Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc8afa9042c37af2…

MALICIOUS

PDF

183.8 KB Created: 2015-07-24 10:03:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fabade6e9301fc4b6f4b921c72fcacb4 SHA-1: 846b406789824ec1aa639e10239acacad8a1ae35 SHA-256: cc8afa9042c37af2277e0aedf12a0a83114e43ac81081457496261b449d0e192
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 finding for a malicious redirector link and a ClamAV detection for Pdf.Dropper.Agent-7494840-0. 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 the user 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-7494840-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494840-0
  • 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%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D1%80%D0%B5%D1%88%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187008_skachat_miracast_dlya_windows_7.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186703_skachat_igru_unturned_1_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190737_liki_smerti_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023cf2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23CF2 3556 bytes
font_01_sfnt_off00024a75.bin
cd2e349eb09d09f199945076bd3c039386a81dba53f9cb5b15db687c52318883		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A75 14988 bytes
font_02_sfnt_off000278fe.bin
a8022f915414934cdaa853ec1bee7ccb63785d22f637bb8388448f528b01da80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278FE 14520 bytes
font_03_sfnt_off0002a3d4.bin
d7ce92b223ce7eb96bc649dd9bc96e0e675f74bbe60314abbc2c9825a58e0d19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3D4 6256 bytes
font_04_sfnt_off0002b57c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B57C 6084 bytes
font_05_sfnt_off0002c511.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C511 3752 bytes

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