Malicious PDF — malware analysis report

Static analysis result for SHA-256 5212d137a77f66d2…

MALICIOUS

PDF

185.4 KB Created: 2015-08-08 10:40:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7e151ce5ed4842e4b340ac7a8fcc9d27 SHA-1: ae3420dc04375317d261490285e2734129df291f SHA-256: 5212d137a77f66d2f636693ea185672638d7cddfe3e1903aefb5e0298daf6ffe
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 a known malicious redirector. This suggests the document is designed to lure users to a malicious website. The redirector URL is http://botcraftman.ru/?lip&keyword=%D0%B4%D0%B5%D0%B7%D0%B8%D1%81%D0%BA%D1%80%D0%B0%D0%B1+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F&charset=utf-8. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%B4%D0%B5%D0%B7%D0%B8%D1%81%D0%BA%D1%80%D0%B0%D0%B1+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386022_adobe_pagemaker_70_rus_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383837_skachat_programmu_dlya_diagnostiki_avtomobiley.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384594_angliyskiy_yazuyk_dlya_fizkulturnuyh_specialnostey.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024173.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24173 3556 bytes
font_01_sfnt_off00024ef6.bin
ee5aeb881568ed8b0f7c9e5cabea3fe8d91a69c201c20c020dc8f26ac2db0d20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EF6 15336 bytes
font_02_sfnt_off00027e86.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E86 14468 bytes
font_03_sfnt_off0002a939.bin
41b164dfa55dc74f0b5d5ec97e39d8b57003bd8353f861a0c7ec4f02e7bb414c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A939 6480 bytes
font_04_sfnt_off0002bba1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBA1 6084 bytes
font_05_sfnt_off0002cb36.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB36 3752 bytes

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