Malicious PDF — malware analysis report

Static analysis result for SHA-256 3027e0eaa6a644b8…

MALICIOUS

PDF

341.8 KB Created: 2015-08-29 01:46:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2d37f2fe9e2b1f54056c4abbef49b080 SHA-1: c06ea9ad87ab12ee860d07e2624db98017230ce7 SHA-256: 3027e0eaa6a644b88c3a844583daea3f82915778731a55028a85e140a80047a6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The presence of this link suggests the document is designed to lure the user to a malicious website, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B6%D0%B8%D0%B7%D0%BD%D0%B5%D0%BD%D0%BD%D1%8B%D0%B5+%D1%86%D0%B5%D0%BB%D0%B8+%D1%87%D0%B5%D0%BB%D0%BE%D0%B2%D0%B5%D0%BA%D0%B0+%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817876_skachat__film__seks_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818352_kak__pereimenovali_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818016_sochinenie__ya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051ba5.bin
e38e664786f018f62cf2907c2e5648f87cc3a6e0b7415d82f94ca3d75429d648		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51BA5 8184 bytes
font_01_sfnt_off00053367.bin
ed4dcd40d6594998ad34af9cdffd64c27d696e67e02eceb4325369870a6476a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53367 11224 bytes

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