Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cec62f11eb352a7…

MALICIOUS

PDF

184.8 KB Created: 2015-07-24 04:14:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f7b14a67ca2f3ff1936607b4adc35c01 SHA-1: 83d064841654ab5b1dc5161ae72301c1f337db96 SHA-256: 5cec62f11eb352a765adfeff59fc849b436781307c815ef79d43bbc2e792cbe9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF 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. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B+%D0%B7%D0%B0%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D0%B9+%D1%8D%D0%BA%D0%B3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185010_skachat_tunnelnuyy_adapter_microsoft_teredo.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185402_telefonnuyy_spravochnik_goroda_ustilimska.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185793_metro_2_igra_skachat_torrent.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_off00024186.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24186 3556 bytes
font_01_sfnt_off00024f09.bin
4c46f7e17fde79ac6d35c91f8dc069a5e5c9e095dd2b30e5478bbc8e7608e33a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F09 14328 bytes
font_02_sfnt_off00027c1b.bin
f53415b663ccd52eea4c65c59b55e8a1c8768ae801915dbed8f0ac196155d8ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C1B 14468 bytes
font_03_sfnt_off0002a6cf.bin
975e8f1c433b7870829b770372c836b0ca6ed95b8903e1d3894d41e37ae150dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6CF 6588 bytes
font_04_sfnt_off0002b989.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B989 6084 bytes
font_05_sfnt_off0002c91e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C91E 3752 bytes

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