MALICIOUS — jesejexa.pdf

MALICIOUS — jesejexa.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: dd5f0a7f42d254c27992a940bcab8a38bc942037ef762dd884e510bfdefc21e0
• SHA-1: baac87325e626dcfd2a26e8864813c78a78ee456
• MD5: 3124e903513dae18df8baeb01cc38589
• ssdeep: 768:MBgGzpDIvOxFgpnpTgqABxV6TkLNfKLc6ufO7ncnuoQrHJhn8:fGFEvVn8BbrhfKw/27iephn8
• TLSH: T15331AEF301A7DD8C3AC7DB136ED6285DA485C7889032967869D83B7CC47C3AD2E51862
• Submitted as: jesejexa.pdf
• File type: pdf · Size: 40581 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://cctraff.ru/strik?keyword=applied+mergers+and+acquisitions+bruner+pdf+download, http://sujifu.vanessayoung.net/uploads/1/3/1/6/131636648/243638bd.pdf, http://files.somersetsnowsportsservicing.com/uploads/1/3/0/7/130739265/618ef864e3f3c14.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://cctraff.ru/strik?keyword=applied+mergers+and+acquisitions+bruner+pdf+download
• http://sujifu.vanessayoung.net/uploads/1/3/1/6/131636648/243638bd.pdf
• http://files.somersetsnowsportsservicing.com/uploads/1/3/0/7/130739265/618ef864e3f3c14.pdf
• http://files.starladeanmft.com/uploads/1/3/1/3/131381675/zisesitolimogedaxebi.pdf
• http://zenus.themindfulmamablog.org/uploads/1/3/1/0/131070301/bewadeveke_bofapodotenexe_badegokaxosor.pdf
• http://bajilew.lilcameronwrites.com/uploads/1/3/2/7/132740449/6b6edd1152.pdf
• https://site-1037900.mozfiles.com/files/1037900/kumele.pdf
• http://files.frankmshih.com/uploads/1/3/2/7/132741334/wodadoloki.pdf
• http://nupagu.reviewgraphs.com/uploads/1/3/1/6/131636825/jizamitolozit.pdf
• https://site-1036651.mozfiles.com/files/1036651/42831639591.pdf
• https://site-1037189.mozfiles.com/files/1037189/zubudusajapakebowudaf.pdf
• https://site-1036724.mozfiles.com/files/1036724/77575732291.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

• cctraff.ru
• sujifu.vanessayoung.net
• files.somersetsnowsportsservicing.com
• files.starladeanmft.com
• zenus.themindfulmamablog.org
• bajilew.lilcameronwrites.com
• site-1037900.mozfiles.com
• files.frankmshih.com
• nupagu.reviewgraphs.com
• site-1036651.mozfiles.com
• site-1037189.mozfiles.com
• site-1036724.mozfiles.com
• www.w3.org
• purl.org
• ns.adobe.com

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