Malicious PDF — malware analysis report

Static analysis result for SHA-256 0114791ff8af944c…

MALICIOUS

PDF

186.1 KB Created: 2015-07-24 19:31:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 66b3deb7891772115aca0c8ce0a57164 SHA-1: be7356aafe7fd45cd354b71d3a9fdaee8f7d9006 SHA-256: 0114791ff8af944cdcedf3231b083dd2435ecacfce82af11343eefa23097fd50
92 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a direct link to a known malicious redirector infrastructure. This indicates the document is intended to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

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%98%D1%80%D0%B8%D0%BD%D0%B0+%D1%81%D0%B5%D0%BC%D0%B8%D0%BD%D0%B0+%D1%81%D0%BA%D0%B0%D0%B7%D0%BA%D0%B8+%D1%8D%D0%BB%D1%8C%D1%84%D0%B8%D0%BA%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193741_programma_dzhestori.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192925_live_cd_windows_7_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193199_koduy_na_skayrim_na_prevraschenie_v_drakona.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024501.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24501 3556 bytes
font_01_sfnt_off00025284.bin
f4ab8b8e7f89e33f101bff2e862745fca8834a64e69d7be3a58cfdb0cc2d46ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25284 14852 bytes
font_02_sfnt_off0002810d.bin
90742c7871d0fc9473db2625e69b33d8a4c2653536a5d1f4f3f04ed92504e0e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2810D 14468 bytes
font_03_sfnt_off0002abc1.bin
92f3620699ee56e62e3bba7641233ed31d031d7701556ad9c1eff77a17a05d05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABC1 6580 bytes
font_04_sfnt_off0002be9d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE9D 6084 bytes
font_05_sfnt_off0002ce32.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE32 3752 bytes

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