Malicious PDF — malware analysis report

Static analysis result for SHA-256 056259ff6ecd0a9d…

MALICIOUS

PDF

186.2 KB Created: 2015-07-23 20:17:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f595849fa75d459f30dbba38bfda2d6b SHA-1: 810efc2c55c9cf29c57930febb67614e19140a1e SHA-256: 056259ff6ecd0a9d6706f03acf19dc6766eec8e246bb126047b69f8b4037f22b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure for phishing or malware delivery. No scripts were extracted, but the presence of a malicious link strongly suggests a phishing or drive-by download attempt.

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=%D1%83%D1%80%D0%BE%D0%BA%D0%B8+%D0%BF%D0%BE+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+5+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BB%D0%B0%D0%B4%D1%8B%D0%B6%D0%B5%D0%BD%D1%81%D0%BA%D0%B0%D1%8F+%D1%84%D0%B3%D0%BE%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184465_testovuye_zadaniya_po_russkomu_yazuyku_4_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184308_shemuy_vuyshivok_besplatno_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184287_shpargalki_po_algebre_egye_2015.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_off000244a9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244A9 3556 bytes
font_01_sfnt_off0002522c.bin
d2c6756bf9b9bfa6fb99b95fc018a3507b216d05722a6ece914a7d1631d3b0c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2522C 14268 bytes
font_02_sfnt_off00027ef8.bin
a73d7a74cd7c697c7568e134a4d8426e5a98df6b4c3094cef6a8341fbacc338e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EF8 14640 bytes
font_03_sfnt_off0002aa28.bin
5786e6ddfd37922d6d49c5408f632d2e350ac05534238a852156570c885508b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA28 7124 bytes
font_04_sfnt_off0002bee3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEE3 6084 bytes
font_05_sfnt_off0002ce78.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE78 3752 bytes

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