Malicious PDF — malware analysis report

Static analysis result for SHA-256 34360d2fedbfcaa2…

MALICIOUS

PDF

379.1 KB Created: 2015-08-24 03:16:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 71bd679539f89f968ad3856722df4fc1 SHA-1: bcf8ddd21f698c4defaeaac5b9aa2995655dd349 SHA-256: 34360d2fedbfcaa2d9fc5281516e237c7a2bd0fb41ed130562beec2b0045cb45
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is identified as a malicious redirector. While no scripts were extracted, the PDF structure and the malicious URL strongly suggest an attempt to lure the user to a harmful site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9948

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%BA%D0%BE%D1%89%D1%83%D0%BD%D1%8B+%D1%84%D0%B8%D0%BD%D0%B8%D1%81%D1%82%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+fb2&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695482_skachat__doktor__alban_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4697/4697244_coreldraw__x4__sp2_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4696/4696471_ivanovo__detstvo__skachat_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a059.bin
26d2a9ec47cafcce344d3ba89e3a947540a27e7dcaf2ac21eef5cb5df1a6ce95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A059 8816 bytes
font_01_sfnt_off0005ba2b.bin
a49d92004d32add47f7b9d117ec1ecbff9c47d907d11f76a2acd2bd88f63a271		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA2B 17092 bytes

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