Malicious PDF — malware analysis report

Static analysis result for SHA-256 32a996b3958e18c3…

MALICIOUS

PDF

352.2 KB Created: 2015-08-19 16:13:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2a029905bfe8b20f12ef9fcb8a0dce56 SHA-1: 888562902680fc72674c89fa1d3510b7bb982726 SHA-256: 32a996b3958e18c3fda462d7cfb0ba770ad4e90066ff1d68ee530b41aef5b766
92 Risk Score

Malware Insights

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

The PDF file contains an embedded link that redirects to a known malicious domain, botcraftman.ru. This indicates a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BF%D0%B5%D1%80%D0%B5%D0%BF%D0%B5%D0%BB%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627522_reimage.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627250_birka_na_ognetushitel_obrazec.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627937_pedsovet_v_dou_po_fgos_skachat_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053c0e.bin
f3e35c168b6a65f4b5b2b338665a6ab8bcb6a8b004fd0b96a1095b2e9793bfb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53C0E 7496 bytes
font_01_sfnt_off000551ea.bin
4e222a797ec9385742725c7e426c5c8f0662979154686c0336c7d23a288f3fbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x551EA 15168 bytes

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