Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f590cf45925185…

MALICIOUS

PDF

187.4 KB Created: 2015-07-25 06:13:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6ebc66eac9a8fe62b60253c01137c65e SHA-1: 08bd759fa5a5b6af2b975021df88cfd811c71ab2 SHA-256: 02f590cf4592518582d07cdc4c49796fcf03b8dbc01f94cfcd6a2f194159decf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is disguised as a download for DirectX 9. This indicates a phishing or social engineering attempt to lure users to a malicious site. No scripts were extracted, but the embedded URL is a high-confidence indicator 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=directx+9+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%BB%D1%8F+windows+7+%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//4192/4192218_vrezka_geometricheskih_figur_risunok.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185690_inglizcha_o_zbekcha_lug_at.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197130_kod_produkta_battlefield_3.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ad18.bin
3f976fe9a95e1d24be130a630eb41b2340feed79532b27d4f25e6215f9b6267d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AD18 7704 bytes
font_00_sfnt_off000243a3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243A3 3556 bytes
font_01_sfnt_off00025126.bin
b5daede0e89f356a1e48e3d7876b9868570fc006977156836a915babc611e4d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25126 15608 bytes
font_02_sfnt_off000280fa.bin
53171d337ff8eb664e94d22e7808a0515608a6169fceb343c42a7fe65013904a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280FA 14896 bytes
font_04_sfnt_off0002c3e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3E5 6084 bytes
font_05_sfnt_off0002d37a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D37A 3752 bytes

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