Malicious PDF — malware analysis report

Static analysis result for SHA-256 66b49aad29c20307…

MALICIOUS

PDF

194.5 KB Created: 2015-07-25 00:31:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f84c302b62a350fae30df8227ca1af5d SHA-1: 4d0c91e143e5b80e3bfac3d7c53415c49391625e SHA-256: 66b49aad29c20307ee417fb9e92c4c8222a654660d68da2a0bcc7bb86b2a6bfa
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link and a high ML score. The embedded URL points to botcraftman.ru, which is identified as known malicious infrastructure. This suggests the document's primary purpose is to lure the user to a compromised or malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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-8922834-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8922834-0
  • 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+%D1%81%D0%B1%D0%BE%D1%80%D0%BD%D0%B8%D0%BA+%D0%BA%D0%B0%D1%80%D1%82+%D0%BD%D0%B0%D1%80%D1%83%D1%82%D0%BE+%D0%B4%D0%BB%D1%8F+warcraft+3+frozen+throne&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195423_raschet_stupeney_lestnicuy_programma.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188014_zvukovuye_yeffektuy_dlya_videomontazha_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196337_kod_uktzed_2015_spravochnik_skachat.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_off0002619e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2619E 3556 bytes
font_01_sfnt_off00026f21.bin
e85960d591a25bcc9974cabde3e257df1b7d2c4ab0d5a2d8a53234c617d07b12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26F21 14984 bytes
font_02_sfnt_off00029d81.bin
e56d0bea68bf8ef07553a0b82f8a0bd1da8517c5d19dbcc11db9179486409e28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29D81 14900 bytes
font_03_sfnt_off0002c970.bin
211a9505167afc55f97f70d0ce80041c9a8d61040f2acc16b8288f33fcc4cc40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C970 7692 bytes
font_04_sfnt_off0002e04c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E04C 6084 bytes
font_05_sfnt_off0002efe1.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EFE1 3752 bytes

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