Malicious PDF — malware analysis report

Static analysis result for SHA-256 465a5a6f67cbfb90…

MALICIOUS

PDF

141.5 KB Created: 2015-08-25 22:09:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 50bffab4a6ac1f1afe1f2c680869a098 SHA-1: 3aa9352290c03f7d09fd1d542391d9bd9c52e22e SHA-256: 465a5a6f67cbfb9069d38e7ca64cb3dae0dccc20dc9e82d31f8d808e3b53fbb4
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector. The heuristic firing PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the embedded URL points to botcraftman.ru. No scripts were extracted, and the document body was unreadable, limiting further analysis of the exact lure.

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=02%D0%BC%D0%B0%D1%80&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740559_igruy__kvestuy__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740574_skachat__stalker__zov_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740581_skachat__kartu__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001f5ce.bin
b3cbcd8c8b89c3723e08faf814804342843264de1d53ae879dd75006866287c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F5CE 7872 bytes
font_01_sfnt_off00020c5b.bin
4d1625ac707d4ef760ffa55bceb7f6d63202d6764c4beaef9b1bf4e4e853b826		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20C5B 13268 bytes

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