Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5408712faf16528…

MALICIOUS

PDF

366.1 KB Created: 2015-08-26 18:35:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4722b3521c1efede1ea360831444e918 SHA-1: cbe442139e01544c813eb1dc911284e66a6d09b1 SHA-256: e5408712faf16528a56898bc3c14d4d060fb1ac8caf3508ab7eac8fb26643a1a
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is indicative of a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Dropper.Agent' further supports this, suggesting the PDF is designed to drop or redirect to malicious content. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8805126-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8805126-0
  • 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+4+%D1%81%D0%B5%D1%80%D0%B8%D1%8E+%D1%87%D0%B5%D1%80%D0%BD%D0%BE%D0%B1%D1%8B%D0%BB%D1%8C+%D0%B7%D0%BE%D0%BD%D0%B0+%D0%BE%D1%82%D1%87%D1%83%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762113_kogda__budut__izvestnuy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762114_skachat__programmu__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762110_word__dlya__android_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056fb1.bin
28279b863ac3e3b65fda91897c62d521ad1c82bd79a417d873fa39e956ea3e1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56FB1 8448 bytes
font_01_sfnt_off00058868.bin
d498c78a886766dc1aa53a11eb531cfd1e768c4059aeddfc89b8688c6bf20e82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58868 15748 bytes

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