Malicious PDF — malware analysis report

Static analysis result for SHA-256 00b16d52cf0a611d…

MALICIOUS

PDF

186.3 KB Created: 2015-08-08 14:08:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7379da4148f625b6ad1d6f45c4347080 SHA-1: 3be67c3c7637f5f049f4e59637fd434bb0d9ba61 SHA-256: 00b16d52cf0a611d1fa56581150b311785705f83b1d631b94a234b8b64d53569
92 Risk Score

Malware Insights

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

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 the primary indicator of malicious intent. No scripts were extracted, and the document body was not parsable text, thus the attack pattern is inferred from the malicious link.

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%B3%D1%80%D0%B0%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+virtually+date+ariane+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389122_skachat_obnovlenie_eset_smart_security_4_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386752_egye_po_russkomu_yazuyku_2015_cuybulko_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386597_basta_novuyy_albom_2015_slushat_besplatno.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_off00024248.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24248 3556 bytes
font_01_sfnt_off00024fcb.bin
0a943c6a1cef169489e3025846f8ceca8a0eeb45008ca1acd2f2c15ec1f40e0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FCB 14860 bytes
font_02_sfnt_off00027d9b.bin
8e6d5f8fcdc29e0aa055e0b72362131cc418d727c6b5b60df4b93818f6108c83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D9B 14628 bytes
font_03_sfnt_off0002a8e0.bin
84f1632494c7332d584eae3d40eb20e17ddddd15a4128e2620172106bb520709		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8E0 7632 bytes
font_04_sfnt_off0002bf64.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF64 6084 bytes
font_05_sfnt_off0002cef9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEF9 3752 bytes

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