Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4b0a3e27ddcecaa…

MALICIOUS

PDF

351.7 KB Created: 2015-08-28 11:37:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3b62ff3334e6c1717869b77bcdb07c51 SHA-1: bc8004414c8bbb79f244f368d713ea372668b7be SHA-256: d4b0a3e27ddcecaa7cacf915f455193a302f357f08f9e0c1e04c1064bfc391ef
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, http://botcraftman.ru/, which is indicative of a phishing or malware distribution attempt. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure. No scripts were extracted from this sample.

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=guitar+pro+5+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802370_himicheskiy__sostav__moloka_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802424_skachat__klient__minecraft_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802366_otrava__kruysinaya__smert_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005369e.bin
df224aa5493946ab356a3f4eb5848063d3b4ed5596be9122d1218d5894803074		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5369E 9320 bytes
font_01_sfnt_off00055062.bin
3d3abb30e48b0fd83a1a1f73cdc6a9fc75e320f2bf72414faf7975b89ebd3276		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55062 15588 bytes

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