Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f6eec94d77715f…

MALICIOUS

PDF

186.9 KB Created: 2015-07-27 09:37:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b5f9f567292cd7dc3429e6a4629b76f8 SHA-1: 97109bd926049962a16e165ca7e34a2e2a13ca5c SHA-256: f0f6eec94d77715f6e689bb3abf1a56fcf64eb1d5fa0af4d0e99fc3b5b152f53
90 Risk Score

Malware Insights

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

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. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%BD%D0%BE%D0%B2%D0%B8%D0%BD%D0%BA%D0%B8+%D0%BA%D0%B8%D0%BD%D0%BE+2015+%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://img1.liveinternet.ru/images/attach/c/5//4219/4219709_russkaya_kanareyka_bludnuyy_suyn_skachat_besplatno_fb2.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4220/4220160_skachat_flash_player_posledney_versii_na_telefon.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197833_skachat_vzlomannuyu_boss_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002476b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2476B 3556 bytes
font_01_sfnt_off000254ee.bin
05768a6629388046cceb511e6571373f479da5e2834e048fe721c887bdd7e645		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254EE 15168 bytes
font_02_sfnt_off00028394.bin
4a7c18071d8422ddc15d5c1e66ad94d8378ff78bdd2f11c664f1bf528858028f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28394 14640 bytes
font_03_sfnt_off0002aecd.bin
9ea9d4b1357b2c493c922ad4f84564d13e36cecfa50361bd8ce3fb8445135134		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AECD 6624 bytes
font_04_sfnt_off0002c1cf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1CF 6084 bytes
font_05_sfnt_off0002d164.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D164 3752 bytes

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