Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff61bdc2377fc396…

MALICIOUS

PDF

186.8 KB Created: 2015-08-08 11:35:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8e768548e97776ed7d69635171a5079e SHA-1: 4be8feb28c8abf88ad45031cfc534f1d3ca7a6a0 SHA-256: ff61bdc2377fc396e539ccad673caa8207c13cc0e890f45e43e0ff49408f93c4
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, http://botcraftman.ru/. This heuristic indicates the document is designed to lead the user to a harmful destination. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the specific lure. The primary threat is the embedded malicious URL.

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%BA%D0%B0%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%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://img1.liveinternet.ru/images/attach/c/6//4387/4387326_zhivotnuye_begayut_po_rabochemu_stolu.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384649_mediachance_photo_blend_3d_20_rus_portable__skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384240_domovenok_kuzya_igra_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024623.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24623 3556 bytes
font_01_sfnt_off000253a6.bin
f9f6549d2ead8841360ce74c6b5abf2c67a54cb27ec67ddca5fc5ac3880c9499		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253A6 15280 bytes
font_02_sfnt_off000282aa.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282AA 14468 bytes
font_03_sfnt_off0002ad5c.bin
22883f8af7c04024f05367f4c36811c9b40b3f3bc15b7ab3fa455d7ef0d82194		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD5C 6904 bytes
font_04_sfnt_off0002c14d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C14D 6084 bytes
font_05_sfnt_off0002d0e2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0E2 3752 bytes

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