Malicious PDF — malware analysis report

Static analysis result for SHA-256 05e89ac648a6f774…

MALICIOUS

PDF

184.3 KB Created: 2015-07-25 15:57:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 12c067d2adf81ce013430c45c85f3db7 SHA-1: 5b57638a97c2d658027337685f7cd7fb1db6d6fa SHA-256: 05e89ac648a6f774748c6fceca569bdee83012e3d4cf7ed7e594c48e2a367a69
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 users to a harmful site, likely for phishing or to download further malicious content. The ML classifier also strongly indicated maliciousness.

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%BE%D0%B5%D0%BA%D1%82+%D0%B1%D0%B0%D1%80%D0%B1%D0%B5%D0%BA%D1%8E+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185893_skachat_gluhar_1_sezon_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192960_spider_man_2_enter_electro_skachat_torrent_pc.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184457_spravka_o_srednem_zarabotke_dlya_centra_zanyatosti_blank_skachat.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_off00023f11.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F11 3556 bytes
font_01_sfnt_off00024c94.bin
46b0c4ad14945b9ee74609c330f246dfe7deabcaf9501b900c2f011a82cdb151		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C94 14604 bytes
font_02_sfnt_off00027a31.bin
13c118e1b16d932ee74b7fb21ba03c9b98cbe48dfb6f44f054098b58aeb7df02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A31 14468 bytes
font_03_sfnt_off0002a4e1.bin
b21429aa6338cc5a4515db8e161dc72d988342f3a261ec79430ea9a946a44ed5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4E1 6512 bytes
font_04_sfnt_off0002b758.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B758 6084 bytes
font_05_sfnt_off0002c6ed.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6ED 3752 bytes

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