Malicious PDF — malware analysis report

Static analysis result for SHA-256 27bbb8dfc48ec5e5…

MALICIOUS

PDF

186.4 KB Created: 2015-07-24 19:26:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5fd503e2c2a2989650625faa9780e14f SHA-1: 20eb8e96de5941dd5d230e6f90c89c25960299e6 SHA-256: 27bbb8dfc48ec5e5b558dfa6bf98dce065e3d1b9fc6c4bed68cfff1dfb128201
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 indicates the document is likely intended to lure users to a malicious site for phishing or malware download. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific 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=brutus+aet2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185386_generator_sluchaynuyh_chisel_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193086_mein_kampf_na_russkom_skachat_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191532_skachat_licenzionnuyy_klyuch_dlya_maynkraft.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aa6c.bin
89261d8dc6781a14bd8ff6c9d863dd01d803ca1cee64b0575b43901e29175b27		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AA6C 7316 bytes
font_00_sfnt_off000243b6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243B6 3556 bytes
font_01_sfnt_off00025139.bin
bd65ac151bc42d0a36e63434fec7219df1f29ffd5693ead9eb301a48b97daf59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25139 15100 bytes
font_02_sfnt_off00027f5c.bin
e10b469a262336e8b18389b6a67fe7f1f272eb9995a646653059411b2b136f9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F5C 14576 bytes
font_04_sfnt_off0002bfe8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFE8 6084 bytes
font_05_sfnt_off0002cf7d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF7D 3752 bytes

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