Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c00d58fbc420c1c…

MALICIOUS

PDF

186.3 KB Created: 2015-07-23 21:01:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c68c1ad8a14ccefa13e168e3d432caf0 SHA-1: 776e30ec5f5bb20224f518bad8ce5dc0f2932420 SHA-256: 6c00d58fbc420c1c8e1bcc44fe3b387cdf7ec551a310d54072a6501cddb8133a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is http://botcraftman.ru/. While no scripts were explicitly extracted, the PDF structure and the presence of embedded URLs suggest an attempt to lure the user to a malicious site, likely for further exploitation or credential harvesting.

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%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+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B5%D0%B1+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184672_epochta_mailer_skachat_besplatno_c_klyuchom.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184520_velikolepnuyy_vek_5_sezon_skachat_cherez_torrent.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002444c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2444C 3556 bytes
font_01_sfnt_off000251cf.bin
b8077f59ba540e169e76c1f443f74f81183ba4c63f6783903b988c2231a480bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251CF 15100 bytes
font_02_sfnt_off00028034.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28034 14468 bytes
font_03_sfnt_off0002aae6.bin
edaa528a9e28d1187411f6aac40af1e99eb22334e51524910a9c0113c7075296		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAE6 7092 bytes
font_04_sfnt_off0002bf79.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF79 6084 bytes
font_05_sfnt_off0002cf0e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF0E 3752 bytes

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