Malicious PDF — malware analysis report

Static analysis result for SHA-256 b54696776c7818eb…

MALICIOUS

PDF

184.6 KB Created: 2015-07-25 12:30:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 76f7d63a2f716855f1a2b3581475e2dd SHA-1: ea7abc5c88e6de58b6055171d3ec9678c283d1da SHA-256: b54696776c7818eb517a7966d73f1105d43874482d911ca5ca7d52a2268a5aac
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=%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD+%D1%83%D0%B4%D0%BE%D1%81%D1%82%D0%BE%D0%B2%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BC%D0%B2%D0%B4&charset=utf-8, is the primary indicator of malicious intent. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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=%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD+%D1%83%D0%B4%D0%BE%D1%81%D1%82%D0%BE%D0%B2%D0%B5%D1%80%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BC%D0%B2%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190805_adresnaya_baza_dannuyh_zhiteley_sankt_peterburga_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189161_skachat_albom_zippo_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192895_shablon_koronuy_iz_bumagi_raspechatat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f17.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F17 3556 bytes
font_01_sfnt_off00024c9a.bin
829656e84b849a6e13d14a0be18440f9bb374ad6710f516b65b14fa4e18b3288		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C9A 14580 bytes
font_02_sfnt_off00027ab5.bin
a20ef4c3db2d6f25387849681f2ec3c5b7f73c2c58e06f1e72108716df46be65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AB5 14520 bytes
font_03_sfnt_off0002a58f.bin
6d879badfdeb2e597316a1a5f9c78c4c4ceb8599ce7522c2207939b6939f00f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A58F 6644 bytes
font_04_sfnt_off0002b897.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B897 6084 bytes
font_05_sfnt_off0002c82c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C82C 3752 bytes

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