Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bfe52ac13459094…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 12:08:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c60d7a629ba6849a130dcfa43b8f05f1 SHA-1: c5919f8fb3a6fe06356e48482ef987ff259df86c SHA-256: 7bfe52ac1345909471fdc4f3f8c88bcea2e17170d911319cf88492f9ad065ae6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a harmful website, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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-8787919-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8787919-0
  • 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%B2%D0%B0%D1%82%D0%B0%D1%80+%D0%BB%D0%B5%D0%B3%D0%B5%D0%BD%D0%B4%D0%B0+%D0%BE%D0%B1+%D0%B0%D0%B0%D0%BD%D0%B3%D0%B5+2+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%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://img1.liveinternet.ru/images/attach/c/5//4189/4189081_skachat_game_guardian_dlya_android_na_russkom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185383_skachat_serial_zakruytaya_shkola_2_sezon_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185444_skachat_dash_berlin_2013_besplatno_cherez_torrent.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_off000246e3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246E3 3556 bytes
font_01_sfnt_off00025466.bin
e29e0f29f4fdf572b883f661e141ab10d01135d1f634cb3dcc7581130a12feef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25466 14700 bytes
font_02_sfnt_off00028279.bin
1bdb34460530df544f3708516b9bff2a8899c1e4c5605cca86f0484fc167616c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28279 14468 bytes
font_03_sfnt_off0002ad2b.bin
8bad7b1b67a28abcf65158225f60de93ddb4ae7ef75e2d88956f40728b275f79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD2B 6872 bytes
font_04_sfnt_off0002c10a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C10A 6084 bytes
font_05_sfnt_off0002d09f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D09F 3752 bytes

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