Malicious PDF — malware analysis report

Static analysis result for SHA-256 287c66d774b84a7c…

MALICIOUS

PDF

357.4 KB Created: 2015-08-24 00:07:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ae25a07ec836467330e851129c4ec3a7 SHA-1: 833bc945e79f6f2f482bf2ee4d087713d3e08b1c SHA-256: 287c66d774b84a7c1af543050310821832d4e8eefd526ef46e6343f3d92cf32b
150 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is likely intended to deliver a payload. The embedded document body, though heavily obfuscated, contains text fragments that suggest a lure related to downloading software, aligning with the malicious redirector's purpose. The ClamAV detection as Pdf.Dropper.Agent-9278802-0 further supports the dropper functionality.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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-9278802-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9278802-0
  • 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%B7%D0%B0%D0%B3%D1%80%D1%83%D0%B7%D0%BE%D1%87%D0%BD%D0%B0%D1%8F+%D1%84%D0%BB%D0%B5%D1%88%D0%BA%D0%B0+windows+7+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+2013&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693018_po__schuchemu__veleniyu_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693248_grafik__rabochego__vremeni_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693563_skachat__poshluye_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000545a9.bin
d592f203f674c752a057d101e26db9846ce80e9cf6658bf74507efb27c289f34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x545A9 11264 bytes
font_01_sfnt_off0005657e.bin
cb86cce242311450a25e6c23d71da85edc845b233e04ae7fdb1ef8f100ff8ba0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5657E 15256 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.