Malicious PDF — malware analysis report

Static analysis result for SHA-256 7586e33afed7bbaa…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 10:51:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ce874c9261a59567343568e59d31aac2 SHA-1: 33310502db12686b4f089a2b077d29793001c959 SHA-256: 7586e33afed7bbaaf65f59fc65dc0d0695eb9280d13a121d64e3a783fbe16b8c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a malicious redirector heuristic, indicating it contains a link to known malicious infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL `http://botcraftcraftman.ru/...` 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%BF%D0%B5%D1%81%D0%BD%D1%8F+%D0%B4%D0%BE%D1%80%D0%BE%D0%B6%D0%B5+%D0%B7%D0%BE%D0%BB%D0%BE%D1%82%D0%B0+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386449_skachat_embarcadero_rad_studio_xe2.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386345_liberta_albano_i_ramina_pauyer_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384097_borland_c___builder_6_skachat_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_off00024166.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24166 3556 bytes
font_01_sfnt_off00024ee9.bin
1e5d4bdddebdaee024b9dd5e5896bfab88032807bf8e36732fb289ec8da8cae1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EE9 15208 bytes
font_02_sfnt_off00027d50.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D50 14468 bytes
font_03_sfnt_off0002a7ff.bin
cf0f920d4d67e100a60bc1e3fc5efcdaf082cca5972f20165f88f88edba513ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7FF 6540 bytes
font_04_sfnt_off0002ba8c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA8C 6084 bytes
font_05_sfnt_off0002ca21.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA21 3752 bytes

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