Malicious PDF — malware analysis report

Static analysis result for SHA-256 c47954d06a621749…

MALICIOUS

PDF

345.7 KB Created: 2015-08-27 10:12:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 666191e5f985c24f80fc0fe62b0eb265 SHA-1: 8da3f6da7a88387223f21e8f9e4930ee86765ec9 SHA-256: c47954d06a621749990e937cec660af758a37cbf1bdf0655bd12bc17fb17811a
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a compromised or malicious website. The embedded URL `http://botcraftman.ru/?lip&keyword=%D0%97%D0%B0%D0%B2%D0%B8%D1%81%D0%B8%D0%BC%D1%8B%D0%B5+%D0%B2%D1%8B%D0%BF%D0%B0%D0%B4%D0%B0%D1%8E%D1%89%D0%B8%D0%B5+%D1%81%D0%BF%D0%B8%D1%81%D0%BA%D0%B8+%D0%B2+excel&charset=utf-8` is the primary indicator of this malicious behavior. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of the document's specific 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=%D0%97%D0%B0%D0%B2%D0%B8%D1%81%D0%B8%D0%BC%D1%8B%D0%B5+%D0%B2%D1%8B%D0%BF%D0%B0%D0%B4%D0%B0%D1%8E%D1%89%D0%B8%D0%B5+%D1%81%D0%BF%D0%B8%D1%81%D0%BA%D0%B8+%D0%B2+excel&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771975_skachat__igru__cherez_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772511_tanki__onlayn__testovuyy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771879_windows__8__polnaya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051b9e.bin
c772395aaef8f71646609150aa793fac84b61e9d7ecd26ea7a693156d537ad18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51B9E 8856 bytes
font_01_sfnt_off000534b1.bin
ef82184b186ee168d3b1a04666bdf2d8f1cb43265e752028a655e45761ec5f65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x534B1 16504 bytes

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