Malicious PDF — malware analysis report

Static analysis result for SHA-256 7edb54c3c2ef7c21…

MALICIOUS

PDF

185.8 KB Created: 2015-08-08 12:28:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e1f3798028d70a301fd6623da91af1a6 SHA-1: f869c31a5cb918d323e31ed31dce2fcdb92e09c8 SHA-256: 7edb54c3c2ef7c21bb60ee0a2153dd082e080b13cfc8732d7a50afa4e44b5147
92 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded URL is likely intended to lure the user into downloading further malware or phishing for credentials.

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=diretx9+%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+%D0%B4%D0%BB%D1%8F+windows+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385454_totalreader_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386015_zamena_perednih_stoek_na_vaz_2114_video.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385996_skachat_programmu_fastmoney.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a6ba.bin
371701281e13fa455004ee6f1da542cb441ed8828917140351ab7b87d6bba5f9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A6BA 7604 bytes
font_00_sfnt_off00023ef1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EF1 3556 bytes
font_01_sfnt_off00024c74.bin
2b58d85a254e341d7c5e71bbb6dac35e646c48f0fd3041c51d3d18b9175c1dca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C74 14968 bytes
font_02_sfnt_off00027a99.bin
53cc63cb6f52a90a6124c22321b95b354b885c0581e21b43acb55040d18b833b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A99 14896 bytes
font_04_sfnt_off0002bd34.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD34 6084 bytes
font_05_sfnt_off0002ccc9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCC9 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.