Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae1c814adf1b0c3e…

MALICIOUS

PDF

40.3 KB Authoring application: LibreOffice Draw
MD5: 0fdc72fe083b68685e1b3c76fab39d9e SHA-1: 3beba40c63f6a57f05810a63f925695b5967f595 SHA-256: ae1c814adf1b0c3eacee1b1bd4cb244f49178966ffb5bd210b25c2c5ede5fb18
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This technique, identified by the PDF_SEO_LINK_FARM heuristic, is commonly used to distribute phishing content or redirect users to malicious sites. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://novusatelier.com/uploads/1/3/0/2/130273625/b99352d294786.pdf
    • http://organicdabsnacks.com/uploads/1/3/0/5/130590261/67d02.pdf
    • http://voraginedeescritores.com/uploads/1/3/0/4/130489371/xobipepirilu.pdf
    • http://mypartypro.net/uploads/1/3/0/8/130813859/kuvewasogevetofag.pdf
    • http://dorsetheartdoctor.com/uploads/1/3/0/2/130289540/91f01f6.pdf
    • http://dessmuir.com/uploads/1/3/0/2/130288379/189892.pdf
    • http://nityakumar.com/uploads/1/3/0/6/130639800/7107363.pdf
    • http://holycowchocolate.com/uploads/1/3/0/5/130588380/dakoweninu_runaroxisajonid.pdf
    • http://nobuhotelmarbella.devsite-1.com/uploads/1/3/0/4/130488320/130488320.html#how+to+make+a+basic+2d+game+in+unity

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f1.bin
d24393566fd4c60010134889b54e515b02c590bcba734eab007ab0fefa07b373		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F1 8888 bytes
font_01_sfnt_off00006207.bin
50224c6c483bfa86a10f62efd7baa2c756f8036c0a911ebd537387e21b2fb6f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6207 2732 bytes

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