Malicious PDF — malware analysis report

Static analysis result for SHA-256 51aad0148002e6c5…

MALICIOUS

PDF

355.0 KB Created: 2015-08-28 13:23:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8f2e7655a6f2820555644656b44ff9a5 SHA-1: 4249cced46ad6b4475d27e9d6a34cca0e1b48036 SHA-256: 51aad0148002e6c5f4d08b0ae1ae4e2bdc5e5c6aeb074a25826caaff7ae3df2e
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to a known malicious redirector at http://botcraftman.ru/. This suggests the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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=stargate+worlds+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802512_skrezhet__metalla__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802436_notuy__belorusskih_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4803/4803736_raspisanie__gorodskogo__avtobusa_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000548ed.bin
fbf1973d700dabe3342ab1291901caaebcafeeb21e15ec0d0676182604c5d463		 pdf-font-stream PDF embedded font (sfnt) at offset 0x548ED 8728 bytes
font_01_sfnt_off00056163.bin
7df0d40535223628df786cf90c8917bff3dd9f4796e560d63b45ef28d9f68340		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56163 14276 bytes

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