Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a678a30394a6dd2…

MALICIOUS

PDF

348.7 KB Created: 2015-08-24 00:20:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: f8303aac396dd5e3dd20213bae0675ba SHA-1: 8056647d109b24317489eaa27ce0ea6baf6f853f SHA-256: 6a678a30394a6dd2688b080d215405388d92ba3836a5044972f819633e9f3f4b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link that points to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious redirector suggests an attempt to lure the user to a harmful site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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+%D1%84%D1%80%D0%B0%D0%BF%D1%81+357+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D0%BF%D0%BE%D0%BB%D0%BD%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693024_maynkraft__v__realnoy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693044_skachat__knigu__50_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693354_scenariy__dnya__rozhdeniya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052e8a.bin
3ac60809e6ebaac3588be825c304e3356d1620e3a07eef4c974aa3ae7c8f9273		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52E8A 9332 bytes
font_01_sfnt_off0005485f.bin
845066c90a346597db11367e3f516e10588403caca9657ba382aaa8c9c28b557		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5485F 13560 bytes

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