Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad641cc9ecefbe69…

MALICIOUS

PDF

185.9 KB Created: 2015-07-24 05:13:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 91c249780d5be464ab5d16775fbb414f SHA-1: 2f892ea6cad6ba420e7ae63eb49079add3754bad SHA-256: ad641cc9ecefbe698f758dc188bb543fb0ca19e9399ab55a1a6f00d114ec4862
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates an attempt to lure the user to a harmful site. The file's metadata suggests it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be part of a larger phishing or malware delivery scheme. No scripts were extracted, limiting further analysis of the payload.

Heuristics 2

  • 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.
  • 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+%D0%BD%D0%B0+%D0%B4%D0%B5%D0%BD%D1%8C%D0%B3%D0%B8+%D0%B4%D0%BB%D1%8F+farming+simulator+2009&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185207_skachat_igru_garri_potter_i_daruy_smerti_chast_1_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184503_skachat_java_dlya_maynkraft_152.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186322_kartinuy_po_nomeram_skachat_shemuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a62e.bin
dbc9aa6552fd79f717bc17bdf8dc86ad508bd751cc8c1eea7c6641a7d13cb978		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A62E 7976 bytes
font_00_sfnt_off00023f6b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F6B 3556 bytes
font_01_sfnt_off00024cee.bin
6d66e91c713b9990237f869cbb701f46a58f61faf220a9ed180861db1ecfc4ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CEE 14544 bytes
font_02_sfnt_off00027a52.bin
554971203f65d4805c4e55a472d7b8fe07c52a2e79a9a917c43608b260fce462		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A52 14840 bytes
font_04_sfnt_off0002bdea.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDEA 6084 bytes
font_05_sfnt_off0002cd7f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD7F 3752 bytes

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