Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1d8b1b23009a489…

MALICIOUS

PDF

184.7 KB Created: 2015-08-05 17:18:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1102a25d8e123aa56074c7877f8d5f39 SHA-1: 6ea8c8fe158356c01126751aa97e3f757c5bcb82 SHA-256: b1d8b1b23009a4894bdaa8ef6487120ac17ae8daa14f95ec97a7f328e3ef1e8a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector at botcraftman.ru. This indicates the document is likely designed to lure users to a malicious website. 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=gta+vice+city+%D1%87%D1%83%D0%B6%D0%BE%D0%B9+%D0%BF%D1%80%D0%BE%D1%82%D0%B8%D0%B2+%D1%85%D0%B8%D1%89%D0%BD%D0%B8%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304443_skachat_leps_samuyy_luchshiy_den.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304677_opera_15_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306528_skachat_film_hraniteli.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e53.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E53 3556 bytes
font_01_sfnt_off00024bd6.bin
d656c04e8c5e0b5e3740a05302068a14be4e9412881d38c9ab60445924e40491		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BD6 14308 bytes
font_02_sfnt_off0002782e.bin
e29e728fe29d0359efd640fe594c9c3079a646eba987d3ab619694fb3cd4f2c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2782E 14844 bytes
font_03_sfnt_off0002a425.bin
bde9b6237be8e8fcb72d4eb3c872c0d150781a9c73b049b2c13e1b68ae385531		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A425 7196 bytes
font_04_sfnt_off0002b8f8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8F8 6084 bytes
font_05_sfnt_off0002c88d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C88D 3752 bytes

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