Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb0e503a1239b63b…

MALICIOUS

PDF

183.8 KB Created: 2015-07-25 15:29:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a59c57d2311653b86de5a4cc0384faa5 SHA-1: fdd15ff162da10e59b6e571216cbc113a9b01bb4 SHA-256: bb0e503a1239b63bb704ce2132c6450673a6ea064fac1700968c171a1c4f7acc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was not parsable.

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=%D0%B8%D0%BA%D0%BE%D0%BD%D0%BA%D0%B8+%D0%B4%D0%BB%D1%8F+1%D1%81+82+%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//4202/4202548_skachat_nero_8_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199368_skachat_cherez_torrent_dnevniki_vampira_4_sezon.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183178_kuryatnik_proekt.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e08.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E08 3556 bytes
font_01_sfnt_off00024b8b.bin
a5d8dd289c85f3da9fed7f72a8a752962b8a3419264d0b8270671d5ef422354c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B8B 14300 bytes
font_02_sfnt_off0002783c.bin
79725a4249144e38f5af7e473b6680476ae099fccf290a57b4941961eabe2a02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2783C 14468 bytes
font_03_sfnt_off0002a2f4.bin
fb7f8ba8e7976ed52c110fe2167cc868b8141d4b82a4fa16ab6f474101b971f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2F4 6508 bytes
font_04_sfnt_off0002b58a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B58A 6084 bytes
font_05_sfnt_off0002c51f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C51F 3752 bytes

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