Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd566cd247380839…

MALICIOUS

PDF

42.8 KB Created: 2020-06-05 15:47:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bb9c1933ab9bc450de4e9e77f6e9aeaf SHA-1: e4cf118fbc09fcaeb40aa9bdfaa10f504ce3d8cd SHA-256: cd566cd247380839719238af6f23263504d5922a100ab3a2a590027aa6b0651b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body contains a seemingly innocuous phrase 'Wii remote pin windows 10' which may be used as a lure. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves directing users to a network of potentially malicious websites.

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.
  • 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://uwsc.eu/uploads/1/3/1/4/131406321/131406321.html#wii+remote+pin+windows+10
    • http://jheinencfi.com/uploads/1/3/1/3/131379678/bevurepapon-fotuleg-robelukomofe-tonuxuxaxa.pdf
    • http://hostmaster.loufitness.co.uk/uploads/1/3/0/4/130476157/vofuzoribusevu-tonegaxipa.pdf
    • http://topgrouptravel.voyagerwebsites.com/uploads/1/3/0/5/130546415/efdacb59fc5e.pdf
    • http://absolutelylegal.net/uploads/1/3/0/6/130620923/dukagisovi.pdf
    • http://vitalmedrx.com/uploads/1/3/0/4/130488412/xulitedebaganubopul.pdf
    • http://splash-pad.kaseyfraley-photography.com/uploads/1/3/1/4/131483253/muvudetavir.pdf
    • http://ebffzi.viatheweb.net/uploads/1/3/0/4/130476816/fagijerexa-mubede.pdf
    • http://sbuildersinc.org/uploads/1/3/0/6/130604886/4644170.pdf
    • http://leclereconsultingllc.com/uploads/1/3/0/7/130776147/nosodaves.pdf
    • http://uwsc.eu/uploads/1/3/1/4/131406321/terms.html
    • http://uwsc.eu/uploads/1/3/1/4/131406321/dmca.html
    • http://uwsc.eu/uploads/1/3/1/4/131406321/policy.html
    • https://bijetukexer.files.wordpress.com/2020/06/46818553105.pdf
    • https://lobovesop.files.wordpress.com/2020/06/baxumisunepifamirularojip.pdf
    • https://bubopero.files.wordpress.com/2020/06/95427798195.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_off00007b0a.bin
49a2b3319758798135044d73197644bc906944366c382665457cfd61abd8be7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B0A 10756 bytes

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