Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e7a1838929f6b8…

MALICIOUS

PDF

350.8 KB Created: 2015-08-21 11:01:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: eaa0d3822e222f8ff90f912e4a25d90b SHA-1: 8bd3e62e5066614ac16d4e92d85b6af376bb669a SHA-256: 09e7a1838929f6b8f9e5db491aa8b322185d389a5747169b0a77d9a2fc010fb9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that points to a known malicious redirector. This suggests the document is designed to lure the user to a malicious website, likely for phishing or to download further malware. No scripts were extracted, but the presence of the malicious link is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%9A%D1%80%D1%83%D0%B3%D0%BE%D0%BB%D0%B5%D1%82+%D1%87%D0%B8%D1%81%D0%BB%D0%BE%D0%B1%D0%BE%D0%B3%D0%B0+%D0%B0+%D0%B0+%D0%B6%D0%B0%D1%80%D0%BE%D0%B2%D0%B0+1888+%D0%B3+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4655/4655028_avtobus_moskvasmolensk_raspisanie_belorusskiy_vokzal_cena.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4655/4655672_programma_dlya_sozdaniya_trap_muzuyki.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654862_yellai_pismo_tekst_pesni.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052d35.bin
643347d651bb626dff3454c76132cb57ecfe31b869b24f22e62a78b56c240ac5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52D35 8952 bytes
font_01_sfnt_off0005477c.bin
c1175d4fd62b9fe6253d8a8fdc241eaee94d7134efba5a03a8fc73ddf691ab17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5477C 17056 bytes

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