Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c40e45f95f6aba4…

MALICIOUS

PDF

23.6 KB Created: 2020-03-18 16:41:17 +00:00 Authoring application: mPDF 5.7
MD5: 9a46b2f4d3eeb7e310e2496f2d71e0d2 SHA-1: 0bd015d37612b4f71c245926f95aec5aa82eefe0 SHA-256: 8c40e45f95f6aba4aeb0f9864d76f060d236526a88e8704504dbfc123e696da2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified as a link farm, which are likely intended to direct users to download pirated books. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://eascasas.myhome.cx/3aa1aa5aa9aa5aa1/Dog-Tags-Andy-Carpenter-Series-8-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/1aa5aa3aa3aa4aa1/Dog-Tags-Andy-Carpenter-8-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/3aa6aa8aa3aa1aa9/Open-and-Shut-Andy-Carpenter-Series-1-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/3aa4aa8aa0aa8aa4/Who-Let-the-Dog-Out-Andy-Carpenter-13-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/4aa8aa5aa6aa3aa3/Hounded-An-Andy-Carpenter-Novel-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/5aa0aa4aa6aa4aa3/Hounded-Andy-Carpenter-12-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/8aa6aa5aa1aa8aa1/Collared-Andy-Carpenter-16-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/8aa6aa5aa2aa6aa4/Outfoxed-Andy-Carpenter-14-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/3aa0aa0aa0aa2aa2/Play-Dead-Andy-Carpenter-6-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/2aa9aa9aa1aa1aa3/Dead-Center-Andy-Carpenter-5-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/8aa6aa5aa2aa6aa5/Leader-of-the-Pack-Andy-Carpenter-10-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/9aa0aa4aa8aa5aa9/Tote-Bags-and-Toe-Tags-Haley-Randolph-Series-5-by-Dorothy-Howell.pdf
    • http://eascasas.myhome.cx/2aa2aa0aa7aa9aa5/Dogtripping-25-Rescues-11-Volunteers-And-3-RVs-On-Our-Canine-Cross-Country-Adventure-by-David-Rosenfelt.pdf
    • http://eascasas.myhome.cx/4aa5aa4aa6aa4aa4/Title-Tags-Best-Seller-List-New-York-Times-Fiction-2009-Book-Novel-Paperback-Diet-Amazon-Series-Business-Selling-Teens-Mystery-Women-Famous-Romance-Sex-Most-Popular-2010-Bestseller-by-Nigel-Tomm.pdf
    • http://eascasas.myhome.cx/3aa3aa5aa2aa7aa5/Broken-Doors-Book-One-of-the-Carpenter-Series-the-Lost-Years-of-Jesus-by-A-B-Clarke.pdf
    • http://eascasas.myhome.cx/9aa7aa3aa5aa0aa8/Pikcanon-Not---Canon-Treasures-Ancient-Ad-Series-Ancient-Secrets-Series-Blast-from-the-Past-Series-Cook-s-Arsenal-Series-Crystallized-Emotions-Series-Dream-Series-Explorer-s-Friend-Series-Frigid-Series-Gourmet-Series-Husband-s-Tears-Series-Mass-by-Source-Wikia.pdf
    • http://eascasas.myhome.cx/4aa1aa4aa8aa7aa3/Dog-Tags-by-Heidi-Glick.pdf
    • http://eascasas.myhome.cx/9aa2aa4aa2aa9/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://eascasas.myhome.cx/2aa2aa5aa1aa4aa5/Dog-Tags-for-Christmas-by-Jennifer-Conner.pdf
    • http://eascasas.myhome.cx/8aa8aa1aa1aa9aa6/Dog-Tags-for-Christmas-by-Lindsay-McKenna.pdf
    • http://eascasas.myhome