Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee27d6229c65754f…

MALICIOUS

PDF

185.3 KB Created: 2015-07-23 21:26:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3ce6d3d9b82579108471f6b4a937049f SHA-1: a4db55d0b0f981ac561f76415e1a986c7d77d517 SHA-256: ee27d6229c65754f62f63dc404c31893b68d1bed27ecec1438cc057b9cba890b
120 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector by heuristics, pointing to the URL http://botcraftman.ru/. This indicates the document's primary purpose is to lure the user to a potentially harmful site. ClamAV also detected the file as Pdf.Dropper.Agent-8790255-0, further supporting its malicious nature. No scripts were extracted, and the document body was unreadable, so the rationale is based solely on the malicious link.

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-8790255-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8790255-0
  • 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=Toyota+caldina+1994+%D1%80%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE+%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//4184/4184830_primeruy_prezentaciy_v_powerpoint.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184973_generator_klyuchey_dlya_ofisa_2010_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184672_epochta_mailer_skachat_besplatno_c_klyuchom.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240d5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240D5 3556 bytes
font_01_sfnt_off00024e58.bin
331bfab96c14ba6470e2e85a05164b449b7252223c4e82aed3c905f2a4b32ac0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E58 14508 bytes
font_02_sfnt_off00027b19.bin
e959df6bdf8c588edaaf5c4dd7a1ecebaca163bcee150f33ffa8c9e565b37cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B19 14576 bytes
font_03_sfnt_off0002a627.bin
0096f4658717e9655fd253a2085c700595dfbdad699f0acdae27535449e444e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A627 7260 bytes
font_04_sfnt_off0002bb69.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB69 6084 bytes
font_05_sfnt_off0002cafe.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAFE 3752 bytes

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