Malicious PDF — malware analysis report

Static analysis result for SHA-256 54a6a6fd6122af35…

MALICIOUS

PDF

186.1 KB Created: 2015-07-24 09:08:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 67d7dd65fd8e1613897b4865cd26e865 SHA-1: 3bd14082f8bdeb14238f4f5afb9e132eb51175a0 SHA-256: 54a6a6fd6122af353c9d34366b9e0f1055aa4683ac215c65a650058ed4b65fca
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 'http://botcraftman.ru/?lip&keyword=%D0%9F%D0%BE%D0%B4%D0%B3%D0%BB%D1%8F%D0%B4%D1%8B%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D1%83+%D0%B3%D0%B8%D0%BD%D0%B5%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B0&charset=utf-8' is the primary indicator of malicious intent. This suggests the document is designed to lure users to a harmful website.

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%9F%D0%BE%D0%B4%D0%B3%D0%BB%D1%8F%D0%B4%D1%8B%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D1%83+%D0%B3%D0%B8%D0%BD%D0%B5%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187712_asus_x54c_drayvera_setevoy_kontroller.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188038_toca_tailor_skachat_na_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189594_skachat_chit_na_bessmertie_v_ks_16.pdf

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
79674d65165b8289afe6e56e05a35470ca76a1df1fd540f83281d232e2670e8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25284 15268 bytes
font_02_sfnt_off000281b9.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281B9 14468 bytes
font_03_sfnt_off0002ac6c.bin
f8df377df58557178d27d0b1e1bec496e523d0feb8cfb2583397ca5dce923e0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC6C 6388 bytes
font_04_sfnt_off0002be81.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE81 6084 bytes
font_05_sfnt_off0002ce16.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE16 3752 bytes

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