Malicious PDF — malware analysis report

Static analysis result for SHA-256 5be50c34c303ae73…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 01:31:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9279beaf124bbf396ef29a8821ec76de SHA-1: b8e3ecaf1575457c530b9c29477fe178cb0bc2ac SHA-256: 5be50c34c303ae73516dde1dc4a12cf9bacbdbe8d31404c23603594415a0b983
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a known malicious redirector. This indicates the document is designed to lure the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or downloader attack pattern.

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+%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%B0+%D0%B1%D1%83%D0%B4%D0%BE%D1%89%D0%B5%D0%B2%D0%B0+%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://img0.liveinternet.ru/images/attach/c/5//4184/4184961_prikaz_001_mvd_rf_ob_ord.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184494_skachat_mortal_kombat_9_na_pc_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184901_ktp_s_uud_5_7_klass_izo_shpikalova.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_off000243ca.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243CA 3556 bytes
font_01_sfnt_off0002514d.bin
20fcef63ff0ec140eee76a6e52e7b88c1b9305ad65f832fc6af7c02b9a7a3eed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2514D 14988 bytes
font_02_sfnt_off00027fee.bin
d3829c10fec120085a6f2cbf41fbcd98de04aecc5ddd880fdb462ab7a1df4dbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FEE 14956 bytes
font_03_sfnt_off0002ac1e.bin
e9286b3e12d36ee1588b7a61eb34c6e208d3e4a2da81ec940bf1945b9db1d234		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC1E 7196 bytes
font_04_sfnt_off0002c107.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C107 6084 bytes
font_05_sfnt_off0002d09c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D09C 3752 bytes

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