Malicious PDF — malware analysis report

Static analysis result for SHA-256 de5930d33a2c7f25…

MALICIOUS

PDF

365.8 KB Created: 2015-08-22 09:29:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2ac64c5becf7833c89bc6898c23294a9 SHA-1: d678c5566ade12d00e5b7319ec16aadd5f0703b1 SHA-256: de5930d33a2c7f2527ca2b64d35ba4d3cb4ccc989c4160be75f15b963889e948
92 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link strongly suggests the document is designed to lure users to a harmful website, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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+%D0%BE%D1%80%D0%B5%D0%BB+%D0%B8+%D1%80%D0%B5%D1%88%D0%BA%D0%B0+4+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674546_yuriy_antonov_diskografiya_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674792_zhivuye_oboi_terminator_dlya_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674836_scenariy_zakruytiya_letnego_ozdorovitelnogo_lagerya.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057068.bin
c247e5c41a841b970147f9da30148d4bc7237e0f8b0b0b1d98c9dc3b228e777a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57068 7752 bytes
font_01_sfnt_off000586dd.bin
78de805a2f278570c14e2b5fee2b444c4bfd4ffb0c889b79adb382ec2d0de488		 pdf-font-stream PDF embedded font (sfnt) at offset 0x586DD 15388 bytes

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