Malicious PDF — malware analysis report

Static analysis result for SHA-256 c56385c56fc6173f…

MALICIOUS

PDF

183.7 KB Created: 2015-08-08 10:35:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5c46bf386083b96e61252c6e3bb88aeb SHA-1: 25fe9e15c6d5e8e7d5b64d89dda850b162946ea6 SHA-256: c56385c56fc6173f07912925bcc7b8bb7d364e909cc8611d83019e73b5d1440c
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. This suggests the document's primary purpose is to lure the user to a malicious website. The embedded URL http://botcraftman.ru/?lip&keyword=%D0%B4%D1%83%D1%80%D0%BD%D1%83%D1%88%D0%BA%D0%B0+%D1%85%D0%B0%D0%BD%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8 is the highest priority IOC. No scripts were extracted from this sample.

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%B4%D1%83%D1%80%D0%BD%D1%83%D1%88%D0%BA%D0%B0+%D1%85%D0%B0%D0%BD%D0%B0+%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/6//4385/4385878_evaphone_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384716_windows_xp_home_edition_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385738_fz_o_statuse_voennosluzhaschih_2015_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d3a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D3A 3556 bytes
font_01_sfnt_off00024abd.bin
a8da8263009cfceff663af5c890a2ea21afb01eb06c8da294ef5d6140b942102		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ABD 14828 bytes
font_02_sfnt_off0002788c.bin
4bf0b9d13b52fca94e080eebe38ea56bb7a4c1920220f809d9f8f285dcc7d09f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2788C 14588 bytes
font_03_sfnt_off0002a39c.bin
51c7ce5c855b9753817c83de15cfa947747b86fa08ae6cd0fc5712077f28df9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A39C 6128 bytes
font_04_sfnt_off0002b4ce.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4CE 6084 bytes
font_05_sfnt_off0002c463.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C463 3752 bytes

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