Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb2cd3f4590d99a3…

MALICIOUS

PDF

184.5 KB Created: 2015-07-25 15:54:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2aa06d2cb035d7fce105505b44058b68 SHA-1: 42030461806d9f70a7de3a2e49b96e6e4949a336 SHA-256: eb2cd3f4590d99a356019504b759fe5feefd40fa3a4a5e74896dce451b6d3db4
92 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The primary malicious indicator is the redirector URL, which is likely intended to lead the user to a phishing or malware distribution site.

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%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%B2%D1%82%D0%BE%D1%81%D0%B5%D1%80%D0%B2%D0%B8%D1%81%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191575_kinoteatr_kosmonavt_tosno_raspisanie_seansov.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195196_skachat_operu_mini_na_nokia_2700.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192578_skachat_besplatno_cherez_torrent_igru_gta_5.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024103.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24103 3556 bytes
font_01_sfnt_off00024e86.bin
ed4e3cc8db1a41185f9ba074755a6b7f4daf075aa6744cfe07f194a443d2d06c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E86 14212 bytes
font_02_sfnt_off00027b26.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B26 14468 bytes
font_03_sfnt_off0002a5d9.bin
9489a49dd8bb02f226d1f8fccfefa4e5442eb8070a5adb5c0dd13042c1c3c027		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5D9 6496 bytes
font_04_sfnt_off0002b860.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B860 6084 bytes
font_05_sfnt_off0002c7f5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7F5 3752 bytes

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