Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e93e428d15e24b…

MALICIOUS

PDF

183.7 KB Created: 2015-08-09 08:47:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b1fed2c58a5fe53adc6ac9ba93059606 SHA-1: 5fc024814e1add798b5396cff6fcd1bd2665513b SHA-256: d3e93e428d15e24b6f5a80c44747341482b81918b1a2d8b578cbb4397a5a5453
92 Risk Score

Malware Insights

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

The PDF file contains an embedded link that redirects to a known malicious domain, indicating a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, limiting the analysis of the exact payload, but the primary intent appears to be user redirection.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B8%D1%82+x-ray+152&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4391/4391381_kamera_213_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384208_forex_growth_bot_18_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4390/4390323_24_chasa_1_sezon_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023bc7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23BC7 3556 bytes
font_01_sfnt_off0002494a.bin
de6a21a72d0524ad59438822f02dd43b64f030b50e712e3d02f049460f0303be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2494A 15016 bytes
font_02_sfnt_off0002777f.bin
76e951d05b69427952931bb3b7adbe5fe5082c174b08c9a4f88cfbf9087091fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2777F 14708 bytes
font_03_sfnt_off0002a2f1.bin
b078c90facdb908dc90d889840de8d7c29c9bfc0b9751abc615cb54ef2ca339c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2F1 6356 bytes
font_04_sfnt_off0002b50d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B50D 6084 bytes
font_05_sfnt_off0002c4a2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4A2 3752 bytes

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