Malicious PDF — malware analysis report

Static analysis result for SHA-256 706c5de5883afe01…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 23:39:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0503088fc7e41c4fa6e0fb5342f711a1 SHA-1: 800666e791cae31edc3243f0712ddf3327b18881 SHA-256: 706c5de5883afe01d1826d755c0d1776cdbf7286277da56ccdb5bdda7280eebe
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/, which is a strong indicator of malicious intent. The ML classifier also flagged this PDF with high confidence. While no scripts were directly extracted, the embedded URL suggests the document's purpose is to lure the user to a malicious site, likely for further exploitation or credential harvesting.

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=%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B8%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D0%B8+%D0%B2+%D0%BE%D0%B4%D0%BD%D0%BE%D0%BA%D0%BB%D0%B0%D1%81%D1%81%D0%BD%D0%B8%D0%BA%D0%B0%D1%85&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185134_bozhestvennaya_komediya_obrazcova_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188212_skachat_shema_usilitelya_mystery_mk_280.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186367_adobe_premiere_pro_cs5_rus_skachat_besplatno.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024625.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24625 3556 bytes
font_01_sfnt_off000253a8.bin
d8964813bc9db3c8f5330bc9b725da68d0374dd3219c1bdb37b745a45c350c2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253A8 14148 bytes
font_02_sfnt_off00028054.bin
a6626c0bd3595dc776735a93968cf26fa9368d0e017313712711ccf7ec06347e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28054 14532 bytes
font_03_sfnt_off0002ab44.bin
09712726e75ce57e0688e3a5a839057d0ad5a3c8329c5765025b52a1654692c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB44 6832 bytes
font_04_sfnt_off0002bf0a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF0A 6084 bytes
font_05_sfnt_off0002ce9f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE9F 3752 bytes

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