Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e72f487b8075a3a…

MALICIOUS

PDF

65.6 KB Created: 2020-04-23 09:43:16 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 65581346fe65249f8217bfa2a66fa7bd SHA-1: 75fb6b788ce08a6edbb2861964f1438bd1c07814 SHA-256: 9e72f487b8075a3a067474d9bce4dfaed070f9bb983c5b822fb9219a7ae476e9
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body appears to be malformed or obfuscated, but the presence of numerous URLs suggests a link farm or redirection scheme. The primary intent appears to be directing users to a multitude of external websites, likely for SEO manipulation or to host further malicious content.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://kimresine.ca/uploads/1/3/0/9/130969220/130969220.html#arriva+trains+wales+map+pdf
    • http://lakeoswegojunkremoval.com/uploads/1/3/0/6/130621622/xipamav.pdf
    • http://returntoeden.co/uploads/1/3/1/1/131164382/filijanakilom.pdf
    • http://400yearclub.net/uploads/1/3/0/5/130540397/8330405.pdf
    • http://mysurvey.website/uploads/1/3/0/5/130539432/fukakafulepalak.pdf
    • http://pundit-predictions.com/uploads/1/3/0/9/130969664/6999277.pdf
    • http://jballiance.org/uploads/1/3/1/4/131438002/wavojiwusut.pdf
    • http://officeoptimisation.com/uploads/1/3/0/7/130740387/wisujira-nibedofiz.pdf
    • http://sgraci.com/uploads/1/3/1/3/131383416/3520221.pdf
    • http://protiviti-us.org/uploads/1/3/1/4/131408131/xituto.pdf
    • http://lakewylieoffice.com/uploads/1/3/0/5/130551089/5446151.pdf
    • http://homefeltsomerset.com/uploads/1/3/1/3/131398024/bumire-gakumajuwezadi-wonatelukodo-zojezip.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d951.bin
6027fd49d1993688640f71b0b67727130d8b3914648771290652ea925a213374		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD951 8692 bytes

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