Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec8220c81bdeac4f…

MALICIOUS

PDF

343.5 KB Created: 2015-08-25 22:37:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ffea3953a84ece9ef649fedc8851e2f1 SHA-1: 6a8ad9fd48c8e0e523b350c1115147192cf7f6fd SHA-256: ec8220c81bdeac4f5732a97c67d0100a84d4020a99d375f689f7faa95f911470
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, http://botcraftman.ru/, which is a strong indicator of malicious intent. The embedded URL is likely used to lure the user to a site that hosts further malicious content or phishing forms. No scripts were extracted, limiting the analysis of specific behaviors.

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=Toshiba+ac100+117+%D0%BF%D1%80%D0%BE%D1%88%D0%B8%D0%B2%D0%BA%D0%B0&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741010_lite__modification__71_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740708_plug__dlya__kultivatora_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741084_devushki__zastavlyayut__pit_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000515cf.bin
fad9153fe2b6f47f2903d2f2138202dc81a6c845454900d741e62795c51defb3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x515CF 8392 bytes
font_01_sfnt_off00052ce7.bin
0b79cf33eb6f05c19a32dc34135d8a080c57b1d5865bfa5692deea955d2165a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52CE7 16060 bytes

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