Malicious PDF — malware analysis report

Static analysis result for SHA-256 9916db6f87f327f3…

MALICIOUS

PDF

376.0 KB Created: 2015-08-26 11:29:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 7a9c9660a0ff539b1549d788c1dea139 SHA-1: 6ab57035994fd993b83e0ed781d739e07c0cd788 SHA-256: 9916db6f87f327f32dd9dfb3067279bbc84aa8f5543f640cdf87b0b7d3f9143f
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This heuristic indicates the document is designed to lure users to a potentially harmful site. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the malicious URL 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=gamecih+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+422&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752570_demoversiya__egye__po_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751710_pokazatelnuye__uravneniya_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4753/4753191_skachat__zapolnennuyy__buhgalterskiy_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005991c.bin
b86936306a32f42aaf80449e4edfbb5ab5737740151ebb93453cb1f73bf7ad17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5991C 9640 bytes
font_01_sfnt_off0005b3e8.bin
bb0118de4f78c7cc3a344310adf99e02987471f43bf32b4150950a2c29f83949		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B3E8 14500 bytes

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