Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6dd1eda7cb26df7…

MALICIOUS

PDF

190.9 KB Created: 2015-08-08 10:51:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f7287bcbdf54070a2f6a98669db025b9 SHA-1: d888ca0906e597b99efda7bc1b8c9e4febeabc37 SHA-256: e6dd1eda7cb26df7924c5a751cc5238e7ba1e16702ffae896b55341248087f74
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This suggests the document is designed to lure 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 0.9979

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=%D0%B2%D0%B5%D0%BB%D0%B8%D0%BA%D0%BE%D0%BB%D0%B5%D0%BF%D0%BD%D1%8B%D0%B9+%D0%B2%D0%B5%D0%BA+1+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4229/4229595_oscar_mouse_script_editor_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384601_bassport_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385046_proizvodstvennaya_instrukciya_yeto.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00025748.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25748 3556 bytes
font_01_sfnt_off000264cb.bin
ad9e2ad09705338b27acd094c041d95d5ad6700f8eb077bee8bead2880cf3f34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x264CB 14704 bytes
font_02_sfnt_off000291c5.bin
b1e1cc546f0f1eacb0fa825f4ffec9a121aa6720056131ecd420011035d35d0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x291C5 14680 bytes
font_03_sfnt_off0002bc8b.bin
4387483b02ac7b08e3231dd27dd1e3cc223f1323911c2cd4fcab6761a50c544e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC8B 7324 bytes
font_04_sfnt_off0002d1e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1E5 6084 bytes
font_05_sfnt_off0002e17a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E17A 3752 bytes

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