Malicious PDF — malware analysis report

Static analysis result for SHA-256 d43a996481be78e6…

MALICIOUS

PDF

183.9 KB Created: 2015-08-05 13:22:13 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 754cf18945668c3d755d2a8f5392ca28 SHA-1: ed8562bc3db7243a6683fbd5a66234f5651bb4d4 SHA-256: d43a996481be78e61519701d375ea3dccacb9b8ada1d78794307ca721d9c7ac1
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely used to direct users to a malicious website. No scripts were extracted from this sample, and the document body was not sufficiently readable to infer further intent.

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%A1%D0%B5%D1%80%D0%B2%D0%B5%D1%80%D0%B0+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+181+%D0%BF%D0%B8%D1%80%D0%B0%D1%82%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304443_skachat_leps_samuyy_luchshiy_den.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304444_aleksandr_makedonskiy_istoriya_zavoevaniya_mira_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304449_kamasutra_polnaya_versiya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023de6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DE6 3556 bytes
font_01_sfnt_off00024b69.bin
4ebc95bc83f6149ed3ca217c5a732eb6dea1d4f98f71f30cb0a9563c232c55f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B69 14260 bytes
font_02_sfnt_off00027823.bin
d52a48a751b8b1b7ee0e66091b0bcd71be61d5495dec22afc44e3b443be247e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27823 14468 bytes
font_03_sfnt_off0002a2d6.bin
9e6cb7cf0a9f83553e9aabc297aacd226f4a3a48d8d349985bfaab371aab9ff3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2D6 6620 bytes
font_04_sfnt_off0002b5bb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5BB 6084 bytes
font_05_sfnt_off0002c550.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C550 3752 bytes

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