Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ac31a5210f35bba…

MALICIOUS

PDF

186.0 KB Created: 2015-07-26 16:47:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 86cabcf2ed3cd651a396d0d01794265a SHA-1: 5a4c59a01dea23e351b5c712996ac1b7e5946064 SHA-256: 1ac31a5210f35bbab69cd5b01dc890c90a27a188db2dbdfeb3588b36dbb4e141
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 link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%B1%D0%B0%D0%BB%D0%BB%D1%8B+%D0%BF%D0%BE+%D0%B5%D0%B3%D1%8D+2015+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5&charset=utf-8' is the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link suggests the document is designed to lure users to a harmful destination.

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%B1%D0%B0%D0%BB%D0%BB%D1%8B+%D0%BF%D0%BE+%D0%B5%D0%B3%D1%8D+2015+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4202/4202535_skachat_torrent_windows_7_maksimalnaya_x32_originalnuyy_obraz.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185251_spin_tires_2014_versiya_1001_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4202/4202504_stalker_odnim_dnem_zhivu_smerti_vopreki_2_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002434b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2434B 3556 bytes
font_01_sfnt_off000250ce.bin
db61d2f99dbb1a8e585da66e5613adbbf76c3c053ee79494b7f8a95fdea37abd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250CE 15020 bytes
font_02_sfnt_off00027fee.bin
5524fd7e85b5ed7950cc4f010ea5adc95f5560374a5866f30e0b72b6b5a9a3c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FEE 14640 bytes
font_03_sfnt_off0002ab24.bin
12b3211af03d0b190322aea79b4efe28e9879691ee168d1ab82970419e5c5901		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB24 6600 bytes
font_04_sfnt_off0002be09.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE09 6084 bytes
font_05_sfnt_off0002cd9e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD9E 3752 bytes

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