Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d4d9371bdcfe94e…

MALICIOUS

PDF

186.4 KB Created: 2015-07-24 07:40:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a68bc24ba81bd3f375859f00584d60b3 SHA-1: 84c988f7016993ac3c49030cb20bf8afb21be2bf SHA-256: 2d4d9371bdcfe94e6854d7e52ba09b7b93db0af23cdc45da91a1abe55c3642ae
90 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure for further malicious activity. No scripts were extracted, and the document body was not sufficiently readable to provide further context.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D1%80%D0%B5%D0%BD%D0%B0%D0%B6%D0%B5%D1%80+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F+%D1%81%D1%82%D0%B0%D0%BD%D0%BA%D0%BE%D0%B2+%D1%81+%D1%87%D0%BF%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189854_klyuch_dlya_norton_internet_sekyuriti.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189537_raspisanie_avtobusov_kamennaobi_patp.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184630_skachat_chit_na_ks_1_6_aim_i_vh.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245b5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245B5 3556 bytes
font_01_sfnt_off00025338.bin
c3c9cd01c3fb4bc95da114adf85b2ea035bcda6a9cb159b19778b214890b6a8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25338 14692 bytes
font_02_sfnt_off00028150.bin
c457fcfaab6f548331a7572fefd0d96ae260c7787e9dff2b51ae1aa36573dbb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28150 14468 bytes
font_03_sfnt_off0002abff.bin
6b49b8bf4b37c626942824d62c2820b8e6f3b6d4b88ae7ecf14a36ff916cc33d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABFF 6896 bytes
font_04_sfnt_off0002bfe9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFE9 6084 bytes
font_05_sfnt_off0002cf7e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF7E 3752 bytes

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