Malicious PDF — malware analysis report

Static analysis result for SHA-256 6803746dee984618…

MALICIOUS

PDF

184.0 KB Created: 2015-08-05 17:49:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 95cadb5f564c84fcaeba1c1fcadf9d87 SHA-1: 28fe6bf036cce69f5ab4bd016a8ef88286960c6e SHA-256: 6803746dee9846189c24cc517e577bbe46d02918303096da5607de29a0ec1b60
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL flagged as a malicious redirector. This indicates the document's primary purpose is to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the presence of a malicious link 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=%D1%80%D0%B0%D1%81%D1%81%D0%BA%D0%B0%D0%B7+%D0%BD%D0%B0+%D0%B4%D0%BD%D0%B5+%D0%BA%D1%80%D0%B0%D1%82%D0%BA%D0%BE%D0%B5+%D1%81%D0%BE%D0%B4%D0%B5%D1%80%D0%B6%D0%B0%D0%BD%D0%B8%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305652_bubuta_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306051_kak_ustanovit_mod_na_sims_3.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306221_programma_dlya_ucheta_klientov.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_off00023f7e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F7E 3556 bytes
font_01_sfnt_off00024d01.bin
21e2790008aa78e6c05202a0361754188a6400c4ffaa8633485e945a61614333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D01 14140 bytes
font_02_sfnt_off00027966.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27966 14468 bytes
font_03_sfnt_off0002a415.bin
70777aed5877e1d467f16d9ee708dcae82a9d0b7edfdf0d9aee2d9e9dfbe2034		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A415 6432 bytes
font_04_sfnt_off0002b64c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B64C 6084 bytes
font_05_sfnt_off0002c5e1.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5E1 3752 bytes

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