Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b2ae72a3ca1a4e4…

MALICIOUS

PDF

357.6 KB Created: 2015-08-27 23:46:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 495a6c4954ae210bf4f66e0d845754bd SHA-1: 5b3ffd974da54f154441d84e65ffefbb000cec4a SHA-256: 8b2ae72a3ca1a4e4036635d8cd9c144440c44a6ffc696033952890e82ff6b12b
60 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector due to an embedded link. This link, http://botcraftman.ru/..., points to known malicious infrastructure. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the malicious URL is sufficient evidence 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%BE%D0%B2%D0%B5%D1%82%D1%81%D0%BA%D0%B8%D0%B5+%D0%B2%D0%BE%D0%B5%D0%BD%D0%BD%D1%8B%D0%B5+%D0%BA%D0%B0%D1%80%D1%82%D1%8B+pro+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787927_kak__razblokirovat__sim_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787983_prays__list__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787917_domashnee__zadanie__solfedzhio_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055210.bin
98fa47b8631a3c73f6d714b0529ad60c3a88f58691bd009a549088466d3a2318		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55210 8444 bytes
font_01_sfnt_off000569bc.bin
fb1e506fb7fa371215faa1fb125cde38948960f3f66023fd6efdc1e470003e7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x569BC 14368 bytes

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