MALICIOUS — 615f95130.pdf

MALICIOUS — 615f95130.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: 558c9915832f1e96ecec1e50268fcbfa5008b370d463675cd059858f1178aff9
• SHA-1: 9ae3f02b8af6c5cda03c50936e42445ad594e436
• MD5: f76ff816dddb31d64a8543881ff3b095
• ssdeep: 1536:ISGNHwNwi2sHHzp/s964b1wH+POu2OYQvMH/Di+:W16FztsYA1wHnOYCA3
• TLSH: T1A537E0F37217ED987757DB53A9B629D9504AC68874228E9000C8772CC8AC3FE7E60D52
• Submitted as: 615f95130.pdf
• File type: pdf · Size: 72489 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://trafftec.ru/wb?keyword=high%20school%20math%20coloring%20sheets, https://cdn-cms.f-static.net/uploads/4374857/normal_5fa7b9f3e9ff6.pdf, https://cdn-cms.f-static.net/uploads/4421335/normal_5f9b39d8242cb.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://trafftec.ru/wb?keyword=high%20school%20math%20coloring%20sheets
• https://cdn-cms.f-static.net/uploads/4374857/normal_5fa7b9f3e9ff6.pdf
• https://cdn-cms.f-static.net/uploads/4421335/normal_5f9b39d8242cb.pdf
• https://s3.amazonaws.com/zirojopemup/convert_webpage_to_addon_chrome.pdf
• https://cdn-cms.f-static.net/uploads/4374857/normal_5f8936d34195c.pdf
• https://cdn-cms.f-static.net/uploads/4374847/normal_5fa89aff48050.pdf
• https://cdn-cms.f-static.net/uploads/4483854/normal_5fac4f75e7dc2.pdf
• https://cdn-cms.f-static.net/uploads/4427504/normal_5fa03cf54314d.pdf
• https://uploads.strikinglycdn.com/files/c4eb51e9-6b47-4758-b5f0-84eeb8e83aca/74228763577.pdf
• https://cdn-cms.f-static.net/uploads/4376850/normal_5f8d4a3231eb7.pdf
• https://uploads.strikinglycdn.com/files/f0c6b056-eb7e-45f4-b38b-19c715315316/kusofo.pdf
• https://cdn-cms.f-static.net/uploads/4374848/normal_5f8c0d515c7d7.pdf
• https://s3.amazonaws.com/lupuvogotog/47611245572.pdf
• https://s3.amazonaws.com/pisik/4.1_studying_ecology_answer_key.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

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

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report