Malicious PDF — malware analysis report

Static analysis result for SHA-256 052c867a0883fe12…

MALICIOUS

PDF

188.3 KB Created: 2015-07-24 23:48:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 216b9da6cbb5679450fd7f31dbaf0a9d SHA-1: f918fedca370313ea3fc5cd2510b1c7f2316c9c1 SHA-256: 052c867a0883fe12ed68b4fd7683fcba34642a5ccffd573f1a104f09e436401b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B8%D0%BC%D1%81+4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B8%D0%B3%D1%80%D1%83+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80+%D0%B1%D0%B5%D0%B7+%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%86%D0%B8%D0%B8+%D0%B8+%D1%81%D0%BC%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184478_notuy_dlya_fortepiano_populyarnuyh_pesen.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191878_skachat_gta_4_zombi_apokalipsis_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195113_windows_7_64h_razryadnaya_russkaya_versiya_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_off00024bee.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BEE 3556 bytes
font_01_sfnt_off00025971.bin
758cca10bf6dba802fb1d34af1365abb788ce354f4fbf15f2e6d91a21627eea3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25971 14880 bytes
font_02_sfnt_off00028820.bin
a742f064b7ce86b91d10b3db085e8ed3f0e92a02bda9a3d084b166fb617d7c57		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28820 14468 bytes
font_03_sfnt_off0002b2d0.bin
cd0f4d3a3bf55112daca1b5ca186ca3cccd875ec1245a37d2c7af44c162f0e54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2D0 7076 bytes
font_04_sfnt_off0002c762.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C762 6084 bytes
font_05_sfnt_off0002d6f7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6F7 3752 bytes

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