Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e3e2c864d7c8e4…

MALICIOUS

PDF

350.7 KB Created: 2015-08-28 13:16:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b5ec71cb8a15fec5920ce5b2e040ceb4 SHA-1: 9d01d2d137340208b82456a93a904055ece60d89 SHA-256: 34e3e2c864d7c8e473a0733c570ba9f896cbd88de8fdf216133a2925064281a9
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru, which is likely intended to deliver malware. The document body, though heavily obfuscated, appears to be a lure for software downloads, specifically mentioning 'Euro truck simulator 2'. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

Heuristics 2

  • 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.
  • 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=euro+truck+simulator+2+131+%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&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4803/4803824_crusader__kings__2_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4803/4803776_mtorrent__30rus__skachat_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4803/4803924_skachat_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052ad1.bin
78a272fa801a5fff68f05236f70b3cd57e2ea6a02b51feeb34e25ce3addf52e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52AD1 9672 bytes
font_01_sfnt_off000545a0.bin
2a4a0def020f6a8f1866877839fbea9552617f9d71512b94c75a5815370d06bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x545A0 17948 bytes

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