Malicious PDF — malware analysis report

Static analysis result for SHA-256 3744cf8ffd8fda33…

MALICIOUS

PDF

348.6 KB Created: 2015-08-26 09:56:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 594635da3110048e2fce2a45985a93fc SHA-1: 30eaf85a56f991637143a57c7e10c0c388e820db SHA-256: 3744cf8ffd8fda3398c9322edab443bab7fe84dc34610bd92d86ed9aaca7ce69
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 a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website for phishing or malware delivery. 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=%D0%B2%D0%BE%D0%B4%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D1%81%D0%BA%D0%B0%D1%8F+%D1%81%D0%BF%D1%80%D0%B0%D0%B2%D0%BA%D0%B0+%D0%B2%D0%BE%D1%80%D0%BE%D0%BD%D0%B5%D0%B6&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751768_skachat__zagruzochnuyy__disk_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751810_klyuch__k__igre_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751531_raspisanie__bogosluzheniy__v_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052693.bin
e449ff36e0a9187a402e353e950f7cf2a7f193fe211137eaa4da0c4758266b77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52693 8136 bytes
font_01_sfnt_off00053e1e.bin
357db391ecad77adfb8a4f1aa90abeee6f4d042eeef2f0b6ce4a7a20906f9749		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53E1E 17124 bytes

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