MALICIOUS — 72b7cd04572.pdf

MALICIOUS — 72b7cd04572.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 4 of 53 detection engines flagged it.

Identification

• SHA-256: 5e9379ceee8ec4e5ad2e9f833dc1d6508c48527835fe8be3878d9888b2163563
• SHA-1: 3f0fac86b38b31381ada7bf8f4b9a1932eca5792
• MD5: 5e272a7abdb7a4c09075277f8b185a01
• ssdeep: 1536:ikyJD2S9hsDNGHDgdYu/aQL/EBxu9lMMNAfWu37qQNX7:vy93Qcjgmubh9vAreQt
• TLSH: T1AA36E0F3A207CC8CB6866B43B9F20A1C9442958D6623D6D654D8BBBCDC7C2BD2D10E54
• Submitted as: 72b7cd04572.pdf
• File type: pdf · Size: 69116 bytes
• Verdict: malicious (92/100)

Detections (4 of 53 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/wb?keyword=nishiki%20bikes%202019, https://cdn-cms.f-static.net/uploads/4366668/normal_5f88532948275.pdf, https://cdn-cms.f-static.net/uploads/4379605/normal_5f8c82bfbbdd9.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/wb?keyword=nishiki%20bikes%202019
• https://s3.amazonaws.com/henghuili-files/personal_development_skills.pdf
• https://cdn-cms.f-static.net/uploads/4366668/normal_5f88532948275.pdf
• https://s3.amazonaws.com/tonemakopinibem/red_rising_pierce_brown.pdf
• https://s3.amazonaws.com/lodunixodetum/sosowifujobegibujawav.pdf
• https://cdn-cms.f-static.net/uploads/4379605/normal_5f8c82bfbbdd9.pdf
• https://uploads.strikinglycdn.com/files/705cf0d7-0cde-4f48-a15c-ab830d41fa4f/lipeliwajidejero.pdf
• https://cdn-cms.f-static.net/uploads/4450883/normal_5f9ed821b610a.pdf
• https://s3.amazonaws.com/lejivugeleguwod/vafakujev.pdf
• https://s3.amazonaws.com/zubuwujoxom/petisewazowaxaxulasomix.pdf
• https://s3.amazonaws.com/mesotodimus/xepejexalitaluwabuvomemo.pdf
• https://s3.amazonaws.com/ribowexulo/72782985181.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
• s3.amazonaws.com
• cdn-cms.f-static.net
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report