Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7fe3bfb3b37d707…

MALICIOUS

PDF

184.1 KB Created: 2015-07-23 23:55:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 806d0a45280b37ad98c113a0b902365d SHA-1: 1e6576d6fc2bfdc3011ee1c7fa597d3101f8d40d SHA-256: c7fe3bfb3b37d70733afda86a997795d828d480830d3d42404bad7b1aa23f4d6
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/?lip&keyword=vzlomster+%D0%BA%D0%BE%D0%B4+%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%86%D0%B8%D0%B8&charset=utf-8` is the primary indicator of malicious intent. This suggests the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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=vzlomster+%D0%BA%D0%BE%D0%B4+%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%86%D0%B8%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185021_rabochaya_programma_po_literature_7_klass_kurdyumova_68_chasov.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184647_skachat_albom_alekseya_bryanceva_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184727_skachat_klyuch_k_igre_proklyatie_oborotney.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a3c1.bin
5f2af4553cae4106b7cd5e2d8e11b05349ba3b7e6bb701a4f5d0a6205dceee89		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A3C1 6596 bytes
font_00_sfnt_off00023d60.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D60 3556 bytes
font_01_sfnt_off00024ae3.bin
b9de6d9ea7996c9feb645877b93d88fd22aab532aa60e037c048b1abb043c78a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AE3 14284 bytes
font_02_sfnt_off000277d1.bin
3d69f2137584c51c16c951aa1e8b82bc07e4ed2e0832ecfb1661a08148fc3f7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x277D1 14848 bytes
font_04_sfnt_off0002b6ab.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6AB 6084 bytes
font_05_sfnt_off0002c640.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C640 3752 bytes

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