Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7286f823ae2a136…

MALICIOUS

PDF

348.2 KB Created: 2015-08-28 11:46:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 586ef3565179a7b0b6ead1bfcf94a457 SHA-1: a5c67f8c91f3756e3b928c1d6a5482eace641797 SHA-256: c7286f823ae2a13695c65aa1bf93e82af08a556b66f6d8cb5f01a5427f649967
68 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment T1071.001 Web Protocols

The PDF file contains embedded JavaScript, which is a common technique for delivering malicious content. Additionally, a critical heuristic identified a link to known malicious redirector infrastructure at http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious site, likely for phishing or malware distribution. The embedded JavaScript and the malicious URL are the primary indicators of compromise.

Heuristics 3

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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%BA%D0%B0%D0%BB%D0%BE%D1%80%D0%B8%D0%B9%D0%BD%D0%BE%D1%81%D1%82%D1%8C+%D0%B3%D0%BE%D1%82%D0%BE%D0%B2%D1%8B%D1%85+%D0%B1%D0%BB%D1%8E%D0%B4+%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802633_wasteland__2_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802486_klyuch__win7__professionalnaya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802370_himicheskiy__sostav__moloka_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000528de.bin
b0f55081387e5ffa612503ecfa84a487a95d3d3626748f585b01af4c54fa672d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x528DE 9076 bytes
font_01_sfnt_off0005433e.bin
76352171cc2b9d77f64c23ed2014b8203c53ab76c8f4ea21264256560d416aa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5433E 14716 bytes

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