Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a6214a45971388b…

MALICIOUS

PDF

184.5 KB Created: 2015-07-24 23:58:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6ef3c2da36be5cc2cd8c6450f05ad64b SHA-1: 9a12e492472b1e91f489264e9c32ef3030e7cb38 SHA-256: 3a6214a45971388bb864fc6fb166092b96436617de711d2f46b7adcda10d848a
120 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Dropper.Agent-7560319-0. A critical heuristic identified a malicious redirector link within the document body, pointing to http://botcraftman.ru/. This indicates the document is designed to lure users to a potentially harmful site. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7560319-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7560319-0
  • 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%B2%D1%81%D0%B5+%D1%82%D0%B5%D1%80%D0%BC%D0%B8%D0%BD%D1%8B+%D0%BF%D0%BE+%D0%B1%D0%B8%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%B5%D0%B3%D1%8D&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194273_zadniy_most_dlya_trehkolesnogo_velosipeda_kupit.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192107_bustan_avaristan_kniga_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184460_skachat_panel_vvoda_planshetnogo_pk.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023eda.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EDA 3556 bytes
font_01_sfnt_off00024c5d.bin
9eab1962e185dcae2b0aac2dbc885410e341cc1633dcec294bd22ef96dccdbbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C5D 14668 bytes
font_02_sfnt_off00027a30.bin
43c1ac521d27920a5fb61f61c3391f7d4b5f65a22e3b1eda8ebc557f6ea8ade9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A30 14680 bytes
font_03_sfnt_off0002a4fa.bin
16feb1e481fab92bfa9ce5aae53790f0ebf20bcb592b774458f6809dd55e75a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4FA 6668 bytes
font_04_sfnt_off0002b813.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B813 6084 bytes
font_05_sfnt_off0002c7a8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7A8 3752 bytes

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