Malicious PDF — malware analysis report

Static analysis result for SHA-256 29ce203ac9179ab2…

MALICIOUS

PDF

187.0 KB Created: 2015-07-23 20:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 84152f09478ee867d1185200d441dde4 SHA-1: f2643a44c45ad8bbb86cbbdd55fa3ba0e2302bbd SHA-256: 29ce203ac9179ab2c2517b0ebb90ac1fe6529c62793bb1b41c812fac9fb59227
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to botcraftman.ru. ClamAV also detected it as Pdf.Dropper.Agent. This indicates the PDF's primary function is to lure users to a malicious site. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

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-8786170-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8786170-0
  • 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=%D0%A7%D0%B8%D1%82%D0%B0%D1%82%D1%8C+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B8%D0%BD+%D0%BC%D1%83%D1%80%D0%B0%D0%B2%D1%8C%D0%B5%D0%B2+%D0%BD%D0%B5%D1%83%D1%87%D1%82%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9+3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184451_chak_palanik_ucelevshiy_skachat_fb2.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184409_programma_vremya_segodnyashniy_vuypusk_21_00_smotret_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184373_forma_m29_na_spisanie_materialov_obrazec.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247f1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247F1 3556 bytes
font_01_sfnt_off00025574.bin
0bc8dd2953b876629e2d69820347542a14bbf93a63bf3b6ba84e682738193c0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25574 14784 bytes
font_02_sfnt_off000283ac.bin
1a8b5f4b2063b9687495c50935b3b9f58ce47f3518ec3723e0b3dd00ba1c65a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283AC 14580 bytes
font_03_sfnt_off0002aeb4.bin
c0dcbfe12d7adc54eeef91d0e90abec04f01177b2241556116895c885bd9813d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEB4 6840 bytes
font_04_sfnt_off0002c266.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C266 6084 bytes
font_05_sfnt_off0002d1fb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1FB 3752 bytes

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