Malicious PDF — malware analysis report

Static analysis result for SHA-256 efc627f81da62d4f…

MALICIOUS

PDF

186.5 KB Created: 2015-08-05 13:21:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 769d9e05dcd0f7951346cfddac21afac SHA-1: 4400e4d181f594c9be06dcfbd221deb5063fd4a0 SHA-256: efc627f81da62d4f9bc9bc3d8e8b3f2a6948600216ad4f5e2f999cf67898ac06
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 part of a phishing or malware distribution chain. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B4%D0%BB%D1%8F+%D1%81%D1%8A%D0%B5%D0%BC%D0%BA%D0%B8+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE+%D1%81+%D0%B2%D0%B5%D0%B1%D0%BA%D0%B0%D0%BC%D0%B5%D1%80%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304440_skachat_zmeyku_na_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304436_obrazec_zayavleniya_na_ezhegodnuyy_otpusk.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304431_payday_2_skachat_torrent_na_russkom_ot_mehanikov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024608.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24608 3556 bytes
font_01_sfnt_off0002538b.bin
7dbfad3301f23f007c64ae80aa1dffaca88f1141057cb590bc3d5accef97abfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2538B 14492 bytes
font_02_sfnt_off0002802d.bin
5b3cf63a0d8cff30c7c1fe81362aa6427a5cc2af4b779e152fb0eaafdf76e0ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2802D 14600 bytes
font_03_sfnt_off0002ab13.bin
7418f91a55df2b4a472b7438fffe3a260c4cb1d9a9d8f3e78e1acc723e1cb10f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB13 7204 bytes
font_04_sfnt_off0002c012.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C012 6084 bytes
font_05_sfnt_off0002cfa7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFA7 3752 bytes

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