Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef42d295d78826f4…

MALICIOUS

PDF

183.8 KB Created: 2015-08-08 09:58:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fe70495a53fbcc3561998b03148e9309 SHA-1: 9e9113cbc22ea85823df1d46864768e3975c7499 SHA-256: ef42d295d78826f4a8cdb04ce2c63b8e59c3bd5c5c6019222b81da2eb388e704
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document is designed to lure users to a potentially harmful website. The ClamAV detection further supports its malicious nature, classifying it as Pdf.Dropper.Agent. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

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-8783083-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8783083-0
  • 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=windows+ce+6+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383893_pricheski_dlya_fotoshopa_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384448_trudovoy_dogovor_ip_s_prodavcom_blank.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384576_skachat_torrent_igra_prestolov_2_sezon_4_seriya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a1f5.bin
051d66ff78e6ecfeff393ee5d9d45776fa8721ffc54a7694aebf1a60638457fd		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A1F5 6732 bytes
font_00_sfnt_off00023b13.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23B13 3556 bytes
font_01_sfnt_off00024896.bin
c09b3d0b74504bc4fd2880d97e6b211eab797f0cb3e78eb9211d72ba776973fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24896 14780 bytes
font_02_sfnt_off00027705.bin
3c1ff0d03d9745b3b2ba885fbd54701be615bba63100494ba787404a621b6766		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27705 14536 bytes
font_04_sfnt_off0002b543.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B543 6084 bytes
font_05_sfnt_off0002c4d8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4D8 3752 bytes

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