Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d0c8e4f192dcc5…

MALICIOUS

PDF

363.0 KB Created: 2015-08-26 10:32:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 140e6be280c74239d119b59864d6671b SHA-1: bce20670b11d6f2d13f970cadcc76f4c50daa3a9 SHA-256: e6d0c8e4f192dcc5d52929cca8e0732b37c7005ea5a95660e8a5758c324f5d5c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious site, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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%B5%D1%80%D0%B2%D0%B5%D1%80%D0%B0+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+152+%D0%B3%D0%B4%D0%B5+%D0%BC%D0%BE%D0%B6%D0%BD%D0%BE+%D0%B6%D0%B5%D0%BD%D0%B8%D1%82%D1%8C%D1%81%D1%8F&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752536_volnistuye__uzoruy__spicami_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752755_sbornik__hitov__torrent_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752559_ogranichivayuschie__ubezhdeniya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000569f5.bin
6b4c98aba22f421ff7586166da4e6ce7eea866b621962bdf30cef222b49b49db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x569F5 8500 bytes
font_01_sfnt_off000582d8.bin
f11f94d95e8c3506e3b3c0124337af4a46af81baa27dd089f42e3accee15d3a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x582D8 12944 bytes

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