Malicious PDF — malware analysis report

Static analysis result for SHA-256 04add2cee30f2e02…

MALICIOUS

PDF

370.8 KB Created: 2015-08-28 00:26:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3cfb14875aedc733557d90d16082db7a SHA-1: cacf211d1b2d59eaba6812227312f2f099d48657 SHA-256: 04add2cee30f2e02fbb3ede10311820b1d1764936def24b5c92f8bb81653ec8b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is confirmed as malicious and likely serves as a lure for users to download potentially harmful content or engage in phishing. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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+java+150+%D0%B4%D0%BB%D1%8F+minecraft&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787850_papka__peredvizhka__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788775_skachat__bazu__dannuyh_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788354_drayver__dlya__printera_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000581d0.bin
26bc223ef185828a7ef11136656479e33ccbc9efae57215b9e52ddeb59c14d25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x581D0 9580 bytes
font_01_sfnt_off00059c51.bin
7cb03b944f28a8b92c9a744b867a7452eb8ad67afa029436e70fe43ebefa9061		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59C51 15440 bytes

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