Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf63d50b7f237a8b…

MALICIOUS

PDF

353.9 KB Created: 2015-08-28 11:46:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 93aaf1cd69471f6e93b7fca035311930 SHA-1: 8971b95e5761c493a48654490b6dc56d2e94c202 SHA-256: cf63d50b7f237a8b8cccc7131278bd11706756d275d89fef35b2589e7290d993
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 points to 'botcraftman.ru', which is flagged as malicious. This suggests the document is designed to lure users to a harmful website. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact 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=%D1%87%D0%B8%D1%82%D1%8B+%D0%BD%D0%B0+war+thunder&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802498_teksturuy__dlya__minecraft_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802554_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802552_programma__dlya__dizaynera_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053cd9.bin
a740c9f0eb87e4112bf91856270981ae4976c4f58315b06e0013e8eaee73c4b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53CD9 9768 bytes
font_01_sfnt_off000557df.bin
c06be1587abfbc41744fd619a4ba50a46c8dc3bc1f0d186a0f19e7875cdcc8bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x557DF 15788 bytes

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