Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a0c113a7096c1db…

MALICIOUS

PDF

41.2 KB Authoring application: LibreOffice Draw
MD5: 70219644bafd8222b5d50f3e83066545 SHA-1: 238f3f1d82cbd74dae24920a781230a7d9337ebb SHA-256: 9a0c113a7096c1db698c74030402a32170af0cebf583ff71759b100d165ef790
120 Risk Score

Malware Insights

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

The PDF file was identified as a dropper by ClamAV. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links embedded within the document, with the first observed URL being http://rachaelmaephotography.com/uploads/1/3/0/6/130639313/4102500.pdf. This suggests the document's primary purpose is to redirect users to potentially malicious content hosted on these external domains.

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.Dropper.Agent-9578568-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9578568-0
  • 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://rachaelmaephotography.com/uploads/1/3/0/6/130639313/4102500.pdf
    • http://murug.mnzdrv-biotic.ru/uploads/2020/01/29/1861525.pdf
    • http://mopola.com/uploads/1/3/0/5/130589156/fapaxifenikop_pezejenafidawo.pdf
    • http://lhfieldfamilyfdn.org/uploads/1/3/0/4/130483043/2000943.pdf
    • http://killjoy.info/uploads/1/3/0/6/130639437/1106325.pdf
    • http://nectarofthesun.com/uploads/1/3/0/2/130271096/baretasa_zunerurenis_fasolowowime.pdf
    • http://djsilentj.com/uploads/1/3/0/6/130621597/fozozizobomozos-kotil.pdf
    • http://nursingarmpillow.com/uploads/1/3/0/5/130588360/130588360.html#the+dc+comics+guide+to+digitally+drawing+comics

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b6.bin
b12252ee0ab9e19a30a38c60541870c3112b63796249f81eb25511de7c45c946		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B6 8336 bytes

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