Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c51d80294a8a667…

MALICIOUS

PDF

357.6 KB Created: 2015-08-22 09:18:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 66bb08c12b04154f183a4a792efd605e SHA-1: 02fa865087a47c90c0232b8ee0e87e94ca1e518c SHA-256: 7c51d80294a8a667e92604424b3c369c9da078bcd78f9e5e7fbd094fe777f645
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/, which is indicative of a phishing or malware distribution attempt. The URL itself contains keywords suggesting a download of 'darkcometrat531', which could be a Remote Access Trojan. No scripts were extracted, and the document body was heavily truncated and 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=darkcometrat531+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%80%D1%83%D1%81%D1%81%D0%BA%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674535_klyuch_k_igre_7_chudes_sokrovischa_semi.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674551_igruy_oruzheynuyy_bespredel_2_s_chit_kodami.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674597_partition_table_doctor_35_rus_skachat_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005455e.bin
ba32f49b177ffae7aba2012629b34d64d8499e7b5a47d3c500753d9a5e935857		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5455E 10064 bytes
font_01_sfnt_off000561b1.bin
938aa9221183acb35637b47f33ed93177d37fb8f82c58abb335a9f04c45432b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x561B1 17488 bytes

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