Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac9aa2014e441f17…

MALICIOUS

PDF

34.1 KB Authoring application: pdf-parser
MD5: 4ea6c20ea95af82a81f93a5993181d10 SHA-1: 052d9bcf471d3c5bad293503523d3f40067e3583 SHA-256: ac9aa2014e441f17005186ebe23561c15749741a79482169d1a41e61043677ac
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-generation intent. No scripts were extracted from this sample, limiting the ability to determine specific execution chains.

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://newoutsiderart.com/uploads/1/3/0/8/130813651/dukozizeni.pdf
    • http://somethingblueresale.com/uploads/1/3/0/4/130435857/jazijevamelobesa.pdf
    • http://deadturnip.com/uploads/1/3/0/8/130813100/4786789.pdf
    • http://northcoastwalkingtours.com/uploads/1/3/0/3/130313585/bavuzigezasa-mafuro.pdf
    • http://321-podarok.site/uploads/1/3/0/8/130874316/96a071c6d03.pdf
    • http://sauliusskiudulasmalingtjene.com/uploads/1/3/0/5/130545733/4564729.pdf
    • http://nu-trek.com/uploads/1/3/0/5/130551423/tosonugujefoded_wajugijopo_kukilo.pdf
    • http://www.hopewalk.co.nz/uploads/1/3/0/7/130738725/dixukaf_vadapaw.pdf
    • http://movimentomarianobetania.org/uploads/1/3/0/5/130539305/xevidivejidalozaru.pdf
    • http://mocopridefestival.org/uploads/1/3/0/5/130551055/2a8058733f.pdf
    • http://stratford-hvac.com/uploads/1/3/0/5/130544067/130544067.html#black+sabbath+paranoid+letra+espa%C3%B1ol+ingles

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e28.bin
3d41123420e6e500a1de24fac52af0e138c869f83a484e4a7fa631873cf16ae3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E28 8684 bytes

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