MALICIOUS — a4c1fa_3d93933ebc8e48dbae1883af99593528.pdf

MALICIOUS — a4c1fa_3d93933ebc8e48dbae1883af99593528.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (88/100). 3 of 54 detection engines flagged it.

Identification

• SHA-256: 4609f81016c606e41b3c8b8f0095952050b5394bb6c332de2861a21f2800671e
• SHA-1: fe8f216c1896042c5e19377dc87d6eb7b5032a3f
• MD5: 0d77a7fc72dc12c7201f159a14b81fe7
• ssdeep: 768:qgGzpD91Q2SI5+QhzyUX0rP1drhDb/h+W8prnZzNPTcytxQc5bXzH1QHw:3GFx1xFSJbQW8prZlTjTP5bDH1QHw
• TLSH: T1FF329DF750A7EC9C3BCA9B136EEA116D5149D78C6032ABA01488773CC07C5FDAE50661
• Submitted as: a4c1fa_3d93933ebc8e48dbae1883af99593528.pdf
• File type: pdf · Size: 43919 bytes
• Verdict: malicious (88/100)

Detections (3 of 54 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.cc/wix?keyword=fnaf+2+remastered+hack+apk, https://cdn.shopify.com/s/files/1/0440/3937/2965/files/6512497187.pdf, https://cdn.shopify.com/s/files/1/0461/4186/6137/files/dejij.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://ttraff.cc/wix?keyword=fnaf+2+remastered+hack+apk
• https://cdn.shopify.com/s/files/1/0440/3937/2965/files/6512497187.pdf
• https://cdn.shopify.com/s/files/1/0461/4186/6137/files/dejij.pdf
• https://cdn.shopify.com/s/files/1/0430/6888/3106/files/tamil_to_english_spoken.pdf
• https://cdn.shopify.com/s/files/1/0429/4184/1575/files/50180914799.pdf
• https://cdn.shopify.com/s/files/1/0434/8870/6717/files/96528426251.pdf
• https://6f945894-da8b-479f-a05c-a98dded5cac5.filesusr.com/ugd/8da65f_345ec37775a4475e88f2f58c8d4e6532.pdf?index=true
• https://203c8c4b-6b13-4c64-a5b6-bb94025aba3a.filesusr.com/ugd/8a4248_5107a6d09aa44c5a9d65f449f290d608.pdf?index=true
• http://lesuf.concertpixels.net/uploads/1/3/0/9/130969541/gopovuravomak-vegepuminanafif-nosojemuju.pdf
• http://files.irrelevantdeportes.com/uploads/1/3/0/9/130969809/e5b1c9356d396d5.pdf
• http://xifipero.bridgerbirthing.com/uploads/1/3/1/1/131163507/munowegazekan_nasorawogi_lajanetewapabe_xixogako.pdf
• http://zefed.centurybarnweddings.com/uploads/1/3/0/7/130739935/9e626f3af15cb.pdf
• https://cdn.shopify.com/s/files/1/0428/1306/3327/files/telupisutuwug.pdf
• https://cdn.shopify.com/s/files/1/0434/6055/9013/files/sagudot.pdf
• https://cdn.shopify.com/s/files/1/0461/7663/2986/files/ciras_confidential_reporting_system.pdf
• https://cdn.shopify.com/s/files/1/0434/5833/0786/files/mefamizozil.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

• ttraff.cc
• cdn.shopify.com
• 6f945894-da8b-479f-a05c-a98dded5cac5.filesusr.com
• 203c8c4b-6b13-4c64-a5b6-bb94025aba3a.filesusr.com
• lesuf.concertpixels.net
• files.irrelevantdeportes.com
• xifipero.bridgerbirthing.com
• zefed.centurybarnweddings.com
• www.w3.org
• purl.org
• ns.adobe.com

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