MALICIOUS — matud.pdf

MALICIOUS — matud.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: 1ace23bd23c8bfc1ebf07b3dbdf5ac41f4f09eaddc6eeda5bc5f259cebf0d6be
• SHA-1: a7ac58e845b518ff786fe0a1335f2149cb7dab30
• MD5: 81455c0854400dcee7751d717efdcf5d
• ssdeep: 768:FgGzpDAH97M6/E9aikQyjFxQe0grZVLWEaqI5cqyONSHRQudMv1KI:WGFsHdSkQyjFzrZVLJKnnG9Sn
• TLSH: T1B931BFF70057ED8D3B87AB135DE210999489C78C7223AB3408DD373DC5A86BDAE51A20
• Submitted as: matud.pdf
• File type: pdf · Size: 42162 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://cctraff.ru/strik?keyword=disney+piano+duets+sheet+music+pdf, http://nugiwosa.allornothingnutrition.co.uk/uploads/1/3/1/3/131384305/potibipapef.pdf, http://jofosapul.gffmi.org/uploads/1/3/2/6/132680981/zuzawosazawa_tumowesiko.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=disney+piano+duets+sheet+music+pdf
• http://nugiwosa.allornothingnutrition.co.uk/uploads/1/3/1/3/131384305/potibipapef.pdf
• http://jofosapul.gffmi.org/uploads/1/3/2/6/132680981/zuzawosazawa_tumowesiko.pdf
• http://kirefep.radyo-filipino-australia.com/uploads/1/3/1/4/131483249/343171.pdf
• http://xisowuler.nomnomnatural.com.au/uploads/1/3/2/8/132815028/dalumebufobu-nupirenejaku-wisoxasow.pdf
• http://files.landisgreat.com/uploads/1/3/0/8/130814596/ponap.pdf
• http://zupowuxu.minnievanvacations.com/uploads/1/3/1/6/131636755/losirexa-liwumigetedifi-govaku-gidodupi.pdf
• https://cdn.shopify.com/s/files/1/0430/2798/8634/files/36911905408.pdf
• https://cdn.shopify.com/s/files/1/0433/7631/2478/files/72007682564.pdf
• https://cdn.shopify.com/s/files/1/0427/9681/0396/files/donatuwukusetuniw.pdf
• https://cdn.shopify.com/s/files/1/0431/5319/5165/files/72428852423.pdf
• https://cdn.shopify.com/s/files/1/0429/7129/9999/files/bozagadenewipiziz.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
• nugiwosa.allornothingnutrition.co.uk
• jofosapul.gffmi.org
• kirefep.radyo-filipino-australia.com
• xisowuler.nomnomnatural.com.au
• files.landisgreat.com
• zupowuxu.minnievanvacations.com
• cdn.shopify.com
• www.w3.org
• purl.org
• ns.adobe.com

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