Malicious PDF — malware analysis report

Static analysis result for SHA-256 f557e10814d5a4eb…

MALICIOUS

PDF

27.7 KB Created: 2019-04-30 02:22:54 +01:00 Authoring application: mPDF 5.7
MD5: cc594630d8099dccc2f7f4d81b7d2b45 SHA-1: f5dca5bd35468708cb975998caf7b35046aa1880 SHA-256: f557e10814d5a4eb2507ff81489e91ef9e3325ac94d643d04cedb2949acd3ed9
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links resolve to benign content, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to host further malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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://xiixmcuin.linkpc.net/1200204203208204204/Essential-Mathematics-for-Games-and-Interactive-Applications-A-Programmer-s-Guide-The-Morgan-Kaufmann-Series-in-Interactive-3D-Technology-by-James-M-Van-Verth.pdf
    • http://xiixmcuin.linkpc.net/1200204204200203205/3D-Game-Engine-Architecture-Engineering-Real-Time-Applications-with-Wild-Magic-The-Morgan-Kaufmann-Series-in-Interactive-3d-Technology-by-David-H-Eberly.pdf
    • http://xiixmcuin.linkpc.net/1200204203208200202/Real-Time-Collision-Detection-The-Morgan-Kaufmann-Series-in-Interactive-3d-Technology-by-Christer-Ericson.pdf
    • http://xiixmcuin.linkpc.net/7207207204203204/Anne-Of-Green-Gablesan-Interactive-Cd-Rom-Novel-Anne-La-Maison-Au-Pignons-Verts-Un-Roman-Interactif-Sur-Cd-Rom-by-Renaissance-Interactive-Studios.pdf
    • http://xiixmcuin.linkpc.net/1200204203209204203/Wireless-Networking-The-Morgan-Kaufmann-Series-in-Networking-The-Morgan-Kaufmann-Series-in-Networking-by-Anurag-Kumar.pdf
    • http://xiixmcuin.linkpc.net/3208200202200202/Become-the-Woman-of-Your-Dreams-2-Interactive-Gender-Transformation-Feminization-Erotica-Aurora-Sparks-Interactive-Erotica-3-by-Aurora-Sparks.pdf
    • http://xiixmcuin.linkpc.net/1200201203206206209/Really-Good-F-Words-Your-Interactive-Guide-to-Self-Care-by-Lorrie-Forde.pdf
    • http://xiixmcuin.linkpc.net/7203205206201200/The-Three-Theban-Plays-2012-Academic-Edn-Interactive-TOC-Incl-Study-Guide-by-Sophocles.pdf
    • http://xiixmcuin.linkpc.net/7203205206207208/The-Winter-s-Tale-2012-Academic-Edn-Interactive-TOC-Incl-Study-Guide-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/7203205205208204/The-Merchant-of-Venice-2012-Academic-Edn-Interactive-TOC-Incl-Study-Guide-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/7203205205208201/King-Lear-2012-Academic-Edn-Interactive-TOC-Incl-Study-Guide-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/7203205207203200/Titus-Andronicus-2012-Academic-Edn-Interactive-TOC-Incl-Study-Guide-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/1200203201201205203/Allegiant-The-Ultimate-Interactive-Quiz-Book-Divergent-Series-Quiz-Books-3-by-Sarah-Davids.pdf
    • http://xiixmcuin.linkpc.net/1200203207201209205/Understanding-Digital-Libraries-The-Morgan-Kaufmann-Series-in-Multimedia-and-Information-Systems-by-Michael-Lesk.pdf
    • http://xiixmcuin.linkpc.net/1200203201201201204/Divergent-The-Ultimate-Interactive-Quiz-Book-Divergent-Series-Quiz-Books-1-by-Sarah-Davids.pdf
    • http://xiixmcuin.linkpc.net/1200205205200201207/Illustration-Studio-Beginning-Manga-An-interactive-guide-to-learning-the-art-of-manga-illustration-by-Aileen-Strauch.pdf
    • http://xiixmcuin.linkpc.net/7204209206209208/The-Interactive-Stance-by-Jonathan-Ginzburg.pdf
    • http://xiixmcuin.linkpc.net/5201201203207208/Activities-for-Interactive-Whiteboards-by-Daniel-Martin.pdf
    • http://xiixmcuin.linkpc.net/3207205203200206/A-Fun-Interactive-Psychological-Adventure-by-Damien-Darby.pdf
    • http://xiixmcuin.linkpc.net/9200203206205207/Demigods-of-Olympus-An-Interactive-Adventure-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/1200204203208200202/Real-Time-Collision-Detection-The-Morgan-Kaufmann-Series-in-Interactive-3d-Technology-by-Christer-Eri

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