MALICIOUS — 21e9e0_f6cf6a40395b4a2091db8179c2120985.pdf

MALICIOUS — 21e9e0_f6cf6a40395b4a2091db8179c2120985.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: 9c5ee4109b9f4aeec13f67b7f471678eaec498c8f9c79b4907271bbb6181a8bf
• SHA-1: 064a0d37094d8e8affa42728048d71bb148cf0b2
• MD5: bef83e534b0061bf15b094e406f84fa3
• ssdeep: 768:KgGzpDfmB6VZsI/BMTzCUClusv+ZDR4gPPr+DfC:XGFDmTGM/+NSt4gPT+Dq
• TLSH: T110309EF320ABEE8C3A876B43AEA211D56056D74D3027A6A045C9376CC4BC6FC5F509A1
• Submitted as: 21e9e0_f6cf6a40395b4a2091db8179c2120985.pdf
• File type: pdf · Size: 37382 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=at%2526t+code+of+business+conduct+violation, http://files.upperskagitlibraryfoundation.org/uploads/1/3/1/6/131607930/ec166a519f.pdf, http://files.sprinttriathlonchestnutforks.com/uploads/1/3/0/7/130775942/8160080.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.ru/wix?keyword=at%2526t+code+of+business+conduct+violation
• http://files.upperskagitlibraryfoundation.org/uploads/1/3/1/6/131607930/ec166a519f.pdf
• http://files.sprinttriathlonchestnutforks.com/uploads/1/3/0/7/130775942/8160080.pdf
• http://files.espressostoat.com/uploads/1/3/1/3/131398591/97216e81ea367c.pdf
• http://files.raceacrossoregon.com/uploads/1/3/0/7/130775192/bejepol.pdf
• http://files.rcbtr.org/uploads/1/3/1/3/131398292/7309969.pdf
• http://files.minshengchiu.com/uploads/1/3/1/4/131436978/3198544.pdf
• http://zutagova.janiferwheeler.com/uploads/1/3/1/6/131637836/refofasobuvebek.pdf
• http://files.eaglerivermassage.com/uploads/1/3/2/6/132681342/5863774.pdf
• http://vulub.pleis.us/uploads/1/3/1/4/131438304/guvozamuli_jupamusuzese_puwexudijarew_gozikajarox.pdf
• https://09c97758-a622-49bb-9ae1-15bf4ea4a371.filesusr.com/ugd/23a6c3_79f48d0f56ef4614878f7321bcc5474b.pdf?index=true
• https://b1fc389b-c433-4804-bd64-3d7daa0d5ccc.filesusr.com/ugd/dbbfd0_82274b0b1b19459f8a83f5fbc470feb9.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
• files.upperskagitlibraryfoundation.org
• files.sprinttriathlonchestnutforks.com
• files.espressostoat.com
• files.raceacrossoregon.com
• files.rcbtr.org
• files.minshengchiu.com
• zutagova.janiferwheeler.com
• files.eaglerivermassage.com
• vulub.pleis.us
• 09c97758-a622-49bb-9ae1-15bf4ea4a371.filesusr.com
• b1fc389b-c433-4804-bd64-3d7daa0d5ccc.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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