MALICIOUS — b2336335c.pdf

MALICIOUS — b2336335c.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: aaea6469bf8b196bf2f6d76b771b26aa8a0e401ac787c05f5cd91fb7e413f924
• SHA-1: b1275f951872ba25ede0932cb20fdba281d9a848
• MD5: 68d3e9041c67e57b58dbdeb752b2deeb
• ssdeep: 1536:mWBvRI+Bqx72de051eUQTyfUzGUfDxrQfN0QQfxGyXeCh693N9mpwwKe:H1RtCSw8c8fUXDRQfNyfxG1SOXmpr
• TLSH: T1553AF1E3225FED8C7ACAAB436AF9509D30DDD2866032DA6108CC3A6C843C5EE1C54674
• Submitted as: b2336335c.pdf
• File type: pdf · Size: 98280 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=molarity%20dilution%20worksheet%20answer%20key, https://uploads.strikinglycdn.com/files/1ee92f45-bb7f-4e06-982f-ec76c94756c9/hoover_anniversary_self-propelled_windtunnel_bagged_upright_vacuum.pdf, https://uploads.strikinglycdn.com/files/b16f0125-e5d2-49b4-be11-16b675443c5b/17877526878.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=molarity%20dilution%20worksheet%20answer%20key
• https://s3.amazonaws.com/bulalowisu/35140541515.pdf
• https://s3.amazonaws.com/zufaxepixiguxax/67398856882.pdf
• https://s3.amazonaws.com/gumagabu/cherry_city_compassion_salem.pdf
• https://s3.amazonaws.com/sesafefanulokam/78010907242.pdf
• https://uploads.strikinglycdn.com/files/1ee92f45-bb7f-4e06-982f-ec76c94756c9/hoover_anniversary_self-propelled_windtunnel_bagged_upright_vacuum.pdf
• https://s3.amazonaws.com/woxojuxafopuv/reflexiones_diarias_cristianas_cortas.pdf
• https://s3.amazonaws.com/juzinaramip/ashley_furniture_store_bozeman.pdf
• https://uploads.strikinglycdn.com/files/b16f0125-e5d2-49b4-be11-16b675443c5b/17877526878.pdf
• https://cdn-cms.f-static.net/uploads/4475588/normal_5fb2b933bc3cd.pdf
• https://s3.amazonaws.com/henghuili-files/paxavirawejererufuwu.pdf
• https://uploads.strikinglycdn.com/files/56d381c3-71b0-4d05-9303-eaffe1917cb3/sogugoliwot.pdf
• https://cdn-cms.f-static.net/uploads/4386335/normal_5f904a0843a2b.pdf
• https://uploads.strikinglycdn.com/files/5ea8d559-f42e-48f6-a003-ca4a941c988d/33242350003.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
• uploads.strikinglycdn.com
• cdn-cms.f-static.net
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report