Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a7e63383711d870…

MALICIOUS

PDF

185.3 KB Created: 2015-07-24 04:23:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cd44b6fa20d0922c80b98f1c0f45a73e SHA-1: 941c6ee8c8201a34be65a86f256bdfed5dac747c SHA-256: 9a7e63383711d870e540cee38da637dcd5c961b2170cabecca7c57935b89d892
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, botcraftman.ru. This indicates the document is intended to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the presence of the 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=drift+city+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184668_ati_mobility_radeon_hd_4570_drayver_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185306_nachalnik_otdela_prodazh_trudovoy_dogovor.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185525_thx_trustudio_pro_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024023.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24023 3556 bytes
font_01_sfnt_off00024da6.bin
92bdb9fbd6c261efcb3d2aca19bf6886028caca98f62c2dc0f7f3d80c1c7ccc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DA6 15348 bytes
font_02_sfnt_off00027cb2.bin
b06e22c47ef9395deda8a23b33443e439b6a5cdedbc315ebf18a09ee31afe7d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CB2 14808 bytes
font_03_sfnt_off0002a881.bin
3a707e4313b94c569f5688e4c68d1e47adfac94c3f0895a2cf8de5a069fc48e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A881 6624 bytes
font_04_sfnt_off0002bb84.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB84 6084 bytes
font_05_sfnt_off0002cb19.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB19 3752 bytes

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