Malicious PDF — malware analysis report

Static analysis result for SHA-256 adf0e4b6fb3667d8…

MALICIOUS

PDF

349.4 KB Created: 2015-08-28 11:35:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4510291a07e04c38a4534d6fd6f8ec75 SHA-1: f32f1ce9e92547b3ba3d259417c714c68918a00c SHA-256: adf0e4b6fb3667d8b2f14e898423850d70fa22c823b639c5b510ee1976cde09a
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is identified as malicious. While the document body is heavily obfuscated and unreadable, the presence of this malicious link strongly suggests an attempt to lure the user to a harmful site, likely for further exploitation or credential harvesting.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B8%D1%82+%D0%BD%D0%B0+shadow+fight+2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802444_fei__zagadka__piratskogo_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802446_skachat__drayvera__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802414_krasivuye__ramki__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052cd5.bin
a6671730563021066fa693e44ab2c687ea4fa8f07a65f03126a06e79a121a9d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52CD5 9676 bytes
font_01_sfnt_off0005486b.bin
7dcc6e8e67967ef7bb845034dd06fa8efa75269ffe26909b00c7f2601d40e9f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5486B 14784 bytes

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