Malicious PDF — malware analysis report

Static analysis result for SHA-256 edcabbc6d24b921e…

MALICIOUS

PDF

184.5 KB Created: 2015-08-08 13:08:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 96d376472907c984a785cb434b109f0a SHA-1: 9af1f7de19b7c8a55696c23d2b3ba444513f1304 SHA-256: edcabbc6d24b921e57d759413046b863753e84f77054a38ac0350e1fab5875ea
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. 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%B8%D1%81%D0%BF%D0%B0%D0%BD%D1%81%D0%BA%D0%B8%D0%B5+%D0%B7%D0%B2%D1%83%D0%BA%D0%B8+%D1%81+%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%BD%D0%BE%D1%88%D0%B5%D0%BD%D0%B8%D0%B5%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386045_agata_kristi_knigi_skachat_besplatno_fb2_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383688_magiya_veruy_klod_bristol_audiokniga_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383780_skachat_hosts_dlya_windows_7_64.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB9 3556 bytes
font_01_sfnt_off00024d3c.bin
58a2d7e49b7140a340cb194aac89eb1b7ea53dc506f083e2579d6ffed356b0a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D3C 14728 bytes
font_02_sfnt_off00027b2d.bin
abe862a2177d2b81657a6724b9152f4b6a6b894db0888f7935ceab88f594b18c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B2D 14520 bytes
font_03_sfnt_off0002a5ff.bin
5b350c6056449fe0a3bf9a0429e66f1a074b505742b03f8856611fefd742cc6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5FF 6428 bytes
font_04_sfnt_off0002b834.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B834 6084 bytes
font_05_sfnt_off0002c7c9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7C9 3752 bytes

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