Malicious PDF — malware analysis report

Static analysis result for SHA-256 6daf748a588def14…

MALICIOUS

PDF

183.5 KB Created: 2015-08-05 17:46:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9924b46332eeb0b1178a921d0f231875 SHA-1: 3d582b46cadc1a1bbe5aec261f40eb61ea9b8d6b SHA-256: 6daf748a588def14a7548be724b39e7f1e83779355f7518aee36fbdbb5a0253f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector domain, botcraftman.ru. This suggests the document is designed to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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%BA%D0%BB%D1%8E%D1%87+%D0%BD%D0%B0+%D0%B2%D0%BE%D1%80%D0%B4+2010&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305679_skachat_derevnya_durakov_vse_serii.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305739_new_millennium_english_10_klass_uchebnik_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304543_skachat_vizio_2007_besplatno_na_russkom_cherez_torrent.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_off00023cf7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23CF7 3556 bytes
font_01_sfnt_off00024a7a.bin
873d387c1259741a5d393a9d308b8ab7f7662f154e6204bc84da0aefb87bc267		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A7A 14420 bytes
font_02_sfnt_off0002777f.bin
7de87fc7065c32a6f3ae50aa8c7139473932ce6fa7addaa3cbbd6910e8da96ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2777F 14468 bytes
font_03_sfnt_off0002a231.bin
71bc75b04464df44aec5e9a73aa0bda004b56d36b0bad93321a23619577d60db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A231 6412 bytes
font_04_sfnt_off0002b458.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B458 6084 bytes
font_05_sfnt_off0002c3ed.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3ED 3752 bytes

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