Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3d845b5476a295a…

MALICIOUS

PDF

17.9 KB Created: 2019-05-02 05:13:19 +01:00 Authoring application: mPDF 5.7
MD5: a96ff0860b0043abedcedba8cd7d1a97 SHA-1: 0b7d01ccca5934fb11b4046e8725d2f972161c21 SHA-256: e3d845b5476a295a0ec5f7cdd6cb0cab0beac01dfea23282ef12ac6ba51ef337
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1190 Exploit Public-Facing Application

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicates maliciousness. The primary attack pattern involves leveraging these links, likely to redirect users to malicious sites or to distribute further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 2

  • 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.
  • 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://tuckeiao.dyndns.co.za/6026027027020/Enid-Blyton-Adventure-Series-Set-Collection-8-Books-By-Enid-Blyton-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/3027027023028020/9-Five-Fall-Into-Adventure-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/2029026028023023/The-Island-of-Adventure-And-The-Castle-of-Adventure-Two-Great-Adventures-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/4021021028023021/The-Castle-Of-Adventure-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/2023022028022020/The-Famous-Five-Adventure-Collection-1-2-And-16-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/2027024027028025/The-Naughtiest-Girl-Collection-Enid-Blyton-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/2024023022025020/The-Enid-Blyton-Book-of-Fairies-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/9022024022029/Articles-on-Enid-Blyton-Series-Including-The-Famous-Five-Series-the-Secret-Seven-Malory-Towers-the-Faraway-Tree-St-Clare-s-Series-the-Five-Find-Outers-the-Adventure-Series-the-Wishing-Chair-Series-the-Circus-Series-by-Hephaestus-Books.pdf
    • http://tuckeiao.dyndns.co.za/2025025026020025/Well-Done-Noddy-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/3027027023027028/7-Five-Go-Off-To-Camp-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/2024024028023021/The-Put-Em-Rights-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/8027022028022/Five-Are-Together-Again-Famous-Five-21-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/3021022025021024/Well-Really-Mr-Twiddle-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/4022022029020/Five-Get-into-a-Fix-Famous-Five-17-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/4026029024023/Five-Get-Into-Trouble-Famous-Five-8-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/4025027026024/Five-Go-Off-in-a-Caravan-Famous-Five-5-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/9027028025022027/Enid-Blyton-by-George-Greenfield.pdf
    • http://tuckeiao.dyndns.co.za/2027024024026024/Up-the-Faraway-Tree-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/3021024027020020/Amelia-Jane-Again-by-Enid-Blyton.pdf
    • http://tuckeiao.dyndns.co.za/9020022022021022/Aventura-no-Rio-Misterioso-by-Enid-Blyton.pdf

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