Malicious PDF — malware analysis report

Static analysis result for SHA-256 f654003608a9a9c7…

MALICIOUS

PDF

36.5 KB Authoring application: OpenOffice Draw
MD5: 3dd6e926b6d846ce9a2a664e15d7994a SHA-1: b4e6353adfe465cb02ae5f28a2c4a7b018d99a25 SHA-256: f654003608a9a9c73489023b2431e1662db8f8a667388912d9bb02a02c0bf60f
128 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with multiple URLs pointing to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of a visual download button lure strongly suggest a phishing or malware distribution attempt. The document body mentions 'Bluebeam revu 2016' and an update, likely a pretext to encourage downloads.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 https://gerojoxog.weebly.com/uploads/1/3/0/5/130588678/lelunoduraxagu-sesozajake-zowatoz.pdf
    • http://bradeaton.net/uploads/1/3/0/4/130476221/9497648.pdf
    • http://bestqick.net/uploads/2020/01/27/f0fc3ccc773cb.pdf
    • http://staceyphillips.online/uploads/1/3/0/3/130323424/wojezunimik.pdf
    • http://paranormalavengers.com/uploads/1/3/0/5/130589313/fimedu_sebiz_lokorofini.pdf
    • http://taliamariani.com/uploads/1/3/0/6/130604215/4163993.pdf
    • http://masodari.viptip.pro/uploads/2020/01/27/fujodozigivera.pdf
    • http://theglutenglitch.com/uploads/1/3/0/4/130476068/kosaninelijiletorole.pdf
    • http://pameladirnberger.com/uploads/1/3/0/6/130621004/130621004.html#bluebeam+revu++2016

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f4.bin
4ca539c409da73098703a008d44787554376ebe351932965463d331154567e38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F4 9052 bytes

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