Malicious PDF — malware analysis report

Static analysis result for SHA-256 a306555e22f308e1…

MALICIOUS

PDF

34.9 KB Authoring application: LibreOffice Draw
MD5: 229a035fa90d3f6138152045ea00ceed SHA-1: ad77241c521d50a0797dd54ffd0e909741396745 SHA-256: a306555e22f308e1b65394999403ee554a555523d84d29c02133ddf49cb412b7
130 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are structured as SEO-optimized PDF downloads. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic strongly suggest a phishing or traffic redirection scheme. The presence of a visual download button further supports the lure of clicking these links. The extracted URLs are the primary indicators of compromise, likely leading to malicious content.

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 http://myrawilliamsottewell.com/uploads/1/3/0/2/130287896/4812000.pdf
    • http://theclaytonconnection.com/uploads/1/3/0/6/130605433/5426986.pdf
    • http://eaglehealthinsurance.com/uploads/1/3/0/4/130435594/6546883.pdf
    • http://mfest.com.au/uploads/1/3/0/6/130620265/danosowirat.pdf
    • http://capellandecampo.com/uploads/1/3/0/6/130639839/jadajokenaxode-surozesimot-wifamusikut.pdf
    • http://misbailes.com/uploads/1/3/0/3/130313013/130313013.html#calendar+template+2020+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000109a.bin
29017db65e1c83bd58cc3b1cdc3b56b5489476c5d6374e47d6c5aeff9bc2d4f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x109A 8172 bytes

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