Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5625289e1098f75…

MALICIOUS

PDF

186.6 KB Created: 2015-07-25 14:45:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c2aca03b559e200db6252d46f68d7c81 SHA-1: dda352347f019e92a84394586e58b7562b947ac8 SHA-256: c5625289e1098f753dd803f92fc9c962c113e2a0b3997605127eef94f5402ebc
90 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, botcraftman.ru. This indicates an attempt to lure the user to a malicious site, likely for phishing or to download further malware. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was not readable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+euro+truck+simulator+2+148+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204550_call_of_duty_ghosts_skachat_torrent_repack_pc_mehaniki.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193929_instrukciyu_kasio_2747_na_russkom.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192317_zakruytaya_shkola_3_sezon_skachat_besplatno_i_bez_registracii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a9ce.bin
9db0c46696e78d5aa5a28eb5a43e2704faa042bdaf5887de66ff2b3c2bf34d96		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A9CE 7680 bytes
font_00_sfnt_off0002425e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2425E 3556 bytes
font_01_sfnt_off00024fe1.bin
2d4db314b79c0cc7b424533bab11bf07c5577b854c4fa082dc30b02e1cb89966		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FE1 14984 bytes
font_02_sfnt_off00027e4b.bin
6392ae7e37a9690a2519f8c55b3b6674af56de9b5536288dfd190a42f0370059		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E4B 14744 bytes
font_04_sfnt_off0002c091.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C091 6084 bytes
font_05_sfnt_off0002d026.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D026 3752 bytes

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