Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cd1d7ef69ce1690…

MALICIOUS

PDF

353.9 KB Created: 2015-08-26 09:49:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 855d5a430b43fc9dd23804401ccf25e2 SHA-1: fa76744c20f012ecefe7222478cd260bba82d685 SHA-256: 6cd1d7ef69ce16908a4f0ad1285086d62572cf4a01a5cb89ec58bc9053dc2f16
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9897

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%9C%D0%B5%D0%B4%D0%B8%D0%B0%D0%BF%D0%BB%D0%B0%D0%BD%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%BE%D0%B2+%D0%B1%D1%83%D0%B7%D0%B8%D0%BD+%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//4751/4751669_wwf__smackdown__2_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751623_skachat__drayver__nvidia_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751798_skachat__diretix_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053e50.bin
028030ae3b10e54fdf949791cf48b1019cd1a2c35ca275a35be15a1a1ea2ef66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53E50 8620 bytes
font_01_sfnt_off00055746.bin
9a02e461a942951d09125c6f31edcafeb7991d007e59ff89eed2fb62d9ce05c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55746 16200 bytes

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