Malicious PDF — malware analysis report

Static analysis result for SHA-256 29e0da26cb78e1e5…

MALICIOUS

PDF

368.1 KB Created: 2015-08-19 14:19:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6e29996c8498e67095eab677ccd39165 SHA-1: 2c36479d693e086c799233b8e42be8d3e708c167 SHA-256: 29e0da26cb78e1e54782e1127d24ea5b3a276e7006a663a16abb9ee2a02fb092
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a redirector link to a known malicious domain. The embedded URL http://botcraftman.ru/... is identified as malicious. While no scripts were extracted, the presence of this malicious URL strongly suggests the PDF is designed to lure users to a compromised site. The authoring application 'wkhtmltopdf' is noted but does not directly contribute to the attack pattern.

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%A4%D0%B8%D0%BB%D1%8C%D0%BC+%D0%B1%D0%B0%D0%BB%D0%B5%D1%80%D0%B8%D0%BD%D0%B0+%D0%BD%D0%B0+%D0%B7%D0%BE%D0%BD%D0%B5+%D1%81%D0%BC%D0%BE%D1%82%D1%80%D0%B5%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%BF%D0%BE%D0%BB%D0%BD%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626804_flight_simulator_2015_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626606_pes_2015_dlya_android_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626551_gotovuyy_dnevnik_praktiki_po_poliklinicheskoy_terapii_5_kurs.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005751f.bin
6bf15e5337e8657e28a97c617c0cfe8c23e5a158b30d765fbd1add8753763bb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5751F 8436 bytes
font_01_sfnt_off00058dc2.bin
fdf320ee2e7d83abc1724a40ef22299e6ddd3acc60ceee16c50dc55723aba42c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58DC2 16604 bytes

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