MALICIOUS — 4809355_aleksandr__ostervalder__postroenie_.pdf

MALICIOUS — 4809355_aleksandr__ostervalder__postroenie_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (77/100). 3 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 6884b164f3e00b3095018ea85d02c6f28aa83820f3b13bef5bb62c6d78927091
• SHA-1: 3f6385df1c6e1c583aba9beaba91bb0e49f2a630
• MD5: aefd26ac5af19a57ae9e16957fcb53a5
• ssdeep: 6144:H+B88XgBufSOwNWk79ZRdT18BSL9dSTpbDkfWNsmBPZPW8Uy1h8ya7XCUl6jwfBO:q8i3w0CvTJodUfcsoPZ+8PKSoCfMq
• TLSH: T1314802F2E905A93CDA587A55BE39103C2E06816714E49B2174076CE273B53BF270EE78
• Submitted as: 4809355_aleksandr__ostervalder__postroenie_.pdf
• File type: pdf · Size: 373841 bytes
• Verdict: malicious (77/100)

Detections (3 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 77/100 is the fusion of 5 weighted signals:

• Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://img1.liveinternet.ru/images/attach/c/7//4809/4809156_tk__rf_.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%B0%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80+%D0%BE%D1%81%D1%82%D0%B5%D1%80%D0%B2%D0%B0%D0%BB%D1%8C%D0%B4%D0%B5%D1%80+%D0%BF%D0%BE%D1%81%D1%82%D1%80%D0%BE%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B1%D0%B8%D0%B7%D0%BD%D0%B5%D1%81-%D0%BC%D0%BE%D0%B4%D0%B5%D0%BB%D0%B5%D0%B9+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8, http://img1.liveinternet.ru/images/attach/c/7//4809/4809156_tk__rf_.pdf, http://img1.liveinternet.ru/images/attach/c/7//4809/4809140_skript__udaleniya_.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%B0%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80+%D0%BE%D1%81%D1%82%D0%B5%D1%80%D0%B2%D0%B0%D0%BB%D1%8C%D0%B4%D0%B5%D1%80+%D0%BF%D0%BE%D1%81%D1%82%D1%80%D0%BE%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B1%D0%B8%D0%B7%D0%BD%D0%B5%D1%81-%D0%BC%D0%BE%D0%B4%D0%B5%D0%BB%D0%B5%D0%B9+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809156_tk__rf_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809140_skript__udaleniya_.pdf
• http://img1.liveinternet.ru/images/attach/c/7//4809/4809327_videopleer__dlya__android_.pdf

Embedded domains

• botcraftman.ru
• img1.liveinternet.ru

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report