Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ac0145fe023db70…

MALICIOUS

PDF

356.3 KB Created: 2015-08-29 11:23:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-24
MD5: 683a6f77116de00021b105d6091d9f94 SHA-1: bab2006a29684aa2607670245cb16079511a7761 SHA-256: 5ac0145fe023db7003095735d1c48e161a331736610402558216960fe32201c5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5+%D0%BD%D0%B5+%D1%83%D0%B4%D0%B0%D0%BB%D0%BE%D1%81%D1%8C+%D0%B7%D0%B0%D0%BF%D1%83%D1%81%D1%82%D0%B8%D1%82%D1%8C%D1%81%D1%8F+%D0%BF%D0%BE%D1%81%D0%BA%D0%BE%D0%BB%D1%8C%D0%BA%D1%83+xlivedll+%D0%BD%D0%B5+%D0%B1%D1%8B%D0%BB+%D0%BD%D0%B0%D0%B9%D0%B4%D0%B5%D0%BD&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830361_igruy__na__nokia_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830342_gde__nayti__predohraniteli_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830023_skachat__bazu__velkom_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005462b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5462B 10764 bytes
SHA-256: b7343fd8f650a4b8fa3b3a5dde8c4ceebf0dd4f3ff0bc2624d06f6f23b838cfb
font_01_sfnt_off0005647b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5647B 14076 bytes
SHA-256: 2f947c46eb858c9a246b710ec00a74a46010c883917dc0775f77bd07595ac6c4

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