Malicious PDF — malware analysis report

Static analysis result for SHA-256 e00b4f050dd059cc…

MALICIOUS

PDF

188.9 KB Created: 2015-07-25 02:18:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ecd8bbe3ca9d055be52a4a27acb2713c SHA-1: e2dd2be6f354be0b259622dcd4d5e4cf348b3450 SHA-256: e00b4f050dd059cc97d161506156c9e95ed7b6ce01842d0b452d690f2185a559
92 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 known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL, http://botcraftman.ru/..., is the primary indicator of compromise, likely serving as a lure for phishing or malware distribution. 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%A1%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%D1%83%D1%8E+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B7%D0%BB%D0%BE%D0%BC%D0%B0+%D0%BF%D0%B0%D1%80%D0%BE%D0%BB%D0%B5%D0%B9+%D0%B2%D0%B0%D0%B9+%D1%84%D0%B0%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184489_semago_diagnosticheskiy_albom_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185023_champ_man_15_koduy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196150_rusifikator_allfusion_process_modeler_r7.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024dbe.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DBE 3556 bytes
font_01_sfnt_off00025b41.bin
f342540c582527b59766400d800dc011f5afdc5ab107434f397870a0b239c0a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25B41 14888 bytes
font_02_sfnt_off0002890d.bin
4ae165705ecc41720893a92c6e94e3ee89b3be36a12e4a920505046f59c61edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2890D 14468 bytes
font_03_sfnt_off0002b3bb.bin
a60bcef042c067a0b9116aeab01ba5e7945d39586730eb8a4caaa3a7938d2885		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B3BB 7504 bytes
font_04_sfnt_off0002c9cd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9CD 6084 bytes
font_05_sfnt_off0002d962.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D962 3752 bytes

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