cms.f-static.net/uploads/4366017/normal_5f872c3d50742.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://trafffe.ru/strik?utm_term=bee+r+rev+limiter
• https://uploads.strikinglycdn.com/files/71c5796d-0e5e-4e54-946c-921f0d0cde8f/44178115785.pdf
• https://cdn-cms.f-static.net/uploads/4366017/normal_5f872c3d50742.pdf
• https://cdn-cms.f-static.net/uploads/4371791/normal_5fbd81a0160ac.pdf
• https://cdn-cms.f-static.net/uploads/4450884/normal_5fa9c63b3c820.pdf
• https://s3.amazonaws.com/midipes/23965612182.pdf
• https://s3.amazonaws.com/tobovunoberiki/global_medical_center_online_reports.pdf
• https://uploads.strikinglycdn.com/files/6c1baea2-2469-45c4-8935-91c4bfaabb13/buvapegagej.pdf
• https://s3.amazonaws.com/gazitif/52732226959.pdf
• https://uploads.strikinglycdn.com/files/9211160f-3286-43de-bee5-9e8d69cb80f2/12297130231.pdf
• https://s3.amazonaws.com/lusegokaves/numerical_reasoning_practice_test_with_answers.pdf
• https://cdn-cms.f-static.net/uploads/4404980/normal_5f98f35835934.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

• trafffe.ru
• uploads.strikinglycdn.com
• cdn-cms.f-static.net
• s3.amazonaws.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report