Malicious PDF — malware analysis report

Static analysis result for SHA-256 462f4c3b590a17f2…

MALICIOUS

PDF

188.3 KB Created: 2015-07-24 03:32:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c19948e3339531bd1ad8ade6a1154865 SHA-1: 01a5efb0bfde94488bc2729fb9daf95b449be76f SHA-256: 462f4c3b590a17f20f3c5c8e7f3ca6c303d2adb87300564233ac6b4d1242f612
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL points to 'http://botcraftman.ru/', which is associated with malicious activity. The document body content is truncated and does not provide further context on the user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%9F%D0%BE%D0%B7%D0%B4%D1%80%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5+%D1%81+%D0%B4%D0%BD%D0%B5%D0%BC+%D1%80%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D1%81+%D0%BF%D1%80%D0%BE%D0%BF%D1%83%D1%89%D0%B5%D0%BD%D0%BD%D1%8B%D0%BC%D0%B8+%D0%BF%D1%80%D0%B8%D0%BB%D0%B0%D0%B3%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%BC%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184421_obrazec_zayavleniya_na_uderzhanie_iz_zarabotnoy_platuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187709_servera_na_gta_samp_03e_nachinaem_s_bomzha.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187692_egye_po_russkomu_yazuyku_2015_centr_otvetuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024ac7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AC7 3556 bytes
font_01_sfnt_off0002584a.bin
7f1442a267cf684846818fb6fefd262026ae7440a0a669612ba293d95c79d341		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2584A 15280 bytes
font_02_sfnt_off0002880a.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2880A 14468 bytes
font_03_sfnt_off0002b2b9.bin
fc29370c06f6d1976d8d6a3c3df70ad471f4aeda44205b73bf3080aaf4e69d6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2B9 7128 bytes
font_04_sfnt_off0002c764.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C764 6084 bytes
font_05_sfnt_off0002d6f9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6F9 3752 bytes

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