Malicious PDF — malware analysis report

Static analysis result for SHA-256 a79d93b25d3d2d77…

MALICIOUS

PDF

357.2 KB Created: 2015-08-28 11:46:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 45d10a7d0f2b01a8e853978a66394e3e SHA-1: 7b4df0b80e7f546c1c35a10837d151435110b84c SHA-256: a79d93b25d3d2d771fb6041aa903cc58a14d50df590b79c3ad34f0f44406e49a
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 the primary threat. No scripts were extracted, and the document body is heavily obfuscated, preventing further analysis of its specific lure. The file's purpose is to redirect the user to a potentially harmful website.

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%83%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D0%BA%D0%BB%D1%8E%D1%87%D0%B8+%D0%BA+%D0%B8%D0%B3%D1%80%D0%B0%D0%BC+%D0%BE%D1%82+%D0%B0%D0%BB%D0%B0%D0%B2%D0%B0%D1%80+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802596_zvuk__piluy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802451_scenariy__prazdnika__1_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802510_kod__aktivacii_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055003.bin
603e143cd031fd0b43b8039ea0e60eaa2a9d3bebdcffbaa1331ae96ad1a12364		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55003 8108 bytes
font_01_sfnt_off00056790.bin
ba9d252ac852aec5657c8e303e05c28618a3c8e0078a70f593c5b3fc99d8586a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56790 14560 bytes

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