Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d687b102b5651f2…

MALICIOUS

PDF

184.6 KB Created: 2015-08-08 10:51:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3de89c13cdc3d66f405af22f4c6b9fdb SHA-1: bcc2a18065e872629ded377ca6e07acd8e76c263 SHA-256: 2d687b102b5651f2039dc80213d7a7681d0a8fe654c39e1b29013a98a3fd5398
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 malicious redirector link. The embedded URL 'http://botcraftman.ru/?lip&keyword=log+dog+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8' is the primary indicator of malicious intent. No scripts were extracted, but the presence of this link strongly suggests a phishing or malware delivery attempt.

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=log+dog+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+%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://img0.liveinternet.ru/images/attach/c/6//4386/4386361_skachat_mod_na_mayn_kraft_1_6_4_na_mashinuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384653_programma_dlya_golosov_vkontakte.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385317_htc_hd2_windows_mobile_7.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e2f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E2F 3556 bytes
font_01_sfnt_off00024bb2.bin
7610f4f87d1108f79f2f00e84141707c94be9ecff8440b68baa586c39ac906a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BB2 14948 bytes
font_02_sfnt_off00027a5b.bin
dd8bd50cf672573c680c711e412f0cd0a3cb4578aabecfc3b386d411c8f2fb87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A5B 14468 bytes
font_03_sfnt_off0002a50b.bin
c9cfee31bd5d0f7b43353f88d7441a30c5850294245af65ccb07443bad98bf70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A50B 6820 bytes
font_04_sfnt_off0002b8a6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8A6 6084 bytes
font_05_sfnt_off0002c83b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C83B 3752 bytes

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