Malicious PDF — malware analysis report

Static analysis result for SHA-256 231cbb6fc29945a2…

MALICIOUS

PDF

351.9 KB Created: 2015-08-25 23:15:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 57e44d285f32f0d2b046bc511657f2b0 SHA-1: ff267ab19667d368c9a272aac051b88ab16e52d0 SHA-256: 231cbb6fc29945a26707edad433951cc070ae336ab6606fa6e03cd1d9a3a4a03
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

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 page. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0+%D1%83%D0%BC%D0%BD%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F+%D1%80%D0%B0%D1%81%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D0%B7+%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D0%BE%D0%B2&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741352_raschet__krovli__programma_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741242_borodacraft__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740960_skachat__plagin__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000535c4.bin
c44cc93e0aa4fa97b6a478bd4b299be3bf6993255a1dc7b7051330328973a1ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x535C4 8088 bytes
font_01_sfnt_off00054d7d.bin
d4099d426154fcc76abbb2cfc0d43fdce1043a26a8835be539bb2148fbb7ae49		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54D7D 16752 bytes

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