Malicious PDF — malware analysis report

Static analysis result for SHA-256 3226c2d43e68d00c…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 00:50:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2921fb7ba5e403809f2791ade062e332 SHA-1: b674ed6c84ade9fc98eebe442e700b3dd3309ecf SHA-256: 3226c2d43e68d00c116df0768ccc641b345d430c10e86a7d99baccee549a6070
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 alert for a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a harmful site. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the specific lure.

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-7493826-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7493826-0
  • 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=Ethernet+controller+1186-4200+nodb+%D0%B3%D0%B4%D0%B5+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184262_windows_8_dlya_noutbuka_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186377_aleksey_bryancev_skachat_torrent_vse_albomuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184882_skachat_kontakt_master_polnuyu_versiyu_dlya_vzloma.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d4d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D4D 3556 bytes
font_01_sfnt_off00024ad0.bin
348ad72893d22e78e4ed34cb26b60de5cbfc73c4014786f38f2551332d8d8f7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AD0 14468 bytes
font_02_sfnt_off00027822.bin
93c2e64b2e1da6210a4293cf66e4578121d39d25e926377bc44027c375e0697f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27822 14808 bytes
font_03_sfnt_off0002a3bb.bin
54aa77c53b2165056e1ee57b25a14cec3dd1af7a36aa07886cfb08ae790e79b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3BB 7492 bytes
font_04_sfnt_off0002b9ed.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9ED 6084 bytes
font_05_sfnt_off0002c982.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C982 3752 bytes

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