Malicious PDF — malware analysis report

Static analysis result for SHA-256 45f5c53c19c47217…

MALICIOUS

PDF

183.3 KB Created: 2015-08-05 13:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8459859f0df5d384ed9ca56de20c2f09 SHA-1: 23d2f055542bb37adb2fb1fc33d51fde8dbcefbe SHA-256: 45f5c53c19c47217a76bdc350759fadbbc7c35025c5a6dd5cd05daa93a87a2df
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The embedded URL is the primary indicator of malicious intent. The file was authored using wkhtmltopdf, which is sometimes used to package malicious content.

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%BE%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B4%D0%BB%D1%8F+%D1%81%D0%B8%D0%BC%D1%81+3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304506_horoshie_pesni_skachat_besplatno_mp3.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304685_diskoteka_retro_fm_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304474_prohozhdenie_igruy_left_4_dead_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023b3f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23B3F 3556 bytes
font_01_sfnt_off000248c2.bin
f30ec21a9c3f182f1cfabe65e5cc8b70c7f0fd3b6dd32d329102b16cf3996ba9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248C2 14640 bytes
font_02_sfnt_off0002763e.bin
a8e34466c77775282ff35936152e77d2d006e6251a28fa13b9eb6049a2645024		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2763E 14468 bytes
font_03_sfnt_off0002a0e9.bin
562ea73131d2daea2189b391cc4dac4b64e66ffbb03f5f86efbcf621ddc34df7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A0E9 6472 bytes
font_04_sfnt_off0002b34b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B34B 6084 bytes
font_05_sfnt_off0002c2e0.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2E0 3752 bytes

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