Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a68f08b2d7e38eb…

MALICIOUS

PDF

373.1 KB Created: 2015-08-25 22:07:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ac1b60996b92f7b0c9c51506aaf61d69 SHA-1: e51daa95e0ba84db9115a356cce00dc7309ac523 SHA-256: 4a68f08b2d7e38eb7b0decf68ca5c5febd03aa38bcfed08900499b3a042cf41e
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a malicious site. No scripts were extracted, but the presence of this malicious link strongly suggests a phishing or malware delivery attempt.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D1%81%D0%B0%D0%B1%D0%B2%D0%B5%D0%B9+%D1%81%D0%B5%D1%80%D1%84+%D1%85%D1%8D%D0%BB%D0%BB%D0%BE%D1%83%D0%B8%D0%BD+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740602_command__and__conquer_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740567_podpolnaya__imperiya__skachat_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058ebc.bin
c04133f36fc697a07d74b6c947d5856a8db2caf3e17785caf53cd9586a1d11e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58EBC 8712 bytes
font_01_sfnt_off0005a83f.bin
50bab021286b4ef13140f1d8d0d104c1732638346667f7d2ebc29359361d05b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A83F 14448 bytes

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