Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0ca80b92a7364c9…

MALICIOUS

PDF

185.7 KB Created: 2015-08-08 09:39:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f38598f207f4953a68892e891b82fe8d SHA-1: dc90f813962abd679c9fdbd70263501933b3d2aa SHA-256: f0ca80b92a7364c9c05fa95d04812bd71a8e89fb5966ed10aee5d648e30b4c26
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. This indicates the document is likely a lure to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was not fully readable.

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%B8%D0%B3%D1%80%D0%B0+%D0%B7%D0%B5%D0%B2%D1%81+%D0%B8+%D0%BF%D0%BE%D1%81%D0%B5%D0%B9%D0%B4%D0%BE%D0%BD+%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//4383/4383906___omsi_2____5292.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383844_word_7_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384031_kakie_uslugi_osuschestvlyaet_kompaniya_po_autsorsingu.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024452.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24452 3556 bytes
font_01_sfnt_off000251d5.bin
2ee50c31016ea10fa1b70bc090bc8a0c5179c085f4d85dc347b62dedfc65ed5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251D5 14536 bytes
font_02_sfnt_off00027fa5.bin
2f174bce2bf89b86ed20b23e335462fb6c665daf7d579c7771c32fa68bc7e60f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FA5 14468 bytes
font_03_sfnt_off0002aa57.bin
787d25625b77c5a66f087fcc71efdbb4d2a5b2d90b548b3099ad14129d7ecb8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA57 6628 bytes
font_04_sfnt_off0002bd2f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD2F 6084 bytes
font_05_sfnt_off0002ccc4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCC4 3752 bytes

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