Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d0e2701ddefd9a0…

MALICIOUS

PDF

187.9 KB Created: 2015-07-24 12:06:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1d69b6351429f017593ebbbc9bdf2aaa SHA-1: 7f624e988b58e0a67634d9ce2155b34f7612f024 SHA-256: 2d0e2701ddefd9a03700e2a877f16e2013426aaa850360d9d9b64bad8dcf66da
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document is designed to lure users to a harmful website.

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%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B3%D0%BE%D0%BB%D0%BE%D1%81%D0%B0+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5+%D0%B1%D0%B5%D0%B7+%D0%B2%D0%B8%D1%80%D1%83%D1%81%D0%BE%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188172_skachat_proshivku_dlya_htc_wildfire_a3333.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189636_russkie_moduy_dlya_farming_simulyator_2013.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187844_obrazec_avtobiografii_v_prokuraturu.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a89.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A89 3556 bytes
font_01_sfnt_off0002580c.bin
8990cbfbcbcf212c80cb4114c4efe6594ef0c9360e4cb80bbf58ffefe618e2a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2580C 14972 bytes
font_02_sfnt_off00028641.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28641 14468 bytes
font_03_sfnt_off0002b0f3.bin
17e11d32f0e8d510ebcbfb4346a6c1652e66961e1c7fd53c5d0a503392ffc30d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0F3 7116 bytes
font_04_sfnt_off0002c5ad.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5AD 6084 bytes
font_05_sfnt_off0002d542.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D542 3752 bytes

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