Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0ad085391abf213…

MALICIOUS

PDF

186.4 KB Created: 2015-07-23 20:41:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2d2a627a23e692fb24698784ec30aab2 SHA-1: 40bd49e34db9cb7312e939057c2c4fab3bebe70b SHA-256: e0ad085391abf213ebd5eef383e90ff948f8d50f4927e7be6f0cc220c3ed3259
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector, http://botcraftman.ru/. This indicates the document is likely a lure designed to redirect users to a malicious site. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The presence of a malicious redirector is the primary indicator of compromise.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%B7%D1%83%D0%BC%D0%B0+2+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184443_novuye_biss_koduy_na_2015_god_sputnikovogo_televideniya.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183243_urok_3.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184550_programma_dlya_uskoreniya_igr_na_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024590.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24590 3556 bytes
font_01_sfnt_off00025313.bin
d4e12b60f87c84c70178afa9278fc8a16a8735777ca72fd99a45f2c64815c342		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25313 14600 bytes
font_02_sfnt_off000280da.bin
1bdb34460530df544f3708516b9bff2a8899c1e4c5605cca86f0484fc167616c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280DA 14468 bytes
font_03_sfnt_off0002ab8c.bin
c9b3d8187267ae5a14c8ba1383403029b83b2c7e7b39c3909d9baf96f178d5bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB8C 6912 bytes
font_04_sfnt_off0002bfa3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFA3 6084 bytes
font_05_sfnt_off0002cf38.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF38 3752 bytes

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