Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd5416ccb6f67d7d…

MALICIOUS

PDF

365.9 KB Created: 2015-08-26 10:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2d06d5b3f965675f0892125d8901e3ae SHA-1: ccd8a523f590f6707246beb8ae73af6e8874ea2c SHA-256: dd5416ccb6f67d7d532a7bb954ae0fc19dc1d1aee4d69004b61d4242748e589f
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this file as malicious. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D1%81+%D0%BA%D1%80%D0%B8%D0%BC%D0%B8%D0%BD%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D1%80%D0%BE%D1%81%D1%81%D0%B8%D1%8F+%D0%B1%D0%B5%D1%82%D0%B0+2&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751963_obrazec__zayavleniya__vzuyskatelya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752612_creative__console__launcher_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752111_klyuchi__dlya__revo_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056ca2.bin
109a2b16488e693129f0b2172656a8eb0745ff6274b838844f1627f431824fd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56CA2 9468 bytes
font_01_sfnt_off00058798.bin
c6af0ae30501970624ef56a75eb81c0fafeb24936927e716d5a7b990305a6881		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58798 16208 bytes

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