Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ec23aa03ac78153…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 11:25:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4feb798452a32fa8d1c44a531b6f6327 SHA-1: 80fbc9199353affb48296a032dbecf13cfb7bc40 SHA-256: 2ec23aa03ac78153649b5bdda616836f499dea73bd938e479061341d5745fa16
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a malicious site. The ClamAV detection further supports its malicious nature. No scripts were extracted, but the embedded URL is sufficient evidence of a malicious redirection attempt.

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-7550387-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7550387-0
  • 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%94%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B5%D0%B1+%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%8B+defender+%D1%81+090&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190166_lego_star_wars_3_the_clone_wars_skachat_torrent_na_pc.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184773_raspisanie_prigorodnuyh_poezdov_barnaul.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186966_avatar_legenda_o_korre_porno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024042.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24042 3556 bytes
font_01_sfnt_off00024dc5.bin
feb4cc3a2ae9e8e848e5607975535ba30bbf993ce281fc0489cb03e4f7dd488e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DC5 14904 bytes
font_02_sfnt_off00027bed.bin
ce894ed390ab680b8fe30f7bcfb154ffcc0377d32aa1c5962620b8923c5519e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BED 14564 bytes
font_03_sfnt_off0002a6f3.bin
1b2992ed4e0a5967cd8b5653f2475dd555ecb0fe76fb709cdbb056563e5860e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6F3 7340 bytes
font_04_sfnt_off0002bc6d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC6D 6084 bytes
font_05_sfnt_off0002cc02.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC02 3752 bytes

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