Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad39ae5f115796b5…

MALICIOUS

PDF

351.5 KB Created: 2015-08-26 09:58:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4c0b986b17c47533fa3a4a96da109a77 SHA-1: 66ef491ffd779a8021b2bc63f988d0e68e840bc8 SHA-256: ad39ae5f115796b5d7470e5f6130676a99a3272a40e956cd1d7ef57518609261
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/, which is indicative of a phishing or malware distribution attempt. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the malicious link is a strong indicator of malicious intent. No scripts were extracted from this sample.

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%B0%D0%BC%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D0%B8+%D0%BA%D0%BE%D0%BD%D1%82%D1%80%D0%BE%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D1%8B+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D0%BF%D0%B5%D1%82%D0%B5%D1%80%D1%81%D0%BE%D0%BD4+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%81+%D1%80%D0%B5%D1%88%D0%B5%D0%BD%D0%B8%D0%B5%D0%BC&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751723_skachat__yelektronnuyy__tabel_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752190_nikolaev__shkola__igruy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751644_madzhong__pokemonuy__skachat_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053e62.bin
efaf8c912b19264e6a4d135d063ee24cf5ee23d4827ca8fbaed2efd33ac96c42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53E62 7760 bytes
font_01_sfnt_off000554d0.bin
82de55bb2c3e62337088b096601c2e711392c5d59e5541acf81a644698babe41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x554D0 13088 bytes

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