Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc63c9a0fcbe8993…

MALICIOUS

PDF

344.6 KB Created: 2015-08-26 10:01:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: e1cc51eae3bceb06240cbaeec1fe794b SHA-1: 7fa49a7c2274a7ff07bd8446dbc66cc116c7fb98 SHA-256: cc63c9a0fcbe8993af583ac412183694933f03dd2fdfcef4a3cee1bbf1411c39
92 Risk Score

Malware Insights

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

The PDF file contains an embedded link that redirects to a known malicious domain, botcraftman.ru. This indicates a phishing or social engineering attempt to lure the user to a compromised site. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BB%D1%83%D0%BA%D1%8C%D1%8F%D0%BD%D0%B5%D0%BD%D0%BA%D0%BE+%D0%BC%D0%B5%D1%82%D1%80%D0%BE+2033+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751518_skachat__generator__klyuchey_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751958_zapiski__volshebnika__zakoldovannuyy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752183_skachat__drayver__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005190b.bin
64dd3f23b7c13a9d6fd5501441894555cd561eeb9df4989745bc31dd810b92dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5190B 8212 bytes
font_01_sfnt_off00053092.bin
d01edd2580d200a4d4d311183e42ba40dd464a69001e433ccfd7ee356e619627		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53092 16340 bytes

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