Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5b510b44aa03519…

MALICIOUS

PDF

348.5 KB Created: 2015-08-24 01:47:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 407aaf37c638457f7e44ecdd5590fbdb SHA-1: 4d0d0ceceafecad1191c880fa79deae0aa8c2902 SHA-256: d5b510b44aa03519d4175b9460cb8542ffa319baf531afbf87a0f24ee49b2f9c
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/ directs to a site that is likely used to host phishing content or distribute malware. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact 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%B0%D1%80%D1%82%D1%8B+%D0%B4%D0%BB%D1%8F+warcraft+3+frozen+throne&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695624_vorovayki__vse__pesni_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695121_kod__oshibki_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695757_skachat__drayvera__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052873.bin
2048da735c7c140c2db772fb89e06a5471141d061d0a68692ebe38b9d3cc180f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52873 8524 bytes
font_01_sfnt_off0005404c.bin
759f20628a1caa98b99a870a9505fb1ff5f41eff9674174e8e18d75e12761351		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5404C 16656 bytes

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