Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aad6b2414dc6ef8…

MALICIOUS

PDF

184.2 KB Created: 2015-07-24 08:41:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: dd1fb9d493308f413a2084efd8429625 SHA-1: 2c24a10783135f683df7f8d22f9b275c944da148 SHA-256: 9aad6b2414dc6ef8038fa98a08271bf8a8ba398c8caee2d08deb8c057a824092
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical finding for a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as malicious. This suggests the document's primary purpose is to lure the user to this malicious site, likely for phishing or to download further malware. 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-7494484-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494484-0
  • 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%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D1%82%D1%8C+%D0%BA%D0%BE%D0%B4+%D0%B2+%D0%B0%D1%80%D1%81%D0%B5%D0%BD%D0%B0%D0%BB%D0%B5+%D0%B4%D0%BE%D1%82%D0%B0+2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188151_muzhik_ebet_sobaku.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189198_skachat_aim_dlya_cs_16_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187836_zayavlenie_na_perevod_mt103_vtb_24.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023dfd.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DFD 3556 bytes
font_01_sfnt_off00024b80.bin
cf194a1180720fc7fe966c2c71be1f8f4094e02a173d4702998fe91a41a4d6bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B80 14864 bytes
font_02_sfnt_off000279a8.bin
083c247ab08f28272f4ed7a6b67a702c7475dd19613c25f0c2e29b0a96996489		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279A8 14468 bytes
font_03_sfnt_off0002a459.bin
421431ebf63797863e32ecfe8c2fcb2a490b0a7057be176811ff8ad2e1b9182f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A459 6480 bytes
font_04_sfnt_off0002b6d3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6D3 6084 bytes
font_05_sfnt_off0002c668.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C668 3752 bytes

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