Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c2dbfa2118f6d23…

MALICIOUS

PDF

186.1 KB Created: 2015-07-25 12:38:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c63849e601d51a154a4aab745dc49262 SHA-1: a5f57f850f3f9df506f9c657fb2c3b4561358d46 SHA-256: 9c2dbfa2118f6d2381fed465eacc8a6d97793ada8300f03e239314484e0498b4
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware download site. No scripts were extracted, and the document body was not available for analysis.

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=%D1%88%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D1%8B+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%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://img1.liveinternet.ru/images/attach/c/5//4187/4187705_iptv__m3u.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204330_proshivki_ot_paulyusa_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4198/4198990_volkodav_mir_po_doroge_skachat_fb2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243f8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F8 3556 bytes
font_01_sfnt_off0002517b.bin
e2879829167e26d160bcb658cadbccc3269f8ea8ad9718b2b5bfc8ec0bfa4ce3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2517B 14992 bytes
font_02_sfnt_off00028050.bin
dabdb660fa76c96521aba54d863e7734373d780dd282672e866c33ba00859fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28050 14588 bytes
font_03_sfnt_off0002ab6b.bin
24253f2417de7a9a6973a4936ab64538223a5747f5de0d3ca67d58044cb12497		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB6B 6676 bytes
font_04_sfnt_off0002be84.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE84 6084 bytes
font_05_sfnt_off0002ce19.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE19 3752 bytes

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