Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0563e16c3ae5405…

MALICIOUS

PDF

187.1 KB Created: 2015-07-24 14:24:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f9e527ad0b97473aae3a5dd6e613fcd3 SHA-1: 6ee2d7a0bb8a015638bc0b156cc669497b7d660a SHA-256: d0563e16c3ae5405731cb9e3b78532bfe180f138c9bea7be0c09623fd7cb269a
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the embedded URL is sufficient evidence of malicious intent.

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=grand+theft+auto+v+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+pc+2015&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189757_kontrolnaya_rabota_po_literature_9_klass_literatura_18_veka.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185688_skachat_torrent_fiksiki_vse_serii_1156_odnim_faylom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187080_skachat_narezki_na_telefon_besplatno_novinki_2014.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000242a8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242A8 3556 bytes
font_01_sfnt_off0002502b.bin
8dae7ebd015a56dd3657806723bbd4667d0619914e7e01bb8a8f3561aba77bf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2502B 15256 bytes
font_02_sfnt_off00027f57.bin
b0c3da4bc705bc5a498ea3d81ac907ed03540c7f97f030b5cb0910a6c5c48e97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F57 15152 bytes
font_03_sfnt_off0002ac0b.bin
2c428f31dc267a4f54287c7b6f3093f1446e0875e9af9c99df4e5fe79e03b99e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC0B 7680 bytes
font_04_sfnt_off0002c2ca.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2CA 6084 bytes
font_05_sfnt_off0002d25f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D25F 3752 bytes

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