Malicious PDF — malware analysis report

Static analysis result for SHA-256 c581cfe805797574…

MALICIOUS

PDF

378.8 KB Created: 2015-08-28 11:40:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 619a6de8a7df1ad07d214920fb00f71f SHA-1: 996efb639eab26fec03c1e3d0622bda5455fc4d1 SHA-256: c581cfe8057975744ea6b1d6a0ccfa0531cbac0ad531c5bd92f8d84728423b24
60 Risk Score

Malware Insights

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

The PDF contains an embedded link identified as a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. The link http://botcraftman.ru/?lip&keyword=%D0%B4%D0%B5%D0%BA%D1%83%D0%BF%D0%B0%D0%B6+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8 is the primary indicator of this malicious intent. No scripts were extracted, limiting further analysis of the delivery mechanism.

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%B4%D0%B5%D0%BA%D1%83%D0%BF%D0%B0%D0%B6+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%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//4802/4802386_skachat__gta_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802400_zayavlenie__na__vozvrat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802380_skachat__minecraft__0_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059d1e.bin
abb5ad13c1ef989282338c04f37c82d3cf722730139aecc8d256d92643b0b09b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D1E 9412 bytes
font_01_sfnt_off0005b89b.bin
a48c17ca312e823ea95c8edf42cc87500b9deda91842832b103dfba1bd2d024c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B89B 16768 bytes

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