Malicious PDF — malware analysis report

Static analysis result for SHA-256 64482b82461c5f8d…

MALICIOUS

PDF

379.1 KB Created: 2015-08-26 09:48:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: e664280675ef178bf96ef947dc0f386e SHA-1: ff618cf42a55bdc336d582388bc75e965c88db50 SHA-256: 64482b82461c5f8d122944d228401fd1026937418aa41a21f2294ebd30645e5d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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%BA%D0%BD%D0%B8%D0%B3%D0%B0+%D0%B2%D0%B8%D0%BA%D1%82%D0%BE%D1%80%D0%B8%D0%B8+%D0%B1%D0%B5%D0%BA%D1%85%D1%8D%D0%BC+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751796_prezentaciya__na__temu_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751864_eminem__albom__2015_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751493_skachat__filmuy__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a556.bin
ade0b0863a5d430f42f10855b06bbf02735f75bfd6da0ca7e7f1408c778767d5
pdf-font-stream PDF embedded font (sfnt) at offset 0x5A556 8436 bytes
font_01_sfnt_off0005be1a.bin
754e80b4bbfd0b6d6a28187552f9295f6ad295fd6703cfe10107267af642ef70
pdf-font-stream PDF embedded font (sfnt) at offset 0x5BE1A 14908 bytes