Malicious PDF — malware analysis report

Static analysis result for SHA-256 f26ee064516bdaeb…

MALICIOUS

PDF

186.3 KB Created: 2015-08-04 09:09:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 976f1d37889325f63fe8e18b129f17e7 SHA-1: 0ea96db965888f1239e85a0f101d74619c1e35ad SHA-256: f26ee064516bdaeb06dbdd22c63fcc188616246239a5e4949f2e39d25e41594c
90 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 strongly indicated maliciousness. The embedded URL, http://botcraftman.ru/, is the primary indicator of malicious intent, likely serving as a gateway to a phishing or malware distribution site. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%BB%D1%83%D0%BA%D0%B0+%D1%81%D0%B2%D1%8F%D1%82%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D1%85%D0%B8%D1%80%D1%83%D1%80%D0%B3+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+2015+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4236/4236742_skachat_oboi_na_rabochiy_stol_obnazhennuye_devushki.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4231/4231980_tabletka_dlya_sims_4_3dm.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4271/4271838_css_v86_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000242c3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242C3 3556 bytes
font_01_sfnt_off00025046.bin
f098d710221fca9362eece41ff515d7487f18261244a46f51162980f2d2c44be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25046 14820 bytes
font_02_sfnt_off00027ee7.bin
3d3ff41502177b7430f286da2a146d14efb7295ad45279d374101ce25fd62fa3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EE7 14708 bytes
font_03_sfnt_off0002aa5c.bin
1ee2eb2628f696f4c86d448cb9ce6bad7ffc861773fcb926e90efe20ad1ea6c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA5C 7152 bytes
font_04_sfnt_off0002bf58.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF58 6084 bytes
font_05_sfnt_off0002ceed.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEED 3752 bytes

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