MALICIOUS — 4809134_opera__mini__na_.pdf

MALICIOUS — 4809134_opera__mini__na_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 31c5ded0beee5c9113a5882f7ce3cfbd713097b93f011f922499202190b7b41e
• SHA-1: b173f2cfed82c6c1b028a6fa9d6635d81e492673
• MD5: e389e731e3719c08de36c21873fa2661
• ssdeep: 6144:07Ug417ka+XWCN5qCpAF6USubaLgmo45LyZc7ESNhlL/Wf4YtXDZVUN:0H4GPwCpAgoGge5LyZpSlzEvXkN
• TLSH: T11E4701F1E819BD6DC9AD36693D39903E2D4B921311F06B2A355648EB33B973B4348930
• Submitted as: 4809134_opera__mini__na_.pdf
• File type: pdf · Size: 350051 bytes
• Verdict: malicious (94/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Dropper.Agent-8756965-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13
• 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.Dropper.Agent-8756965-0 (rule Pdf.Dropper.Agent-8756965-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated suspicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4809/4809120_skachat__besplatno__igruy_.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%BE%D0%BF%D0%B5%D1%80%D0%B0+%D0%BC%D0%B8%D0%BD%D0%B8+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4809/4809120_skachat__besplatno__igruy_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4809/4809105_skachat__beluyy_.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

• http://botcraftman.ru/?lip&keyword=%D0%BE%D0%BF%D0%B5%D1%80%D0%B0+%D0%BC%D0%B8%D0%BD%D0%B8+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809120_skachat__besplatno__igruy_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809105_skachat__beluyy_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809115_otchetnost__ooo__na_.pdf

Embedded domains

• botcraftman.ru
• img1.liveinternet.ru

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report