Malicious PDF — malware analysis report

Static analysis result for SHA-256 30fd21ee95d7bcb6…

MALICIOUS

PDF

40.4 KB Authoring application: OpenOffice.org
MD5: 2a735841bbb28b89f848e49c0b6b71a2 SHA-1: 2a7c933e4156b7085eb1d19e93629f921724a1f1 SHA-256: 30fd21ee95d7bcb6f3b6eaac21e8afc25adec92f01f0517cfc42a3b0b3bc7325
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed to attract search engine traffic. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, facilitating the download of further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://mamouniahaircare.com/uploads/1/3/0/4/130476221/6a343.pdf
    • http://firesprink.org/uploads/1/3/0/2/130270974/8198214.pdf
    • http://mellowfishwebsite.com/uploads/1/3/0/4/130476733/bb0c29d5a1be.pdf
    • http://puntodeapoyo.es/uploads/1/3/0/4/130483656/504693.pdf
    • http://pocketshows.com/uploads/1/3/0/5/130588675/xozuluzuwimijamafus.pdf
    • http://raysohn.com/uploads/1/3/0/8/130814967/4709092.pdf
    • http://www.caitlinedythe.com/uploads/1/3/0/4/130476407/4afcb7ad06f.pdf
    • http://brucedaleestate.com/uploads/1/3/0/7/130775731/3ec61762a.pdf
    • http://quinnarcher.com/uploads/1/3/0/6/130604815/vuvotuganegi.pdf
    • http://thatiphoneshow.com/uploads/1/3/0/6/130603956/f7f94f8cd6c1d.pdf
    • http://www.kitlomax.co.uk/uploads/1/3/0/2/130288488/9e365c462.pdf
    • http://fritolaysautos.com/uploads/1/3/0/5/130550980/4174955.pdf
    • http://cincottalaw.com/uploads/1/3/0/5/130550741/wobenemunuzidex_wavex.pdf
    • http://ashlandkitchenevents.com/uploads/1/3/0/8/130815303/8065637.pdf
    • http://silverarcherdesigns.com/uploads/1/3/0/3/130323318/vodadirubunusunu.pdf
    • http://northplainfieldpark.com/uploads/1/3/0/7/130776132/1199280.pdf
    • http://www.fuegowithin.org/uploads/1/3/0/7/130776262/jesep.pdf
    • http://wendtauto.com/uploads/1/3/0/5/130538918/86794.pdf
    • http://background-music.info/uploads/1/3/0/4/130492441/b9ebdf5848b90d.pdf
    • http://carmenmariayantonio.com/uploads/1/3/0/5/130551309/zamosuzadoru.pdf
    • http://74-123-75-154.mgwnet.com/uploads/1/3/0/3/130379894/130379894.html#academic+writing+for+graduate+students+swales+and+feak
    • http://www.caitlinedythe.com/up

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003fd9.bin
9d1d0290247a537319aa878b026fcf80874ed228d3917d2124e70f027d1886bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FD9 7616 bytes

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