Malicious PDF — malware analysis report

Static analysis result for SHA-256 f81e72ef1d16ff80…

MALICIOUS

PDF

187.0 KB Created: 2015-08-05 13:17:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4eddce2a58d60824d73ae86e344dda5a SHA-1: 4dcc1ae502e4a8b4d0000c1435093378f71a21db SHA-256: f81e72ef1d16ff8014a49c61494765985d61a38a99880d8410d20bc1261ed8f4
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document is designed to lure the user to a malicious site, likely for further exploitation or malware delivery. ClamAV also detected this file as Pdf.Dropper.Agent-7524191-0, reinforcing its malicious nature. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

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-7524191-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7524191-0
  • 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%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D0%B7%D0%B0%D1%8F%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BD%D0%B0+%D0%B5%D0%B6%D0%B5%D0%B3%D0%BE%D0%B4%D0%BD%D1%8B%D0%B9+%D0%BE%D1%82%D0%BF%D1%83%D1%81%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4231/4231438_skachat_maynkraft_1_5_2_na_planshet.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4279/4279343_doma_iz_suhogo_profilirovannogo_brusa_pod_klyuch_nedorogo.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187155_skachat_vzlomannuyy_boy_s_tenyu_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000246f5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246F5 3556 bytes
font_01_sfnt_off00025478.bin
bec23d924679ab6f2c9c121a35b4a9527d18e9d133b67da31aeaf3f6b7552ac3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25478 14540 bytes
font_02_sfnt_off00028233.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28233 14468 bytes
font_03_sfnt_off0002ace2.bin
2294668a88dd9c6fa135fad4ea3eee31ed15ee58420239dc7e0cfb08ad4a5dca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACE2 7360 bytes
font_04_sfnt_off0002c25d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C25D 6084 bytes
font_05_sfnt_off0002d1f2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1F2 3752 bytes

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