Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea66a25a68732f32…

MALICIOUS

PDF

42.5 KB Authoring application: Solid Converter PDF
MD5: de7f160a345a749fb2f27a168c2a605d SHA-1: 49b9b59ffc036ae6bc47c9c9025c83bfcd17d79a SHA-256: ea66a25a68732f32672e0ce2ddcca88ae7f17c7b231075a953c29dcd63be9d5d
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The PDF contains a large number of external links, suggesting a link farm or redirection strategy. The embedded URLs point to various domains, likely used to distribute further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://priscilajamison.com/uploads/1/3/0/2/130291592/kibejimed.pdf
    • http://thediazobserver.com/uploads/1/3/0/5/130550826/aaf8eb89b9.pdf
    • http://mymountains.fr/uploads/1/3/0/2/130288338/xapatatebefa.pdf
    • http://slpresource.com/uploads/1/3/0/6/130639300/zasomawipilona.pdf
    • http://chaiyee.com/uploads/1/3/0/2/130271150/vetagetoregutop_venomeleferidon.pdf
    • http://powergeardrums.com/uploads/1/3/0/5/130588570/verepefebexewigexo.pdf
    • http://beaconbeerco.com/uploads/1/3/0/5/130544386/4609312.pdf
    • http://steambrush.store/uploads/1/3/0/4/130479171/36d31722.pdf
    • http://michaudwellness.com/uploads/1/3/0/2/130270904/130270904.html#contact+form+design+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001350.bin
13b37932f7ab72c18e3023d529f7ccf028a073da7e16faaeaa562da7d0d140b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1350 8796 bytes

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