Malicious PDF — malware analysis report

Static analysis result for SHA-256 36bd6fc645cdfb0e…

MALICIOUS

PDF

31.5 KB Authoring application: Soda PDF
MD5: 104b5d7e2b619b9817ecf3f52ae233e2 SHA-1: c5198c269b56affa46cd78d1987cc07c51f9d534 SHA-256: 36bd6fc645cdfb0e1bebe02403eeeee2a4fe0900ee14202421d0ea7941d2b2ab
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document contains a large number of embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The primary intent appears to be directing users to potentially malicious or phishing content hosted on various domains.

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://talesfromcatmountain.com/uploads/1/3/0/5/130541950/bixam_dunutanegigigo_tuvowenoj.pdf
    • http://www.rgb-fusion.com/uploads/1/3/0/2/130289541/setirixi.pdf
    • http://buddyholly.org/uploads/1/3/0/2/130287813/misaxopot.pdf
    • http://theluxycloset.online/uploads/1/3/0/4/130488294/8653035.pdf
    • http://wojeshun.com/uploads/1/3/0/4/130435590/59051e.pdf
    • http://glassmunkeyshop.com/uploads/1/3/0/4/130435839/roninujidesupilozu.pdf
    • http://phantom-rust.net/uploads/1/3/0/2/130288511/labaxi-wuxovixaxumivu-zapofuzije-sigotosajuf.pdf
    • http://stephenludwick.com/uploads/1/3/0/3/130379711/f8ab606b.pdf
    • http://staclaritasc.com/uploads/1/3/0/2/130289421/gutav.pdf
    • http://rockyrunafterschool.com/uploads/1/3/0/2/130289227/voguv.pdf
    • http://gusconsulting.com.au/uploads/1/3/0/6/130604340/84ab3e4f.pdf
    • http://96izqg.bdgct.com/uploads/1/3/0/2/130273581/130273581.html#ielts+mentor+gt+reading+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000265b.bin
bc1398de03d2b2932a6a0063b9b1e3fa2c5d49514a47d5c16c07040068dd2cc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x265B 7784 bytes

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