Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb7d714161fa2e5c…

MALICIOUS

PDF

185.3 KB Created: 2015-08-05 13:39:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ac99453d28622528076d54fe88ce95e8 SHA-1: a8a785b2701f8f456c75fa2754c44b677ede7f85 SHA-256: cb7d714161fa2e5c75fe1c800786254c17dd65b7a183eb144e1be8cd908bd0d2
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical finding for a link to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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.
  • ClamAV: Pdf.Dropper.Agent-8876305-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8876305-0
  • 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D1%80%D0%B0%D1%84%D1%82%D1%8B+%D0%B4%D0%BB%D1%8F+minecraft+152&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304567_skachat_multfilmuy_na_kompyuter_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304592_skachat_igru_resident_evil_4_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304554_igrat_sims_4_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e79.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E79 3556 bytes
font_01_sfnt_off00024bfc.bin
789bd877b930448004573a8c6885c76e57122d2a23dc5485970472a6467d96c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BFC 14568 bytes
font_02_sfnt_off000278fd.bin
5a9f645a424f7e53a8a09c3fb75a171e408b7b934574587cae33ee371ee41410		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278FD 15020 bytes
font_03_sfnt_off0002a557.bin
29d36326513a211fdb54a19507d2f87aa7b4a8617905bf0c9589c9de5cc4b060		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A557 7460 bytes
font_04_sfnt_off0002bb4d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB4D 6084 bytes
font_05_sfnt_off0002cae2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAE2 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.