Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b79a740346f7e14…

MALICIOUS

PDF

353.7 KB Created: 2015-08-29 11:11:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6ab037002e1b7a6bb4f0ea11330b1dee SHA-1: 14e72a8001f060b83da889c56cc6201eaf729266 SHA-256: 8b79a740346f7e149b9703a430eecb70a313f1ee0e056722af93be6eb7020d76
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, http://botcraftman.ru/..., is identified as a known malicious redirector. This suggests the document's primary purpose is to lure the user to this malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, and the document body was unreadable, so the rationale is based solely on the malicious URL.

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=%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B0%D0%B2%D1%82%D0%BE%D0%B1%D1%83%D1%81%D0%B0+32+%D1%81%D0%B5%D1%80%D0%BF%D1%83%D1%85%D0%BE%D0%B2+%D0%BF%D1%82%D0%B8%D1%86%D0%B5%D1%84%D0%B0%D0%B1%D1%80%D0%B8%D0%BA%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830047_skachat__operu__na_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830090_naruto__shippuden__ultimate_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829928_skachat__besplatno__programmu_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000535ad.bin
439392660adc07d2888a4a70f24562356edd710e735814db2830cd18c67deb40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x535AD 9436 bytes
font_01_sfnt_off00055099.bin
b5e12b67da314c0a43f8928817dc3fafb001206bdca98e2cab86228d7c2d1115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55099 18304 bytes

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