Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa480a982e95db39…

MALICIOUS

PDF

370.5 KB Created: 2015-08-29 12:29:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: 68a7dd67f83cfbb0fb88ed5eea9bd05f SHA-1: f1fb8d89343726357e3a36470b637a1867e31ae6 SHA-256: aa480a982e95db395f0a3154e63cea60216173167d95974bad8a7c756a30ccdf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is identified as a malicious redirector. While no scripts were extracted, the presence of a malicious link strongly suggests an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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%9E%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86+%D1%81%D0%BF%D1%80%D0%B0%D0%B2%D0%BA%D0%B8+%D0%BE+%D1%81%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D0%B5+%D1%81%D0%B5%D0%BC%D1%8C%D0%B8+%D1%84%D0%BE%D1%80%D0%BC%D0%B0+3&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831242_kak__russificirovat_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830405_skachat__aktivator__dlya_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830822_windows__xp__game_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057806.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57806 8572 bytes
SHA-256: 5ccf2a4b47b746b38feb3ca1a846744cf5c384317b1446d6d1f5923f8ea84116
font_01_sfnt_off000590ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x590CA 19436 bytes
SHA-256: 027afb19f6c3d5cad2a4e0938063b1654abaa10681c351e7cb5523bd78067169

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