Malicious PDF — malware analysis report

Static analysis result for SHA-256 14e8d84b502ea144…

MALICIOUS

PDF

186.4 KB Created: 2015-07-26 03:56:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 06c4d1c4e254b166df280011219d1775 SHA-1: dbd67274958bec8499131295cfe10e5e1ae6bf17 SHA-256: 14e8d84b502ea14402d141b3a91471b9c45a14d490abfafa0a5be90ea761c010
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier also assigned a high probability of maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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%9A%D1%83%D0%B7%D0%BD%D0%B5%D1%86%D0%BE%D0%B2+%D1%81%D0%B1%D0%BE%D1%80%D0%BD%D0%B8%D0%BA+%D0%B7%D0%B0%D0%B4%D0%B0%D1%87+%D0%BF%D0%BE+%D0%B2%D1%8B%D1%81%D1%88%D0%B5%D0%B9+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199906_sergey_lukyanenko_uchastkovuyy_skachat_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193777_dead_space_skachat_torrent_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192715_skachat_maynkraft_152_cherez_media_get_besplatno.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_off000244f0.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244F0 3556 bytes
font_01_sfnt_off00025273.bin
417bebb22924857cd2d104f9c80def5ec1b8e34a80b32af490ce370502ffc29e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25273 14632 bytes
font_02_sfnt_off00028010.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28010 14520 bytes
font_03_sfnt_off0002aadf.bin
6f1b3532bce496daf45d7d408fa5b507d4d1af5497014ea49494b1e014ab05ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AADF 7200 bytes
font_04_sfnt_off0002bfc1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFC1 6084 bytes
font_05_sfnt_off0002cf56.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF56 3752 bytes

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