Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7b0406e669e427d…

MALICIOUS

PDF

185.8 KB Created: 2015-07-26 19:00:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ffb257c61418f90571005d2858fa6a78 SHA-1: 496b3d0cd36a9a740add619c714830c90cc93d73 SHA-256: a7b0406e669e427de780d688a59355a196bc9a6359cfbe8d235df216be26ed14
120 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, indicating it is designed to lure users to a harmful site. ClamAV also detected this file as Pdf.Dropper.Agent-8788872-0. The primary IOC is the malicious URL identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8788872-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8788872-0
  • 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%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D1%82%D0%B0+4+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196883_bassboosted_programma_na_kompyuter.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193952_nebesa_unikalnaya_igra_brilliantovuyy_ostrov_kak_nayti.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192551_skachat_chit_na_brilliantuy_dlya_pirate_storm.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244c1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244C1 3556 bytes
font_01_sfnt_off00025244.bin
70a10d3c32bb8b707d2e89286d87e6c7a638a6fcb62d58b7f9e7ae4b139faff3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25244 14748 bytes
font_02_sfnt_off00027ff8.bin
b1f36282af9aa6a98ea436000045631e255e77c5c4c06a2f6bf65f97d50aefee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FF8 14468 bytes
font_03_sfnt_off0002aaa5.bin
aaf5c74c83ca7e19b6a0f4578de55c722e0ae99c2c19862ab8456b2f65e42e13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAA5 6568 bytes
font_04_sfnt_off0002bd5e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD5E 6084 bytes
font_05_sfnt_off0002ccf3.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCF3 3752 bytes

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