Malicious PDF — malware analysis report

Static analysis result for SHA-256 a630c8ea38171733…

MALICIOUS

PDF

296.3 KB Created: 2015-08-29 01:30:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 60b430a023b8e6bcd0429b292759a459 SHA-1: 6a437d34742c96c58a05df2d8adec9d470f0e57c SHA-256: a630c8ea38171733ad58e3af54d7e8531ba1e3ecc0c4b7f205351f1e36e5c6e9
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/ is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was unreadable, 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%BC%D1%82%D0%B0+13&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818233_zvuki_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817582_poisk__po_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817973_skachat__autodesk__maya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00045c82.bin
19271867d6c8fec5db6677b17fc2af19d7054093e2465a0d4322e6070417ec6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45C82 7844 bytes
font_01_sfnt_off00047330.bin
25572427b723ce8b70517860cfa7598cbf7989dfbc7c25d39c885ea7f50e74cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47330 15420 bytes

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