Malicious PDF — malware analysis report

Static analysis result for SHA-256 0688da35b3964f51…

MALICIOUS

PDF

184.9 KB Created: 2015-08-08 13:19:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ae655677e27e48802cfe99209a3c4490 SHA-1: 619091a911efe2542a88c6eaf46adc862f8bf3a6 SHA-256: 0688da35b3964f51a3077ae2c3650a65c491aa70b28391b9af8f3f5c23f34128
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the PDF structure and embedded link suggest a phishing or redirection attempt, likely delivered as a spearphishing attachment.

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%82%D0%B5%D0%BA%D1%81%D1%82+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+%D1%80%D0%B0%D0%B4%D1%83%D0%B9%D1%81%D1%8F+%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D0%B0+%D0%BD%D0%B5%D0%BD%D0%B5%D0%B2%D0%B5%D1%81%D1%82%D0%BD%D0%B0%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387366_speshi_lyubit_skachat_besplatno_odnim_faylom.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4392/4392034_skorpions_skachat_vse_albomuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385784_raspisanie_yelektrichek_masyukovschinamolodechno.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_off000242cf.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242CF 3556 bytes
font_01_sfnt_off00025052.bin
9e63bb2c147a665eb9a6ff2aefb7ec52a00578ccad72740dd168755d247740f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25052 14184 bytes
font_02_sfnt_off00027d05.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D05 14468 bytes
font_03_sfnt_off0002a7b8.bin
b5093401f96420c9d1d50ebbc641d6048a20049dcccae4dcceac4224ef3401ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7B8 6432 bytes
font_04_sfnt_off0002b9e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9E5 6084 bytes
font_05_sfnt_off0002c97a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C97A 3752 bytes

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