MALICIOUS — 02631b_309aad936f4e4e87b4b531c24e790490.pdf

MALICIOUS — 02631b_309aad936f4e4e87b4b531c24e790490.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: e9641f694565443547aed5b43319796fb9501a3b32989024c7e01bec8b3e915d
• SHA-1: 0e9c85bd28bc6b3df5cc9314a4cb0bd38462cb3f
• MD5: 2da00f076d902b0c8172955c10e3df26
• ssdeep: 768:qgGzpDxkAocXZnFdCbO5IfDpeod81G77wMsuYuxqFpH6dWmfIgK9TEmPLGj/m9:3GF135F2XNDd8cUMllqFV6dWmfRkTZPN
• TLSH: T1E032BFF35057EE8837C7AB03AD9621287586D289A13796B00589BB2CC47C7BDBE50631
• Submitted as: 02631b_309aad936f4e4e87b4b531c24e790490.pdf
• File type: pdf · Size: 45948 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://ttraff.ru/wix?keyword=cisco+1+chapter+3+exam+answers, https://cfea1ca8-3f38-480d-8b59-aa9c112743b5.filesusr.com/ugd/c5d40f_84550607d2f64f3e82cdcfeb2b22335e.pdf?index=true, https://c2dd382a-f7bf-4f7f-8bcb-692d22f9336a.filesusr.com/ugd/eb4c03_73c3b0686b70418aac3ee261a31c63c3.pdf?index=true - 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://ttraff.ru/wix?keyword=cisco+1+chapter+3+exam+answers
• https://cfea1ca8-3f38-480d-8b59-aa9c112743b5.filesusr.com/ugd/c5d40f_84550607d2f64f3e82cdcfeb2b22335e.pdf?index=true
• https://c2dd382a-f7bf-4f7f-8bcb-692d22f9336a.filesusr.com/ugd/eb4c03_73c3b0686b70418aac3ee261a31c63c3.pdf?index=true
• https://75d43ddf-4c45-4b4e-a7df-824fc97be3e4.filesusr.com/ugd/eddc50_6e4a2cb611544cd8a3c28c10f84982fe.pdf?index=true
• http://files.loyallyiserve.com/uploads/1/3/0/9/130969037/netovuxekubesuk-gikefatipepinew-pibel-jimudesi.pdf
• http://files.gochamber.org/uploads/1/3/1/8/131871633/073a4c6.pdf
• https://8cfe4f32-33f0-44ee-a387-54d0b9f0c86f.filesusr.com/ugd/2f3ac6_410a6835c8574a23b93de5a3b8585ede.pdf?index=true
• https://99312745-ff5d-4760-a7d7-1c2936f55d96.filesusr.com/ugd/8aba0c_a60321617e0244ada601f8395ffdfd51.pdf?index=true
• https://e56fcf63-095a-4c3b-8960-d3a626cbeb4c.filesusr.com/ugd/78daac_a00b1c8d9aa24dfe96772cf557af18f1.pdf?index=true
• https://baa8079d-4fe8-41fe-91b8-6d5ea90c79d3.filesusr.com/ugd/d8966e_0a8f5c7608f84d05bcd16ab50faa390c.pdf?index=true
• https://c3f51582-6665-4a1a-a551-dcf28f75916a.filesusr.com/ugd/2f7489_e2cb1bc6f5d04e219c47773a88b3882b.pdf?index=true
• https://c657b806-b6e7-4d5e-b6cf-01131059d835.filesusr.com/ugd/dcf311_03375350a93341a4afc5e48426019a58.pdf?index=true
• 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

• ttraff.ru
• cfea1ca8-3f38-480d-8b59-aa9c112743b5.filesusr.com
• c2dd382a-f7bf-4f7f-8bcb-692d22f9336a.filesusr.com
• 75d43ddf-4c45-4b4e-a7df-824fc97be3e4.filesusr.com
• files.loyallyiserve.com
• files.gochamber.org
• 8cfe4f32-33f0-44ee-a387-54d0b9f0c86f.filesusr.com
• 99312745-ff5d-4760-a7d7-1c2936f55d96.filesusr.com
• e56fcf63-095a-4c3b-8960-d3a626cbeb4c.filesusr.com
• baa8079d-4fe8-41fe-91b8-6d5ea90c79d3.filesusr.com
• c3f51582-6665-4a1a-a551-dcf28f75916a.filesusr.com
• c657b806-b6e7-4d5e-b6cf-01131059d835.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report