Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff488002a0d7bc1b…

MALICIOUS

PDF

185.1 KB Created: 2015-07-24 14:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e2f013eaaf409be7f98d9ef070ea46e5 SHA-1: 557e5a3857ba3fef850ad12ca98161b36067ad6c SHA-256: ff488002a0d7bc1b45631d34e2521689017794a3b7341035063e08dcfea8f4b5
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link and a high-confidence ML classification. ClamAV also identified it as Pdf.Dropper.Agent-7493498-0. The embedded URL points to a known malicious domain, indicating a likely attempt to redirect the user to a harmful website for phishing or malware delivery. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7493498-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7493498-0
  • 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%9A%D0%B0%D0%BC%D0%B5%D1%80%D0%B0+%D1%81%D0%BE+%D1%81%D0%BF%D1%83%D1%82%D0%BD%D0%B8%D0%BA%D0%B0+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B2+%D1%80%D0%B5%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%BC+%D0%B2%D1%80%D0%B5%D0%BC%D0%B5%D0%BD%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191603_perevodchik_s_armyanskogo_na_russkiy_angliyskimi_bukvami.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192024_pittakus_lor_mest_sedmoy_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192527_sherlok_holms_5_egipetskih_statuyetok_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024249.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24249 3556 bytes
font_01_sfnt_off00024fcc.bin
e7c9ded63c19dfcce566c73fdc743451c3996f63a818d18991d53e6f60d7718d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FCC 14300 bytes
font_02_sfnt_off00027c9d.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C9D 14468 bytes
font_03_sfnt_off0002a750.bin
e4940744470e2a61f44ad896c4d65030ebf6cb1b3445223ef34bcf42af5e218d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A750 6704 bytes
font_04_sfnt_off0002ba71.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA71 6084 bytes
font_05_sfnt_off0002ca06.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA06 3752 bytes

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