MALICIOUS — 91aab3d54f.pdf

MALICIOUS — 91aab3d54f.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 14ed3a1629ac535ae0cde6f199bb6c9f60a6ad39f0a178382e3d20fc8427e813
• SHA-1: 0ae2422a828ea0039cff96dc877577f11fa1fca8
• MD5: 57a0773f9bcda7aa6652a021e4230876
• ssdeep: 1536:tpH4uA1HWVc22ssteCvf0nI9QCR4yT+5QRPyToAiH2fr:XHzovf0nIKhyFRqJiH8
• TLSH: T15B35D0F3A28BED0C7ACA6B137EE6215EA449D3846536C7F44884B26CC8781FC7E50611
• Submitted as: 91aab3d54f.pdf
• File type: pdf · Size: 62365 bytes
• Verdict: malicious (94/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4481062/normal_5fbb06f1286a9.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://traffmen.ru/wb?keyword=brooklyn%20college%20registrar%20request%20form, https://bofufawikifof.weebly.com/uploads/1/3/4/2/134235483/34650.pdf, https://feloxoxux.weebly.com/uploads/1/3/4/0/134000485/6013007.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://traffmen.ru/wb?keyword=brooklyn%20college%20registrar%20request%20form
• https://bofufawikifof.weebly.com/uploads/1/3/4/2/134235483/34650.pdf
• https://feloxoxux.weebly.com/uploads/1/3/4/0/134000485/6013007.pdf
• https://menaxogem.weebly.com/uploads/1/3/4/4/134432074/9849326.pdf
• https://s3.amazonaws.com/wupiwupiwot/94999737153.pdf
• https://cdn-cms.f-static.net/uploads/4427509/normal_5f9ad89adad81.pdf
• https://cdn-cms.f-static.net/uploads/4481062/normal_5fbb06f1286a9.pdf
• https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/pagasitadexaxawo.pdf
• https://kisimerib.weebly.com/uploads/1/3/4/6/134697331/finipamewo-reviririsowef-zoparebonereti.pdf
• https://cdn-cms.f-static.net/uploads/4426690/normal_5fb610cd7c084.pdf
• https://uploads.strikinglycdn.com/files/22bfb237-52cd-430c-a98c-960f80cb0f69/tevepikut.pdf
• https://cdn-cms.f-static.net/uploads/4407081/normal_5fb50af75a6a7.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

• traffmen.ru
• bofufawikifof.weebly.com
• feloxoxux.weebly.com
• menaxogem.weebly.com
• s3.amazonaws.com
• cdn-cms.f-static.net
• buximinolid.weebly.com
• kisimerib.weebly.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report