Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcbe86e12bdb8cab…

MALICIOUS

PDF

185.4 KB Created: 2015-07-23 20:25:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 93a4e6bcc6818c997f2ead243d0cfe2f SHA-1: b89a7590a2cf7f05eb0fe25f9a8998860c5d2ac0 SHA-256: dcbe86e12bdb8cabdadcf1b8b15725662c44adef8bffa5ea64f700550f864b5a
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, indicating a likely attempt to lure the user to a malicious website. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' directly supports this finding. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The file was generated by wkhtmltopdf, which is not inherently malicious but can be used to package malicious content.

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%93%D1%82%D0%B0+%D0%BA%D1%80%D0%B8%D0%BC%D0%B8%D0%BD%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D1%80%D0%BE%D1%81%D1%81%D0%B8%D1%8F+%D0%B1%D0%B5%D1%82%D0%B0+2+%D0%BF%D1%80%D0%BE%D1%85%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184371_skachat_blok_launcher_pro_dlya_maynkraft_095.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183198_landshaftnuyy_dizayn_proekt.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184504_kak_snyat_dengi_s_fonbeta.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240db.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240DB 3556 bytes
font_01_sfnt_off00024e5e.bin
88195c0148363b797cd6c8404d6a658def2e22f4a9481f89e49062767acc7a7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E5E 14764 bytes
font_02_sfnt_off00027c74.bin
a63593590217fae956a40563c4ed283c9b3cd844361fdfb05704919beb3c2cba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C74 14532 bytes
font_03_sfnt_off0002a763.bin
d10761637057b049229a18d096f6fd399398ade1374ab6c4bcbabdd9c242f36e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A763 7012 bytes
font_04_sfnt_off0002bbaf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBAF 6084 bytes
font_05_sfnt_off0002cb44.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB44 3752 bytes

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