Malicious PDF — malware analysis report

Static analysis result for SHA-256 373a7c9c935ca6c2…

MALICIOUS

PDF

354.2 KB Created: 2015-08-27 09:49:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8d8ab55be73dd7c8582f21b13237e44f SHA-1: e3b34a6109bd4ad6ab9e4d9a91d073db5b538179 SHA-256: 373a7c9c935ca6c2d38a3ead0ca03d927d67657821c11666e40f3c8a31459597
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is highly suspicious and likely serves as a gateway to a phishing or malware distribution site. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of the specific lure or payload.

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%82%D0%B5%D0%BA%D1%81+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+%D1%81%D0%B5%D0%B3%D0%BE%D0%B4%D0%BD%D1%8F+%D0%BF%D0%BE%D0%B8%D0%B3%D1%80%D0%B0%D1%8E+%D1%8F+%D0%B2+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771872_receptuy__dlya__multivarki_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771804_elena__zvezdnaya__mertvuye_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772050_mirovoe__soglashenie__o_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000547ed.bin
91632838b6b55e102186490c84ba445af861dbda63daf3c14a9e88c58725c2cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x547ED 8164 bytes
font_01_sfnt_off00055f7a.bin
7606ea38cd93090094a3d69a85a9d9b55951e992b20cee0e39a1f7e0d0c3cd44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55F7A 13180 bytes

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