Malicious PDF — malware analysis report

Static analysis result for SHA-256 050aa76c45d144ae…

MALICIOUS

PDF

186.0 KB Created: 2015-07-24 21:56:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a1ac54f03340fb6fc3063ae26af84f62 SHA-1: 94a6c7d73ae476844114a7b05a058c5397f5af2c SHA-256: 050aa76c45d144aef04c06a0bbdf52927b006bd61b2fd1f2a80eb519eb9d7399
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is associated with malicious activity. This suggests the document is designed to lure users to a compromised site, likely for phishing or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%BF%D0%B0%D0%BF%D0%BA%D1%83+gamedata+%D0%B4%D0%BB%D1%8F+%D1%81%D1%82%D0%B0%D0%BB%D0%BA%D0%B5%D1%80+%D0%B7%D0%BE%D0%B2+%D0%BF%D1%80%D0%B8%D0%BF%D1%8F%D1%82%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194274_priezzhaya_nevesta_na_russkom_yazuyke_smotret_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186176_trainz_simulator_11_ot_rzhd_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192978_lenovo_a369_proshivka.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024125.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24125 3556 bytes
font_01_sfnt_off00024ea8.bin
be1a6fac1d70e25e14e4b1311d574e402a078e4a4650cc57264ae4c470005139		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EA8 14768 bytes
font_02_sfnt_off00027c69.bin
929c001dd4e7fef3cd41dc7e90df3f59d38bd7d217798554896bcc2cc84e9955		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C69 14744 bytes
font_03_sfnt_off0002a7f4.bin
5417213af1e74b7e5825a20b57994e3231aa79e11aeb4f5396d33e339d04194d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7F4 7596 bytes
font_04_sfnt_off0002be62.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE62 6084 bytes
font_05_sfnt_off0002cdf7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDF7 3752 bytes

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