Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebc21351bbb54b68…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 05:24:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e69ecd30a3056d2c05197f5b02c2b68f SHA-1: b6c82aa750b2c57fd0e430f634af797132f5f495 SHA-256: ebc21351bbb54b688959f021642646a6058763f6aee36e5c501e311ee2646b6a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059 Command and Scripting Interpreter T1204 Malicious Link

The PDF contains a link to a known malicious redirector, botcraftman.ru. This indicates the document's primary purpose is to lure the user to a potentially harmful site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was truncated.

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+%D0%B2%D0%B8%D1%80%D1%83%D1%81+%D1%82%D1%80%D0%BE%D1%8F%D0%BD+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185681_skachat_film_mr4_cherez_torrent_besplatno_v_horoshem_kachestve.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185926_programma_dlya_vzloma_kivi_koshelka.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187516_rodovoy_bukvar_drevneslovenskoy_bukvicuy_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002438d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2438D 3556 bytes
font_01_sfnt_off00025110.bin
db6474f8031c989e264d9ff45cdc4a7d5d6ccfa1e9bd59ff79629fa7fdd4c17f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25110 14312 bytes
font_02_sfnt_off00027e04.bin
4ae165705ecc41720893a92c6e94e3ee89b3be36a12e4a920505046f59c61edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E04 14468 bytes
font_03_sfnt_off0002a8b2.bin
6947fb0248a558573ad8e3737d943b1787861abf3c916e0f7434cf4fdca812fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8B2 7044 bytes
font_04_sfnt_off0002bd24.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD24 6084 bytes
font_05_sfnt_off0002ccb9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCB9 3752 bytes

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