Malicious PDF — malware analysis report

Static analysis result for SHA-256 b886d101bc0160e5…

MALICIOUS

PDF

186.7 KB Created: 2015-08-08 09:41:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 70e59681d69a0dea322ddc41e6e0920e SHA-1: 875cdb9952c3af2bbc7141e2ff5d8070b3946df5 SHA-256: b886d101bc0160e5264eef4bf72400488e8185065b9af2d549771267c743c3ce
120 Risk Score

Malware Insights

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

The file is a PDF document identified by ClamAV as Pdf.Dropper.Agent-7627159-0. It contains an embedded URL pointing to 'http://botcraftman.ru/', which is flagged as a malicious redirector. This suggests the PDF is designed to lure users to a malicious site, likely for phishing or malware delivery. No scripts were extracted, limiting further analysis of the payload.

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-7627159-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7627159-0
  • 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%BA%D0%B0%D0%BA+%D0%BE%D1%82%D0%BA%D1%80%D1%8B%D1%82%D1%8C+%D0%B2+%D0%B3%D1%82%D0%B0+%D0%BA%D1%80%D0%B8%D0%BC%D0%B8%D0%BD%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D1%80%D0%BE%D1%81%D1%81%D0%B8%D1%8F+%D0%B1%D0%B0%D0%B3%D0%B0%D0%B6%D0%BD%D0%B8%D0%BA+%D0%BD%D0%B0+%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383878_skachat_photoshop_cs6_portable_rus.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384234_interstellar_marines_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383757_garris_mod_13_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245ca.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245CA 3556 bytes
font_01_sfnt_off0002534d.bin
e081b99ab8cb0e0f40377f099bfc2c46f0d4d462798f4bf202cd0acb8131adfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2534D 14968 bytes
font_02_sfnt_off00028184.bin
4706a9723ec8daee1a275d5ce084264f6043451f5861fa4ae23732dbba8aefe8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28184 14520 bytes
font_03_sfnt_off0002ac51.bin
aa4b084b46cdf2e168055bc8421fcfa4227927dddc818885cb0d01be5991eb51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC51 7192 bytes
font_04_sfnt_off0002c114.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C114 6084 bytes
font_05_sfnt_off0002d0a9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0A9 3752 bytes

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