MALICIOUS — 1cfee06d.pdf

MALICIOUS — 1cfee06d.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 055cf108463b27354ecf01bc3a22b556de5f81792146b778308417f02c3dc2cb
• SHA-1: b7689105d5502f422391a97bc4482eb43240e590
• MD5: 3cd8f3e8911b063071df4af2048ca2fc
• ssdeep: 1536:e/jcu1WNKSXH6pdp9Gx/XJyHtU3epv/7MmqHIJ:KDoapD9Gx/XJUOm7Si
• TLSH: T19036D0F3A227DE882E9A97477AE8145C708AE38C2437C7540498BA7CD4BC6BC7E11D50
• Submitted as: 1cfee06d.pdf
• File type: pdf · Size: 65866 bytes
• Verdict: malicious (94/100)

Detections (4 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated suspicious by URL analysis: https://static1.squarespace.com/static/5fbfd308239b0722912b0841/t/5fc113a89ee0f32b877902cf/1606489000276/duwomaxetuvokinuk.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://cctraff.ru/wb?keyword=able%20to%20extract%20professional%20pdf%20to%20excel, https://static1.squarespace.com/static/5fbfd308239b0722912b0841/t/5fc113a89ee0f32b877902cf/1606489000276/duwomaxetuvokinuk.pdf, http://purl.org/dc/elements/1.1/ - 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/wb?keyword=able%20to%20extract%20professional%20pdf%20to%20excel
• https://s3.amazonaws.com/zalisujezajaje/free_printable_quotation_marks_worksheets.pdf
• https://s3.amazonaws.com/pozokimepe/39775958779.pdf
• https://s3.amazonaws.com/biwuwukesazef/vaccine_worksheet_middle_school.pdf
• https://s3.amazonaws.com/xenavuxa/remobufexepoxepi.pdf
• https://s3.amazonaws.com/bulozor/guia_eroski_camino_del_norte.pdf
• https://s3.amazonaws.com/legapatatezisa/company_structure_sample.pdf
• https://s3.amazonaws.com/sinadi/composite_area_worksheet.pdf
• https://static1.squarespace.com/static/5fbfd308239b0722912b0841/t/5fc113a89ee0f32b877902cf/1606489000276/duwomaxetuvokinuk.pdf
• https://s3.amazonaws.com/votubukaxogilix/physioex_9.0_exercise_1_activity_4_answers.pdf
• https://s3.amazonaws.com/zikeko/11820373989.pdf
• https://s3.amazonaws.com/susopuzupure/tumaropamexasaditemal.pdf
• https://s3.amazonaws.com/vatosolikijike/abcd_movie_in_tamil.pdf
• https://s3.amazonaws.com/nilafafakem/tidemovonowebako.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
• s3.amazonaws.com
• static1.squarespace.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report