MALICIOUS — a4ea6c_41481c817021444a816a1fd5d041f3eb.pdf

MALICIOUS — a4ea6c_41481c817021444a816a1fd5d041f3eb.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: 575a739a9b790656cc6ed43aa0b0810ed5c3f987119c930ed77b6230aa0401f2
• SHA-1: 0ddae36a6d7f074a7b4935a350e570737aad2f63
• MD5: 46c9e2f4277af4f47602c999209f5829
• ssdeep: 768:ZgGzpDJEyhk1Pd2LZARtm1VwNWS/xO3op7TCqqN:aGFtW1yZARkSJFTCqqN
• TLSH: T16E30AEF3606BDC8C27CADF13AAA60018644AD6CC313697701DD8B36CC8B85FE9E51961
• Submitted as: a4ea6c_41481c817021444a816a1fd5d041f3eb.pdf
• File type: pdf · Size: 35810 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.link/wix?keyword=volume+of+cylinders+and+rectangular+prisms+worksheet, http://files.bahainorthflorida.com/uploads/1/3/1/4/131438062/ruborumure-pujikiva-tobose.pdf, http://files.quitosltd.com/uploads/1/3/2/6/132681938/5b6a0c74.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.link/wix?keyword=volume+of+cylinders+and+rectangular+prisms+worksheet
• http://files.bahainorthflorida.com/uploads/1/3/1/4/131438062/ruborumure-pujikiva-tobose.pdf
• http://files.quitosltd.com/uploads/1/3/2/6/132681938/5b6a0c74.pdf
• http://powak.laslenguitasclasses.com/uploads/1/3/0/9/130968996/6187783.pdf
• https://cdn.shopify.com/s/files/1/0429/4279/1839/files/bank_secrecy_act_full.pdf
• http://siweb.carolmeadsart.com/uploads/1/3/1/4/131453960/40bac6d1884291b.pdf
• http://bumibezo.nejcrwc.com/uploads/1/3/0/7/130739235/kamikifo.pdf
• https://3d5b0252-70c3-4101-8ee6-f43234f73917.filesusr.com/ugd/2994dd_b06afcafc960404d83404fd1bd266119.pdf?index=true
• https://94b3b21d-14ee-4d2b-a80f-d993f6e6c342.filesusr.com/ugd/8bf3fc_30acbcf13065495898cd4174eed0d719.pdf?index=true
• https://5ea413f3-7c38-460c-b283-62d744c7cefc.filesusr.com/ugd/80bfa9_cf8eb9b8920940e79f4332959a65035b.pdf?index=true
• https://46bd80b1-0df3-4b90-bd10-b66414f5ba08.filesusr.com/ugd/221eaa_c4bdd0c60cd1461aa4ed16bf148626df.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.link
• files.bahainorthflorida.com
• files.quitosltd.com
• powak.laslenguitasclasses.com
• cdn.shopify.com
• siweb.carolmeadsart.com
• bumibezo.nejcrwc.com
• 3d5b0252-70c3-4101-8ee6-f43234f73917.filesusr.com
• 94b3b21d-14ee-4d2b-a80f-d993f6e6c342.filesusr.com
• 5ea413f3-7c38-460c-b283-62d744c7cefc.filesusr.com
• 46bd80b1-0df3-4b90-bd10-b66414f5ba08.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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