Malicious PDF — malware analysis report

Static analysis result for SHA-256 23b776a64e8eef93…

MALICIOUS

PDF

337.5 KB Created: 2015-08-28 03:46:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8744441380437eb9f3803f0afcd5f14e SHA-1: fc23a664e0ae1ba086bbf4cbf75cedf005dce66c SHA-256: 23b776a64e8eef93192b0daa93ffc70b62f50552ed06e166492e46a4a1ce8172
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains an embedded link that points to a known malicious redirector. This heuristic indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+fb2+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B1%D0%B5%D0%B7+%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%86%D0%B8%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4792/4792486_videopleer__dlya__android_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4790/4790148_reshebnik__po__russkomu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788868_skachat__flash__player_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004f920.bin
438829c59d8153f91eeb26e36010e9e6f9e83f8ced0d74470bfad0e9aac2b4e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F920 8396 bytes
font_01_sfnt_off000511f2.bin
249af249188d8883493d32e581e759ec013c5c0cd8efeb248b3106032236cf98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x511F2 17324 bytes

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