Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c47a881afe8fa7…

MALICIOUS

PDF

352.3 KB Created: 2015-08-25 22:06:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6a6ae56ea204b828038a107056424a0e SHA-1: ff73cf94f89d935f770083cb69b45baa030fda50 SHA-256: 25c47a881afe8fa7e4edf5dca0f7a4e3cdf6b8dbaa9f4c034fecb376c39d7261
60 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector due to the presence of a link to 'botcraftman.ru'. This URL is known to be associated with malicious activities. The document body is heavily obfuscated and unreadable, but the heuristic firing strongly suggests the primary intent is to redirect the user to a harmful site. 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=Gta+%D1%81%D0%BE%D0%BB%D1%8F%D0%BD%D0%BA%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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//4740/4740565_biohimicheskiy__analiz__krovi_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740567_podpolnaya__imperiya__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740558_rabochaya__programma__po_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005410f.bin
48643813ae8183706db1b8447eeb61c2359ded594d48a80425fc8dc601df5322		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5410F 7508 bytes
font_01_sfnt_off0005565b.bin
0902afe42c2436827cec83b3d4ecc91f1c376d1da88e91345ea32728f87fde65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5565B 13716 bytes

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