Malicious PDF — malware analysis report

Static analysis result for SHA-256 56da93a58baac3d2…

MALICIOUS

PDF

184.9 KB Created: 2015-08-05 13:53:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c39f848889b93b11058a1c2d921c1d25 SHA-1: e55a42f5c4efb91949a34f87a4b1b22fba84efe8 SHA-256: 56da93a58baac3d2fa5fb6b13bb548423c5602a64b55ee36096fdf759fecaa05
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to a known malicious redirector at http://botcraftman.ru/. This indicates the document is likely a lure to direct users to a malicious website. No scripts were extracted, and the document body was heavily 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+pro+evolution+soccer+2011&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304738_zolotoy_klyuch_proverit_bilet_790_tirazh.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304811_programma_dlya_vkontakte_offlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304492_taisiya_povaliy_skachat_besplatno_mp3.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a566.bin
ca196068392ac1c08839e05e06902db8096f54f2b7f402843d2ddc1804597f24		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A566 6936 bytes
font_00_sfnt_off00023eba.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EBA 3556 bytes
font_01_sfnt_off00024c3d.bin
27728c8ddece2b38eaa7eb29a646bbfd90e13b264bb3d68a29b82b59615dcf78		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C3D 14648 bytes
font_02_sfnt_off00027a25.bin
8e2604a2b40ab1a563f2914d25567980ef3f7299bb9125a08c2aefe3bbaadca5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A25 14628 bytes
font_04_sfnt_off0002b99c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B99C 6084 bytes
font_05_sfnt_off0002c931.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C931 3752 bytes

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