Malicious PDF — malware analysis report

Static analysis result for SHA-256 de8a0d6806ead7e4…

MALICIOUS

PDF

186.0 KB Created: 2015-07-27 08:31:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4cf3e8c1c7e258bc1d142213188df2fd SHA-1: 6a9a94ecad22bd3f6fc1205b1dbb350cb6349bcb SHA-256: de8a0d6806ead7e400404bba5278837c73f83807017962c0b2170ff321b39dda
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was unreadable, limiting further analysis of the exact payload.

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%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BA+%D1%81%D0%B2%D0%B8%D0%BD%D0%BA%D0%B0+%D0%BF%D0%B5%D0%BF%D0%B0+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4225/4225768_skladnoy_stul_dlya_ruybalki_svoimi_rukami.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4219/4219472_disk_1s_its_prof_iyul_2015_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203215_ct_po_fizike_2015_onlayn.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024583.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24583 3556 bytes
font_01_sfnt_off00025306.bin
cb38adf6b774fbe29e01baed3931ab0f6e07d775ab7bcf32dddb1eaccb0bb331		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25306 14420 bytes
font_02_sfnt_off00028047.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28047 14468 bytes
font_03_sfnt_off0002aafa.bin
564f9f44aeda93ca43a2ffe8918a518593d2ef9d7c7c4652c785b9e26671ec4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAFA 6632 bytes
font_04_sfnt_off0002be08.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE08 6084 bytes
font_05_sfnt_off0002cd9d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD9D 3752 bytes

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