Malicious PDF — malware analysis report

Static analysis result for SHA-256 48f76bb8d13ecd7d…

MALICIOUS

PDF

184.5 KB Created: 2015-07-23 21:16:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3bd6d7c3a057d7cf5ad2ddc6be2ff8c2 SHA-1: a70e91c648aeae3cefff98ebe5822364d5672acf SHA-256: 48f76bb8d13ecd7dc8122cf22af48a9db0e4e6e3eeafff19d95e7fa576d17c8f
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 a known malicious redirector. This suggests the document is designed to lure the user to a malicious website. The redirector URL is http://botcraftman.ru/?lip&keyword=%D0%9F%D0%BB%D0%B0%D0%BD%D1%88%D0%B5%D1%82%D0%BD%D0%B8%D0%BD%D0%B8%D0%BA+irbis+td72&charset=utf-8. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%BB%D0%B0%D0%BD%D1%88%D0%B5%D1%82%D0%BD%D0%B8%D0%BA+irbis+td72&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184663_otvetnoe_slovo_vuypusknikov_na_vuypusknom_vechere.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184536_skachat_soni_vegas_pro_10_na_russkom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183189_lada_proekt_s.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a58e.bin
0a11a59a277a104d1384a8007f5ae54d08de9513c5a9528e0609cd68e53c0a4e		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A58E 6552 bytes
font_00_sfnt_off00023d49.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D49 3556 bytes
font_01_sfnt_off00024acc.bin
6bdb3b75a6113275c373923bd4beacd9083f95318fe3a36da4e3c85955fa3430		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ACC 15016 bytes
font_02_sfnt_off000279c3.bin
b5aef6fe327dff9ce827127a19f38393431cf052b83481254d7dbc1aebb5f304		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279C3 14812 bytes
font_04_sfnt_off0002b83e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B83E 6084 bytes
font_05_sfnt_off0002c7d3.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7D3 3752 bytes

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