Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f00d6a4eaee7d48…

MALICIOUS

PDF

187.0 KB Created: 2015-07-26 18:42:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e1185f7d5a0c3c55dd71133e0af0d970 SHA-1: 86d0669506f694fe2159b721f5c37f3a05daa885 SHA-256: 2f00d6a4eaee7d48f187d9b5d6c79f304ba7d3e20feaabb077677e01fbf06263
92 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure for further malicious activity. No scripts were extracted, and the document body was truncated, limiting further analysis of the delivery mechanism.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B2%D0%B8%D0%BD%D0%B4%D0%BE%D0%B2%D1%81+%D1%85%D1%80+%D0%B7%D0%B2%D0%B5%D1%80%D1%8C+2013+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+%D1%84%D0%BB%D0%B5%D1%88%D0%BA%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4207/4207212_4_kartinki_1_slovo_skachat_na_telefon_java.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192662_skachat_launcher_maynkraft_s_modom_industrial_kraft_2.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192183_skachat_filmuy_besplatno_velikolepnuyy_vek_3_sezon.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024679.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24679 3556 bytes
font_01_sfnt_off000253fc.bin
0535e3da6abef39970c2af6b346c163a11a486ef2761a4bb04495bd2aa9c4a25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253FC 14744 bytes
font_02_sfnt_off0002818e.bin
2510d80472215ba7606890c1527b78335b3f9cf75ad050a5bd5b5aafe8e02119		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2818E 14588 bytes
font_03_sfnt_off0002ac9a.bin
88dcdbab6b94a03a38d56cc28e1e4f75c43ed5ed18d0404f51c82512286622e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC9A 7328 bytes
font_04_sfnt_off0002c233.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C233 6084 bytes
font_05_sfnt_off0002d1c8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1C8 3752 bytes

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