Malicious PDF — malware analysis report

Static analysis result for SHA-256 60ada818e8c706b8…

MALICIOUS

PDF

186.6 KB Created: 2015-08-05 21:30:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cc312ac2b421d2bf3cbe019df17ef3cc SHA-1: a288790620d6e0e42f1ae4ebb1fab2f0ef9d2791 SHA-256: 60ada818e8c706b8d9f7fddec568804e0dd20b50f9b2d3d7a6e698dab51bfe12
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that advertise cracked software and a direct link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the embedded URLs suggest a lure for potentially unwanted software or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%B5%D0%B4%D0%B8%D0%B0+%D0%B3%D0%B5%D1%82+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B8%D0%BD%D0%B4%D0%BE%D0%B2%D1%81+8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306760_smuyslovuye_gallyucinacii_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4307/4307443_zvezdnaya_bolezn_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306197_dj_alligator_diskografiya_skachat_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_off0002459f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2459F 3556 bytes
font_01_sfnt_off00025322.bin
d28dc5ad2cdea4b049a5cbd5e74c4b4e4fab615133d74cd26e4cf7e397b75ada		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25322 14692 bytes
font_02_sfnt_off00028142.bin
d5d8a66c54d88b1fd3e9751d1946ec7768e13949c664bd33b207189c6d131484		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28142 14468 bytes
font_03_sfnt_off0002abf5.bin
4d2ae3d76034a4dde51616cbb3db7eb174d6ef57264a974a3a616fff0d1125ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABF5 7068 bytes
font_04_sfnt_off0002c077.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C077 6084 bytes
font_05_sfnt_off0002d00c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D00C 3752 bytes

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