Malicious PDF — malware analysis report

Static analysis result for SHA-256 9690184980d46d5e…

MALICIOUS

PDF

362.3 KB Created: 2015-08-28 18:40:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 9e4ccb48960221a2c96626b4ec9be424 SHA-1: 3ed00db014c0ae0ce4e9f58c212ba0620b8eacc7 SHA-256: 9690184980d46d5ef619711db8b2144d4ba85e3b7d9840cd04bc8b6f7119d256
90 Risk Score

Malware Insights

MITRE ATT&CK
T1200 Hardware Add-in T1059 Command and Scripting Interpreter

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. The embedded URL is likely part of a phishing or malware distribution scheme. The document body contains garbled text, suggesting it may be obfuscated or malformed, but the primary threat is the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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=%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%B4%D0%BB%D1%8F+%D1%81%D0%BA%D0%B0%D0%BD%D0%B5%D1%80%D0%B0+epson+perfection+1270+%D0%B4%D0%BB%D1%8F+windows+7+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809141_goryachie__klavishi__v_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4810/4810168_skachat__knigu__inferno_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809959_akt__neyavki__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055f96.bin
fff8246e2460f13cae1002b041c4328b5ac42ad349e2d9d5d72d43ef2fd5e435		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55F96 10020 bytes
font_01_sfnt_off00057bf0.bin
0c6e86cbb8d6edcfc78fbea980d5ab34f4ff38032e5169356614315b5af6224f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57BF0 14932 bytes

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