Malicious PDF — malware analysis report

Static analysis result for SHA-256 a62a144cde30417d…

MALICIOUS

PDF

183.8 KB Created: 2015-07-25 11:54:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1a0fc4f92d58ae65dbdf858312c6bdb5 SHA-1: 343d434301e5262dd849f996716f39607301f377 SHA-256: a62a144cde30417d6a579ab3d1e133dcb58a193feaf47deb5e8741a7e1aaf3ac
90 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a redirect to known malicious infrastructure. The embedded URL http://botcraftman.ru/... is identified as a malicious redirector. This suggests the document is designed to lure users to a harmful site, likely for phishing or malware delivery. 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%B8%D0%BD%D1%86%D0%B5%D1%81%D1%82+3gp+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193110_buhgalterskaya_finansovaya_otchetnost_uchebnik.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203249_ls_models_foto.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192715_skachat_maynkraft_152_cherez_media_get_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ebb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EBB 3556 bytes
font_01_sfnt_off00024c3e.bin
6ba1436c10e2748eb923c6ed9fcddd2b6d15b6d74c482e8a2fbc0257e90ab74c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C3E 14196 bytes
font_02_sfnt_off000278e5.bin
814643e313191f6ff5256f6728c82743b2b9d519f398b2e74cec315a105506c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278E5 14468 bytes
font_03_sfnt_off0002a399.bin
6e01355f392b25af6652eb37d3a4b579fab54031261e27cd4174a1225ed12328		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A399 6356 bytes
font_04_sfnt_off0002b58b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B58B 6084 bytes
font_05_sfnt_off0002c520.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C520 3752 bytes

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