Malicious PDF — malware analysis report

Static analysis result for SHA-256 f493fb36a295b6a4…

MALICIOUS

PDF

373.3 KB Created: 2015-08-25 15:09:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 90211495f48a08a499190ee7dd579451 SHA-1: 4edc32659a0f8c95fe100eead349d795c6e60786 SHA-256: f493fb36a295b6a42a195333c09b477374f8e78b3c0d00b65eb29c5e1cf7b16c
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D1%87%D0%B0%D1%80%D0%BA%D0%B0+%D0%BD%D0%B0+%D0%BF%D0%BE%D1%81%D0%BE%D1%88%D0%BE%D0%BA+%D1%81%D0%BB%D0%BE%D0%B2%D0%B0+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8&charset=utf-8' is identified as a malicious redirector. This suggests the PDF's primary purpose is to lure users to a harmful site.

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%87%D0%B0%D1%80%D0%BA%D0%B0+%D0%BD%D0%B0+%D0%BF%D0%BE%D1%81%D0%BE%D1%88%D0%BE%D0%BA+%D1%81%D0%BB%D0%BE%D0%B2%D0%B0+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4731/4731555_skachat__porno__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4731/4731693_minecraft__klyuchi_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4731/4731924_zvuk__unitaza_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058b7b.bin
4dad289833b66a204226faca2cd8e445981a279e7a7ae3ebc4ea978972002ee9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58B7B 9252 bytes
font_01_sfnt_off0005a55d.bin
ac2b03a9cab898644ae9ef0faa228f22c71fda5a7c02f74b21449e1e087df7af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A55D 15708 bytes

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