Malicious PDF — malware analysis report

Static analysis result for SHA-256 1882284bd36d5207…

MALICIOUS

PDF

344.2 KB Created: 2015-08-27 23:57:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2343a6b47fb4342b4db7e808e7158e14 SHA-1: fd1174a6f32f3e9f467e1468c6896d1b8500ed06 SHA-256: 1882284bd36d5207c147ead264baa1798c061e937bae1a8cdee8ab9a3f0e3b5a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful website. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious URL is a strong indicator of malicious intent, likely for phishing or malware delivery.

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=%D0%BF%D1%80%D0%BE%D1%85%D0%BE%D0%B4%D0%BD%D0%BE%D0%B9+%D0%B1%D0%B0%D0%BB+%D0%BF%D0%BE+%D1%85%D0%B8%D0%BC%D0%B8%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788187_skachat__far__cry_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787820_taach__30__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788140_skachat__launcher_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051d6e.bin
774ed4b4072b26dc3926a801932db37cd26d70589cf380f2cb9da57d57e38dc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51D6E 7764 bytes
font_01_sfnt_off000533d2.bin
1754b4bfd74fcdc2645820acc2c3be1cc502e32fe679cc20236cfcc1fe3d2e06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x533D2 15064 bytes

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