Malicious PDF — malware analysis report

Static analysis result for SHA-256 77f564bb5f21669a…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 10:55:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8b580a3c0dfcebf92abe8cbf37ed1ece SHA-1: 8fc7604b29425b2837f3e3971279e099fef1017f SHA-256: 77f564bb5f21669a8badfcbb9447c9ec00ea1c9b0cc9cd69b8500547a31fcf27
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is the primary indicator of malicious intent. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or malware delivery attempt.

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%BF%D1%80%D0%BE%D1%85%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B8%D0%B3%D1%80%D1%8B+finding+teddy&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386321_hhh_vdeo_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386376_snayper_yelit_3_skachat_torrent_besplatno_na_russkom_yazuyke.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386183_zhurnal_katera_i_yahtuy_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB2 3556 bytes
font_01_sfnt_off00024d35.bin
a22ec0d07a4739ae2956df7066595e404a31bd33f9837b8149ca2b2084baa20e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D35 14496 bytes
font_02_sfnt_off00027afc.bin
d9f2c63ffeef3b51d9a62d091c5c1445fe255c18397c714e6da732a3031150fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AFC 14740 bytes
font_03_sfnt_off0002a6a0.bin
7c94ce714c70ca008b707c99b80aff33eff2751b6f6d5ba1886fe7e7f6c93616		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6A0 6912 bytes
font_04_sfnt_off0002ba99.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA99 6084 bytes
font_05_sfnt_off0002ca2e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA2E 3752 bytes

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