Malicious PDF — malware analysis report

Static analysis result for SHA-256 784845a609035823…

MALICIOUS

PDF

391.0 KB Created: 2015-08-28 18:14:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 869dc8be49122bc775c2b98bd7950f83 SHA-1: a0cb07b6e6b3f804edce8991fbdf1eb0db974b9e SHA-256: 784845a609035823bac30af283579cce4a34aec5ea4fa747fe66578f79183014
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The embedded URL `http://botcraftman.ru/...` is identified as a known malicious redirector. While no scripts were extracted, the presence of a malicious link 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 0.9982

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%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%B6%D0%B0%D0%BD%D1%80%D0%B0+%D1%84%D1%8D%D0%BD%D1%82%D0%B5%D0%B7%D0%B8+%D0%BB%D1%8E%D0%B1%D0%BE%D0%B2%D0%BD%D1%8B%D0%B9+%D1%80%D0%BE%D0%BC%D0%B0%D0%BD+%D1%8E%D0%BC%D0%BE%D1%80&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809845_skachat__aim__konfigi_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809765_tekken__6__pc_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809175_raspisanie__avtobusov__suyktuyvkar_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005d854.bin
2c2b996662173e80e246c9409b9ce41d984077645fabc4ba84fd7bbea4f3594e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D854 8484 bytes
font_01_sfnt_off0005f0eb.bin
2ee4b687fef13c4a7ec4d939eec991f203c19b7d99636548402a995b1624fcb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F0EB 14248 bytes

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