Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2b76a59059e6a2b…

MALICIOUS

PDF

44.2 KB Authoring application: OpenOffice.org
MD5: 07abd3e29fec7a6388b076ee285f5dde SHA-1: 16ce00c132fe83aa4a4bb04ea535bd4edef59f27 SHA-256: d2b76a59059e6a2bd18657afd18bd9c308a3885156b3c6d7dcc0c0caa3c1b9ef
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The embedded URLs are likely used to distribute phishing content or SEO spam.

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://nmsmithtoo.weebly.com/uploads/1/3/0/4/130476818/bizad.pdf
    • http://sourlandmountainwriter.com/uploads/1/3/0/4/130488993/2744359.pdf
    • http://alohaspiritlomilomi.com/uploads/1/3/0/2/130272516/lowavomobesu_ribubuz.pdf
    • http://artworkbylindseydowning.com/uploads/1/3/0/2/130287737/c263053.pdf
    • http://lichnii-kabinet.online/uploads/2020/01/29/gogamolenimuf.pdf
    • http://kelseyelizabethphoto.com/uploads/1/3/0/5/130550915/00e7d79d.pdf
    • http://alxconstruction.net/uploads/1/3/0/3/130323968/lofoz.pdf
    • http://rambow145.com/uploads/1/3/0/4/130477839/6962609.pdf
    • http://naturesintent.co/uploads/1/3/0/6/130620823/fofuzopebufivajare.pdf
    • http://newperspectivemedical.com/uploads/1/3/0/5/130589115/130589115.html#macbeth+act+1+questions

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001225.bin
9680d342110d1d65569429b295b77b13f7f30c73764a2d3ae2eefbfc7505fa9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1225 8156 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.