Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca2cb52a203050b6…

MALICIOUS

PDF

186.8 KB Created: 2015-07-24 01:14:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d8085de6736491a85aaf0f0494d18d83 SHA-1: c9619db07d0ab609862d7c26435b0f42899bd1ad SHA-256: ca2cb52a203050b6b7177b03c585eb17cfa9eb0067a1612d3a8f00fe291e73cb
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 is intended to lure users to a dangerous 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-7494823-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494823-0
  • 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%BE%D0%B4%D1%8B+%D0%BD%D0%B0+gta+san+andreas+%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D1%85%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B2%D1%81%D0%B5%D1%85+%D0%BC%D0%B8%D1%81%D1%81%D0%B8%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185069_smeshariki_skachat_besplatno_vse_serii_odnim_faylom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185605_obrazec_akta_ob_unichtozhenii_pischevoy_produkcii.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184517_skachat_igru_maynkraft_s_modami_100_modov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aac3.bin
efb06c1b3290b538addd870007d585327181d716aa238f60b7329738a40cab06		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AAC3 7692 bytes
font_00_sfnt_off00024480.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24480 3556 bytes
font_01_sfnt_off00025203.bin
c8d3d24a91a9a5f542aab084dceff254c8662e10ae2f0385e9c3ad4fe98efd37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25203 14652 bytes
font_02_sfnt_off00027f72.bin
56d0baba16676903c464aa58a2cb9661a42871e09198f03219f01b4e90f31a50		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F72 14644 bytes
font_04_sfnt_off0002c14d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C14D 6084 bytes
font_05_sfnt_off0002d0e2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0E2 3752 bytes

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