Malicious PDF — malware analysis report

Static analysis result for SHA-256 09d98a475f9f34e8…

MALICIOUS

PDF

187.1 KB Created: 2015-07-24 01:34:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 235f58867fbd6d2412ca30f5e4d1d449 SHA-1: 92805de0d50fdbb6d23b268984e69bc7c094f734 SHA-256: 09d98a475f9f34e8e97b278577a5bc1d3fc1353a4ff1e0a1c2820b3d2e152b7c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent. This suggests the document is designed to lure users to a malicious site, likely for phishing or malware distribution.

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+%D0%B2%D0%B8%D0%BD%D0%B4%D0%BE%D0%B2%D1%81+%D1%85%D1%80+%D1%87%D0%B8%D0%BF+2015+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%81+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0%D0%BC%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185060_gta_5_online_skachat_na_pc.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185445_razdacha_interneta_s_noutbuka_po_wifi_windows_7.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185293_1s_zarplata_i_upravlenie_personalom_82_skachat_besplatno_torrent.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245b5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245B5 3556 bytes
font_01_sfnt_off00025338.bin
cfc5a4be7cc2058c793b6839e50c8af4f8f0c5205b5faee2514c263c0c3fb8b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25338 15128 bytes
font_02_sfnt_off00028223.bin
4ccd24c04aba4038d2a352279965d2c0bd841adbe55b05d67d7192107527a4a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28223 14708 bytes
font_03_sfnt_off0002ad99.bin
dbd3383ec10461c5e67ff76033bc4934349d79ee0c4c53e6c10ba75d7542ca81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD99 7180 bytes
font_04_sfnt_off0002c29a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C29A 6084 bytes
font_05_sfnt_off0002d22f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D22F 3752 bytes

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