Malicious PDF — malware analysis report

Static analysis result for SHA-256 9efa1ed3eba4b6d4…

MALICIOUS

PDF

362.7 KB Created: 2015-08-26 10:07:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 92726a8975f365f18740a05ead031aea SHA-1: 76ce744c1d229f0a274d79ec6e888e66eb5e609f SHA-256: 9efa1ed3eba4b6d4058b5faadcf0979e5d82b4744c6d42a9cfcae779ca35e0cd
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of a link to a known malicious redirector infrastructure. This suggests the document is designed to lure users to a harmful website. No scripts were extracted from this sample, and the document body was heavily obfuscated, preventing further analysis of its specific content or intent beyond the malicious link.

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%98%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F+%D0%BF%D0%BE+%D0%BE%D1%85%D1%80%D0%B0%D0%BD%D0%B5+%D1%82%D1%80%D1%83%D0%B4%D0%B0+%D1%82%D0%B5%D1%85%D0%BD%D0%BE%D0%BB%D0%BE%D0%B3%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752341_brat__iznosiloval__sestru_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751987_skachat__multik__ledyanoy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751722_otvetuy__k__igre_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056b8b.bin
fcdc390147f66f7df40aaedaeecbc3bb6c35618236e70470dd87ef00842b89e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56B8B 7988 bytes
font_01_sfnt_off00058292.bin
b60b92400855ede34a40391a41264d7bf7fb3c23d7bd38862498bcb90c33fe3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58292 12680 bytes

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