Malicious PDF — malware analysis report

Static analysis result for SHA-256 204f87d45a238c6b…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 11:46:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f40535c30cd7eff821b4dc8f939343fd SHA-1: 5d343060497bf050631bdeee234850521c185d81 SHA-256: 204f87d45a238c6beece15e37ee37a71a8ad3eae38a5d06b40e19769b2320d8b
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure to direct users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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=simcity+3000+%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/6//4385/4385924_kompasyelektrik_express_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384923_remont_svoimi_rukami_gazovuyy_kotel_ariston_uno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385584_tehnologicheskaya_shema_proizvodstva_hleba.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ef7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EF7 3556 bytes
font_01_sfnt_off00024c7a.bin
613bddf0642f622547938716ac179f106b26417ee4182cb9c3369513850a4d52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C7A 14876 bytes
font_02_sfnt_off00027a9f.bin
fbd2a3f62337ed34206224b124f386886e75f35e166f6edb8f14b7ac9ac9d9c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A9F 14956 bytes
font_03_sfnt_off0002a6ca.bin
6a462a8edcf2927b63d62998e1243f2764261ff7b8e74c4db391bd98f10af07c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6CA 6864 bytes
font_04_sfnt_off0002baa5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAA5 6084 bytes
font_05_sfnt_off0002ca3a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA3A 3752 bytes

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