Malicious PDF — malware analysis report

Static analysis result for SHA-256 0652df9a2c885a19…

MALICIOUS

PDF

370.2 KB Created: 2015-08-24 03:33:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 142b789ccc8c88c068a9b82dbfb3e68a SHA-1: d805f65b37b27b059d41d07bcfa530e69652ff92 SHA-256: 0652df9a2c885a195d5917ed3c8342fba874be9c1215ac23e700e763f5a6c757
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 primary URL identified is http://botcraftman.ru/, which is flagged as malicious. While no scripts were extracted, the presence of a malicious redirector strongly suggests the document is designed to lure users to a compromised site for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%B1%D0%B0%D0%B7%D0%B8%D1%81-%D0%BC%D0%B5%D0%B1%D0%B5%D0%BB%D1%8C%D1%89%D0%B8%D0%BA+80+%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+%D0%BF%D0%BE%D0%BB%D0%BD%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695270_zvuki__ptic__skachat_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695739_litvinovuy__v__svobodnom_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4698/4698503_ubiycuy__smerti__dzheyms_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058318.bin
4fb371ad45ed982c0dda28f01df836ccc4c1d1bafeee7ff794f6e6939202c7d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58318 9196 bytes
font_01_sfnt_off00059db9.bin
6436c0bd62e12e4c9799b8af58066654edd661eb8efc1ae01820c8897c0c7132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59DB9 13380 bytes

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