Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ed1be815b31263b…

MALICIOUS

PDF

184.4 KB Created: 2015-08-05 16:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d3aa086e02e4ad6d70e6609ef92c2bd1 SHA-1: b3f3eae1714771b9ea2c1063ce46b832a0c82523 SHA-256: 3ed1be815b31263b37046895c778a453937e81dd8ff16e0cbd106cddc75fadef
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 a high ML score. The embedded URL points to botcraftman.ru, which is identified as a known malicious redirector. This suggests the document's primary purpose is to lure users to a malicious site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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-8786637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8786637-0
  • 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=%D0%BA%D0%B0%D1%80%D1%82%D0%B0+%D0%BC%D0%BE%D1%81%D0%BA%D0%B2%D1%8B+%D0%B8+%D0%BF%D0%BE%D0%B4%D0%BC%D0%BE%D1%81%D0%BA%D0%BE%D0%B2%D1%8C%D1%8F+%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://img0.liveinternet.ru/images/attach/c/6//4306/4306448_angliyskiy_po_dragunkinu_audiokurs_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305051_akt_priema_peredachi_pomescheniya_obrazec.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304517_avtokliker_dlya_igr_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f1f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F1F 3556 bytes
font_01_sfnt_off00024ca2.bin
66042c13f09ee18e6b353dc532407a3a586e87174e856a00de4a548524d93bc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CA2 14368 bytes
font_02_sfnt_off000279d6.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279D6 14468 bytes
font_03_sfnt_off0002a488.bin
234ba65a1d6f8dc8f0b9925c2036449c3b6d7b08dcd0e83cfec72667d7b72d9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A488 6704 bytes
font_04_sfnt_off0002b7b2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7B2 6084 bytes
font_05_sfnt_off0002c747.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C747 3752 bytes

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