Malicious PDF — malware analysis report

Static analysis result for SHA-256 b41c50b06517f365…

MALICIOUS

PDF

302.7 KB Created: 2015-08-23 23:47:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6f2d4df6be71a297716a742180ee3e80 SHA-1: eab769d14c732a9faccd57c29fd4cb1f056adbad SHA-256: b41c50b06517f36557ae9afc593154b8acd9605625de464a8314469fd31fc823
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector URL, indicating it is likely used for phishing or malware distribution. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' directly supports this finding. No scripts were extracted from this sample, and the document body was heavily obfuscated and truncated, preventing further analysis of the content's intent.

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%B7%D0%B2%D1%83%D0%BA%D0%B8+%D0%BA%D0%BE%D0%B2%D0%B1%D0%BE%D0%B5%D0%B2&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693040_skachat__programmu__zherebevki_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693131_1s__upravlenie__stroitelnoy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693036_skachat__windows__xp_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000477f8.bin
a129136feeb05f263adbb74605944f2a1bd585acc4eedf8133d736b445026c25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x477F8 7832 bytes
font_01_sfnt_off00048eb4.bin
2d9abc4dfb5934919e486a349518a1dca61f9690127f7fa10340362acbf9ad1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48EB4 14716 bytes

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