Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bd10fbbd13f6bfa…

MALICIOUS

PDF

182.4 KB Created: 2015-08-09 09:27:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ef4f919484b93e7fdcd7cd5436a725d5 SHA-1: 6c4efc740ce78be379e7fb7aa2f286fc5aa6fa97 SHA-256: 3bd10fbbd13f6bfac1285dd16b6cada4a982f99122900991e6ae6c53cdb850c3
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B1%D0%BE%D1%82%D1%8B+%D0%BD%D0%B0+%D0%B0%D0%B4%D0%B2%D0%B0%D0%BD%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4404/4404884_fallout_2_treyner.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4394/4394933_igra_dalnoboyschiki_2_skachat_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389268_skachat_simulyator_krana_2015.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002399c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2399C 3556 bytes
font_01_sfnt_off0002471f.bin
fbcbf3c065090f426c08fc0f1ec811f4fbd701528f6f1507b9a0ccc9ee2dc49f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2471F 14660 bytes
font_02_sfnt_off00027496.bin
163142455a5560a1f6759d0ead96de5f50a47653c77b96353ea21901cf90e8c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27496 14468 bytes
font_03_sfnt_off00029f4a.bin
6afdb8744105449373cf546cea0ed36387dd9ca58b82bc2009cc9bb709293d0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29F4A 6008 bytes
font_04_sfnt_off0002aff9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AFF9 6084 bytes
font_05_sfnt_off0002bf8e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF8E 3752 bytes

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