MALICIOUS — xefizulo.pdf

MALICIOUS — xefizulo.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (78/100). 2 of 53 detection engines flagged it.

Identification

• SHA-256: cfd28955fed0e06b941a53362e75f7930c9ee2c0ef224b4211e69ca60aeaa578
• SHA-1: ffb5bafc94285b012597f1a133a2b238ba28b004
• MD5: c3a23a71c5a26e8f563e6b1e2d354d5e
• ssdeep: 1536:VGFv/7XMuzcXdYAa45DeQE9kOj/AnvGXvOQDF4S:oFv/78uzcXdYAa45Dj+kOjYnvGWQDz
• TLSH: T11C35BFF35057DD8CAACBAB076CEA1118510ADB8C6132ABA489547F7C85BC6BD7D20930
• Submitted as: xefizulo.pdf
• File type: pdf · Size: 59556 bytes
• Verdict: malicious (78/100)

Detections (2 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1

Why this verdict

The malicious score of 78/100 is the fusion of 5 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - 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://cctraff.ru/strik?keyword=el+paraiso+perdido+poema+pdf, https://site-1037113.mozfiles.com/files/1037113/sanuji.pdf, https://site-1037157.mozfiles.com/files/1037157/vinetiwenowebovajef.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/strik?keyword=el+paraiso+perdido+poema+pdf
• https://site-1037113.mozfiles.com/files/1037113/sanuji.pdf
• https://site-1037157.mozfiles.com/files/1037157/vinetiwenowebovajef.pdf
• https://site-1037275.mozfiles.com/files/1037275/vabal.pdf
• https://site-1037909.mozfiles.com/files/1037909/gegadov.pdf
• https://site-1036883.mozfiles.com/files/1036883/93155459792.pdf
• https://uploads.strikinglycdn.com/files/e7433204-121a-41fc-98d2-fdb686e3adf1/60134168884.pdf
• https://uploads.strikinglycdn.com/files/30f9ce72-735b-4f71-af25-1f0e9136f61e/32595681767.pdf
• https://site-1037235.mozfiles.com/files/1037235/45041201565.pdf
• https://site-1036832.mozfiles.com/files/1036832/9641014316.pdf
• https://site-1036829.mozfiles.com/files/1036829/gemomaxejegadepivulorik.pdf
• https://site-1036996.mozfiles.com/files/1036996/pefezexikejupete.pdf
• https://site-1036840.mozfiles.com/files/1036840/43941186358.pdf
• https://site-1036848.mozfiles.com/files/1036848/vubasobe.pdf
• https://site-1037022.mozfiles.com/files/1037022/sogazegije.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
• site-1037113.mozfiles.com
• site-1037157.mozfiles.com
• site-1037275.mozfiles.com
• site-1037909.mozfiles.com
• site-1036883.mozfiles.com
• uploads.strikinglycdn.com
• site-1037235.mozfiles.com
• site-1036832.mozfiles.com
• site-1036829.mozfiles.com
• site-1036996.mozfiles.com
• site-1036840.mozfiles.com
• site-1036848.mozfiles.com
• site-1037022.mozfiles.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report