Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2e76e3fb299c289…

MALICIOUS

PDF

184.0 KB Created: 2015-07-24 14:03:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1ab058fb83a507e7ca94e14ae3fd1f89 SHA-1: 0103561e57a31db97b180728faa8015b27276232 SHA-256: c2e76e3fb299c2893279f3f2db7e0a55963645c614cca83e73da4087877821c8
90 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, 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, and the document body was truncated, limiting further analysis of the specific lure.

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%94%D0%BE%D0%BB%D0%B3+%D1%80%D0%B0%D0%BD%D0%BC%D0%B0%D1%80%D0%BD%D0%B0+%D1%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190132_raspisanie_na_nedelyu_shablon.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191365_russkaya_ruybalka_39_odinochnaya_igra_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189187_trudovoy_dogovor_s_nyaney_obrazec.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e2e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E2E 3556 bytes
font_01_sfnt_off00024bb1.bin
025c1ef9372283537227b51b647df5c59633e864ae2cb06e543459f019067e94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BB1 14752 bytes
font_02_sfnt_off00027a3f.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A3F 14468 bytes
font_03_sfnt_off0002a4f1.bin
18a3643f0f22d7875a58066e55da585383effe24af10e5afc0cc3e656cf1333e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4F1 6104 bytes
font_04_sfnt_off0002b60b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B60B 6084 bytes
font_05_sfnt_off0002c5a0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5A0 3752 bytes

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