Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ced71277b18fd32…

MALICIOUS

PDF

356.9 KB Created: 2015-08-28 11:38:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ba10d1166d3b1a80fa6496d59db17160 SHA-1: fdb395e644a2b8fdc640a38b5ff56faa0e88c120 SHA-256: 3ced71277b18fd32b5b7063a4ebad6996f5a39a85ce8577c8e10f5906bda19fd
90 Risk Score

Malware Insights

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

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to a harmful destination, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA+%D0%B4%D0%BB%D1%8F+%D0%B7%D0%B0%D0%B3%D1%80%D0%B0%D0%BD%D0%BF%D0%B0%D1%81%D0%BF%D0%BE%D1%80%D1%82%D0%B0+%D0%BD%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D1%86%D0%B0+%D0%B2+%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B5+word&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802409_futazh__vuypiska__iz_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802405_skachat__oki__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802378_uchebnik__po__arhitekture_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054df4.bin
5796f26a5ad48fd2f7b8be84bd46ff6314fceba981af336d72e279f14d9d507b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54DF4 10028 bytes
font_01_sfnt_off000569e2.bin
8829f84278540de1a55e56ccc2cdd16cb4c4b9809dff7e672ea34a2551a566e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x569E2 12820 bytes

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