Malicious PDF — malware analysis report

Static analysis result for SHA-256 193327f6aa938cad…

MALICIOUS

PDF

186.8 KB Created: 2015-08-08 09:49:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ccc9867c5aa7a1ca030861109f764479 SHA-1: 00418ff32ebf1e189e408fd648b9a3371f889e65 SHA-256: 193327f6aa938cad87cb9e018d0bba81d03c4cb51b8ec1160eb55bbe6836bdf0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. This URL is likely used to lure the user to a malicious site, potentially for phishing or to download further malware. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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+%D1%82%D0%BE%D0%B2%D0%B0%D1%80%D0%BD%D1%83%D1%8E+%D0%BD%D0%B0%D0%BA%D0%BB%D0%B0%D0%B4%D0%BD%D1%83%D1%8E+%D1%82%D0%BE%D1%80%D0%B3-12+%D0%B2+%D0%B2%D0%BE%D1%80%D0%B4%D0%B5+%D0%BD%D0%B0+%D0%BE%D0%B4%D0%BD%D0%BE%D0%BC+%D0%BB%D0%B8%D1%81%D1%82%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384062_marshrutka_minskzhodino_raspisanie.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383956_torrent_mmn.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384169_civilization_iv_skachat_torrent.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002477e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2477E 3556 bytes
font_01_sfnt_off00025501.bin
226729aa508dd461582be336c6cfbfd38ae8c0afdf1e9816c2135e5f02348d76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25501 14564 bytes
font_02_sfnt_off0002823d.bin
8e3c65ae0a1e81911847e86d157d9a7bca27dcf5bc749c0a60dba30732b62287		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2823D 14468 bytes
font_03_sfnt_off0002acef.bin
10555c9cff61bd76c469194527e4712cbcead9795454d7081005a3f16282e288		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACEF 6988 bytes
font_04_sfnt_off0002c15b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C15B 6084 bytes
font_05_sfnt_off0002d0f0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0F0 3752 bytes

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