Malicious PDF — malware analysis report

Static analysis result for SHA-256 47411d0d20ad4e1a…

MALICIOUS

PDF

187.0 KB Created: 2015-07-23 19:53:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0190a89919546e8061c12e54edafa95f SHA-1: 709522a2e28e9629971d9d74cd9b74ca48262e42 SHA-256: 47411d0d20ad4e1a5004e0420cca823e0a6fd693f9731a93bbf100a669a7ce38
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link and ClamAV detection as Pdf.Dropper.Agent-8786863-0. The embedded URL http://botcraftman.ru/... is identified as a known malicious redirector. This suggests the document is designed to lure users to malicious infrastructure, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8786863-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8786863-0
  • 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=1%D1%81+%D0%BA%D0%BE%D0%BC%D0%BF%D0%BB%D0%B5%D0%BA%D1%81%D0%BD%D0%B0%D1%8F+%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F+8+%D1%81%D0%B0%D0%BC%D0%BE%D1%83%D1%87%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183176_lazer_iz_dvd_privoda_shema.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183259_primer_rascheta_strahovuyh_vznosov_2013.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183256_shema_podklyucheniya_gerkona.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024757.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24757 3556 bytes
font_01_sfnt_off000254da.bin
af391e2fa9d262f8a2e9c66b32eca503082ae0bb514ae85912f0b494344804f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254DA 14520 bytes
font_02_sfnt_off00028281.bin
0af767d1bb0ed815b8e95587d21ef31da686bfb0197fdb61d465b06ecd9ff0f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28281 14468 bytes
font_03_sfnt_off0002ad38.bin
11513f688590925248a1077d90e49dc15b7217ce8f7b72ed42379c9b53ef2a16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD38 7136 bytes
font_04_sfnt_off0002c204.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C204 6084 bytes
font_05_sfnt_off0002d199.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D199 3752 bytes

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