Malicious PDF — malware analysis report

Static analysis result for SHA-256 722dbb4475edd0d0…

MALICIOUS

PDF

186.0 KB Created: 2015-07-23 21:21:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8364d2e40dc229f5ce57bad98d241e67 SHA-1: 24446ac8d7b39c8bcf42237ae354c2f859c753fc SHA-256: 722dbb4475edd0d00a684e09f5d181996097c1ea01a47aa7b620de2b264fe33e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to trick the user into navigating to a harmful resource.

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%BD%D1%82%D0%B5%D1%80%D0%B5%D1%81%D0%BD%D1%8B%D0%B5+%D0%B7%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D1%8F+%D0%BF%D0%BE+%D0%B0%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+%D0%B4%D0%BB%D1%8F+%D0%B4%D0%B5%D1%82%D0%B5%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184665_mts_970h_drayver.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184683_sims_3_antologiya_18_v_1_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183255_urok_informatiki_s_primeneniem_interaktivnoy_doski.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245d7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245D7 3556 bytes
font_01_sfnt_off0002535a.bin
c990b21387966a53689fa1e0a6316252daf9b967dcf2731d3f897ed05a4c05de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2535A 14208 bytes
font_02_sfnt_off00027fda.bin
d22647a20bdf7fdf39209c54252ae5535b39cfb889418d78aaf9459f7adfd96a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FDA 14468 bytes
font_03_sfnt_off0002aa8f.bin
f110041e778efaede22d223f7c5d28cb7ed7c24df1f372b5edc45551c5056ecc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA8F 6812 bytes
font_04_sfnt_off0002be26.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE26 6084 bytes
font_05_sfnt_off0002cdbb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDBB 3752 bytes

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