Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce63ea8ffe539571…

MALICIOUS

PDF

188.7 KB Created: 2015-08-01 01:21:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 09b8bed3f83afaa227a18e46a16ae00f SHA-1: 7890cb37435627b7a4ef7a4a38457d39428ed9fe SHA-256: ce63ea8ffe5395716bd9aabfdbcdfced1bd90cc52142c4c8d2fc1363df51428b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains an embedded link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The primary malicious IOC is the URL http://botcraftman.ru/, which is likely used to deliver a secondary payload or redirect to a phishing site. No scripts were extracted from this sample.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D0%BF%D1%80%D0%B8%D0%BD%D1%86%D0%B5%D1%81%D1%81%D0%B0+%D1%81%D0%BE%D1%84%D0%B8%D1%8F+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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//4224/4224805_skachat_albom_dzdzo_2013_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4231/4231346_telefonnuyy_spravochnik_volgograda_domashnie_telefonuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4239/4239629_bullet_for_my_valentine_novuyy_albom_2015_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024e2d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E2D 3556 bytes
font_01_sfnt_off00025bb0.bin
ccc81adaf5692ac9d1776ba9e086273c0aa4a0ea8de4c62fffc90dc2812ee901		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25BB0 15164 bytes
font_02_sfnt_off000289fe.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x289FE 14468 bytes
font_03_sfnt_off0002b4b0.bin
5abbb0df68cfed633cfd2cb160b230b3b1b3d5cd34df20d80b6fd6fcd68e8f06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4B0 6972 bytes
font_04_sfnt_off0002c8f6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8F6 6084 bytes
font_05_sfnt_off0002d88b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D88B 3752 bytes

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