Malicious PDF — malware analysis report

Static analysis result for SHA-256 1614c5c985f6624f…

MALICIOUS

PDF

184.8 KB Created: 2015-08-08 09:39:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3a2d35a54439bd49bdfca81620a7f64b SHA-1: a14c437ac000d8520741e51fca52ff1e61d8662d SHA-256: 1614c5c985f6624f58292f462012cdd7347f83b3fcad4ab9fae5fe3bf936227d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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=%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%82%D1%8C+%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D1%8B+%D1%81+%D0%BD%D0%BE%D0%BA%D0%B8%D0%B0+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384136_canon_isensys_mf3010_drayvera_na_windows_7_64.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383725_knigi_fb2_skachat_besplatno_klassika.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383827_zayavlenie_v_policiyu_po_nedostache.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_off00024104.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24104 3556 bytes
font_01_sfnt_off00024e87.bin
0d8613e669594f8ebedfd0997213408ec9499a0283350f2d51555917b6128d93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E87 14932 bytes
font_02_sfnt_off00027d18.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D18 14468 bytes
font_03_sfnt_off0002a7cb.bin
332eebd6845630ddb2601dc44089392465644863a90690cf636b859e87c25d78		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7CB 6276 bytes
font_04_sfnt_off0002b970.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B970 6084 bytes
font_05_sfnt_off0002c905.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C905 3752 bytes

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