Malicious PDF — malware analysis report

Static analysis result for SHA-256 787e2df3c7069e7c…

MALICIOUS

PDF

184.5 KB Created: 2015-07-25 06:03:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1fe1ee69a2272a5d3571baaa16751b3f SHA-1: 388bb90df4769e9807a66c482cecc5992633bbd3 SHA-256: 787e2df3c7069e7c640ed580bc13a9c37d49c33ea8705efd5b8e1523897e89c6
90 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document is designed to redirect users to a malicious site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was not parsable text.

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%BE%D1%82%D1%87%D0%B5%D1%82+%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%B0+%D0%B7%D0%B0+%D1%81%D0%BC%D0%B5%D0%BD%D1%83+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193777_dead_space_skachat_torrent_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193823_manowar_skachat_vse_albomuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185102_skachat_mod_na_evro_trek_simulyator_2_raciya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB8 3556 bytes
font_01_sfnt_off00024d3b.bin
0f96a14fcdbdcee63a20e074e36db47edf50183b50a1f07996e5233cbbad4653		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D3B 14372 bytes
font_02_sfnt_off00027a05.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A05 14468 bytes
font_03_sfnt_off0002a4b7.bin
dfe0023d060c92d2ce47731c4e0affea55a16f55c34b57318e88f08889be9249		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4B7 6792 bytes
font_04_sfnt_off0002b854.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B854 6084 bytes
font_05_sfnt_off0002c7e9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7E9 3752 bytes

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