Malicious PDF — malware analysis report

Static analysis result for SHA-256 e900a0179a81923c…

MALICIOUS

PDF

357.7 KB Created: 2015-08-26 10:09:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5b1fad0f3a9281969bcef48035f46a0c SHA-1: a773a71002913c1560258a4a59e926e11f6ff259 SHA-256: e900a0179a81923c1e3f118315113ef0eab4c950b75bb05bfe276c8e21b92a6a
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/, which is a strong indicator of malicious intent. The embedded URL is likely part of a phishing or malware distribution scheme. No scripts were extracted from this sample, and the document body was heavily truncated and unreadable.

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+microsoft+word+2010+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752009_skachat__besplatno__istoricheskie_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752106_skachat__knigi__besplatno_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752321_tureckoe__kino__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054dde.bin
0c25450addf726b492a4c5874d244a1423c1703d9fe8accd757c7085b7b4d517		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54DDE 9528 bytes
font_01_sfnt_off00056965.bin
85be0fc933a1a0aacf8a23b974a430c950513b92cf6b93fa774597fe5b0c7fa1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56965 14664 bytes

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