Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb7d65682ebfc178…

MALICIOUS

PDF

185.2 KB Created: 2015-07-24 12:54:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a1ae1c7e663116ae6798efeac9ca57df SHA-1: 76803cee728c334762bed505662eadeffc76e265 SHA-256: bb7d65682ebfc17834b0465261c2e2e4efff1bb6aba55ba42b4effa613f9817e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is http://botcraftman.ru/. This suggests the document's purpose is to lure the user to this malicious site, likely for phishing or to download further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B8%D0%BC%D1%81+2+%D0%BF%D0%B5%D1%80%D0%B5%D0%B5%D0%B7%D0%B4+%D0%B2+%D0%BA%D0%B2%D0%B0%D1%80%D1%82%D0%B8%D1%80%D1%83+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188746_kak_legko_vzlomat_stranicu_v_kontakte_bez_pomoschi_programm.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191286_skachat_need_for_speed_rivals_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187925_scenariy_korporativa_na_prirode_tematicheskiy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024183.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24183 3556 bytes
font_01_sfnt_off00024f06.bin
525ca271ce52db6c6c8d96f978f523c28dcbef691264666138182e4ff460a1ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F06 14848 bytes
font_02_sfnt_off00027cee.bin
a8c28ff59a65b28ee09e50dd1c7720660447add6a998d01502f877442c6e77ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CEE 14468 bytes
font_03_sfnt_off0002a7a0.bin
386023f84a9a8d20e565d0b96b9cffad54bdfa88b04db94273be122478f3933c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7A0 6688 bytes
font_04_sfnt_off0002baeb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAEB 6084 bytes
font_05_sfnt_off0002ca80.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA80 3752 bytes

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