Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce96e3af468ee324…

MALICIOUS

PDF

185.4 KB Created: 2015-07-23 23:53:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d260f45cf0aec5ad4b8ab22e20519109 SHA-1: b3eb4454de271ab9c1e7931797df7cec20a890ef SHA-256: ce96e3af468ee324efeeb4f1bbaf5419028e299def2384c79aa872eacd86da2b
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 pointing to 'http://botcraftman.ru/'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The ML classifier also assigned a high probability of maliciousness.

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-7494860-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494860-0
  • 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=mirrors+edge+2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185615_prezentaciya_rastitelnuyy_i_zhivotnuyy_mir_sverdlovskoy_oblasti.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184527_skachat_programmu_na_telefon_detektor_lzhi.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184969_uchebnik_po_latinskomu_yazuyku.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a763.bin
0180f8f40bf0b1f501e0a991e79ee432daf9a936c8bcac47cfb09e1f5b82040f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A763 7020 bytes
font_00_sfnt_off000242ae.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242AE 3556 bytes
font_01_sfnt_off00025031.bin
241714e9f7aa60395bdf9a0d676228f63a13d5f9010f247b4a8096ad1930090b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25031 14212 bytes
font_02_sfnt_off00027cae.bin
e629bfd62d7f4760d87591c53e34f6d5754ca991fbc909cd6f58179cc627cd54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CAE 14468 bytes
font_04_sfnt_off0002bbb0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBB0 6084 bytes
font_05_sfnt_off0002cb45.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB45 3752 bytes

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