Malicious PDF — malware analysis report

Static analysis result for SHA-256 c95a6a70db676b7a…

MALICIOUS

PDF

379.4 KB Created: 2015-08-29 13:22:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: ceba29dc1af2a6e0ad428c820ebb67dc SHA-1: 64cd1d70f7f3b14887d6f8bf6aa4c89a1eaf3b72 SHA-256: c95a6a70db676b7ab4acdba21647c316a25554a7285849bbc0362df038f75e00
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector infrastructure, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. Although no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a downloader or phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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%BD%D0%B0+%D0%BF%D1%8F%D1%82%D1%8C%D0%B4%D0%B5%D1%81%D1%8F%D1%82+%D0%BE%D1%82%D1%82%D0%B5%D0%BD%D0%BA%D0%BE%D0%B2+%D1%82%D0%B5%D0%BC%D0%BD%D0%B5%D0%B5+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%BD%D0%B8%D0%B3%D1%83&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830110_pribornaya__panel__vaz_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831336_skachat__uchebniki__9_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4832/4832539_skachat__igru__ohota_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005aad8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AAD8 7704 bytes
SHA-256: aa77ba0fe423811230cb5a5dd6c4bdfbd7210bc41e83adbae3b6107c2a20f26b
font_01_sfnt_off0005c0cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C0CF 14308 bytes
SHA-256: a0f3e3eb98e9243ae795ef9d96b56036785b4da897a4afd03a6ef33fcd0bd10d

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