Malicious PDF — malware analysis report

Static analysis result for SHA-256 e10cf1d75c17aa98…

MALICIOUS

PDF

355.2 KB Created: 2015-08-27 23:36:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: d5c15efc12c2dbd3ae0af5365bb9de23 SHA-1: 0476a7de3dbd928dff9b42415374fa8758dbad89 SHA-256: e10cf1d75c17aa982fe28381d9fc0170df6ac1754f1ec8054113f7e033b2d277
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. No scripts were extracted, limiting the analysis of the exact payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9897

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D1%81%D0%BA%D0%BB%D0%B5%D0%B8%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F+%D1%84%D0%BE%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D0%B9+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787804_battle__engine__aquila_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787894_skachat__vse__albomuy_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054583.bin
5d7b91f207077fc39724cb87ca45774f4e00b69a36db2aff43084d5c0e9bdc7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54583 9956 bytes
font_01_sfnt_off000560b9.bin
f41527ef3cafeb13f05275ec639fea66fbf89cd2c1bf1a0a2e8615de5f829cec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x560B9 14528 bytes

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