Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d383dc496dc2fec…

MALICIOUS

PDF

31.7 KB Created: 2019-04-30 03:02:34 +01:00 Authoring application: mPDF 5.7
MD5: b33f458b8235753655dee5daa7da36de SHA-1: 03ac9bdfb91a2109e52ae1554168c2aa082cd7f5 SHA-256: 1d383dc496dc2fec330f06b4ab84accf119bc4beb1be36af400e199288d54ecf
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated, preventing a deeper analysis of its specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9689

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://muicuiu.dumb1.com/7a01a03a02a08a04/Visual-Techniques-for-Developing-Social-Skills-Activities-and-Lesson-Plans-for-Teaching-Children-with-High-Functioning-Autism-and-Asperger-s-Syndrome-by-Rebecca-A-Moyes.pdf
    • http://muicuiu.dumb1.com/7a01a03a02a00a09/Incorporating-Social-Goals-in-the-Classroom-A-Guide-for-Teachers-and-Parents-of-Children-with-High-Functioning-Autism-and-Asperger-Syndrome-by-Rebecca-A-Moyes.pdf
    • http://muicuiu.dumb1.com/7a01a03a02a08a00/Addressing-the-Challenging-Behavior-of-Children-with-High-Functioning-Autism-Asperger-Syndrome-in-the-Classroom-A-Guide-for-Teachers-and-Parents-by-Rebecca-A-Moyes.pdf
    • http://muicuiu.dumb1.com/1a00a03a09a09a02a03/Life-amp-Spectrum---A-revealing-look-at-high-functioning-autism-and-asperger-s-syndrome-by-C-G-Meloy.pdf
    • http://muicuiu.dumb1.com/5a00a04a02a00a01/The-Ziggurat-Model-A-Framwork-for-Designing-Comprehensive-Interventions-for-Individuals-with-High-Functioning-Autism-and-Asperger-Syndrom-by-Ruth-Aspy.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a02a06a02/Sociotherapeutic-interventions-for-children-with-Asperger-Syndrome-by-Petra-Stockmann.pdf
    • http://muicuiu.dumb1.com/7a06a00a01a00a03/What-is-Autism-Understanding-Life-with-Autism-or-Asperger-s-by-Chantal-Sicile-Kira.pdf
    • http://muicuiu.dumb1.com/3a05a03a03a07a05/Asperger-s-From-the-Inside-Out-A-Supportive-and-Practical-Guide-for-Anyone-with-Asperger-s-Syndrome-by-Michael-John-Carley.pdf
    • http://muicuiu.dumb1.com/8a02a02a02a07a03/Activity-Schedules-for-Children-With-Autism-Teaching-Independent-Behavior-by-Lynn-E-McClannahan.pdf
    • http://muicuiu.dumb1.com/6a04a08a09a07a00/Teaching-Children-with-Autism-Strategies-for-Initiating-Positive-Interactions-and-Improving-Learning-Opportunities-by-Robert-L-Koegel.pdf
    • http://muicuiu.dumb1.com/9a05a05a07a02a08/Assessment-and-Treatment-Activities-for-Children-Adolescents-and-Families-Volume-Two-Practitioners-Share-Their-Most-Effective-Techniques-by-Liana-Lowenstein.pdf
    • http://muicuiu.dumb1.com/1a00a06a09a09a07a00/Therapy-Games-Creative-Ways-to-Turn-Popular-Games-Into-Activities-That-Build-Self-Esteem-Teamwork-Communication-Skills-Anger-Management-Self-Discovery-and-Coping-Skills-by-Alanna-Jones.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a04a08a03/The-New-Encyclopedia-of-Jewelry-Making-Techniques-A-Comprehensive-Visual-Guide-to-Traditional-and-Contemporary-Techniques-by-Jinks-McGrath.pdf
    • http://muicuiu.dumb1.com/7a06a00a00a08a09/Adolescents-on-the-Autism-Spectrum-A-Parent-s-Guide-to-the-Cognitive-Social-Physical-and-Transition-Needs-ofTeen-agers-with-Autism-Spectrum-Disorders-by-Chantal-Sicile-Kira.pdf
    • http://muicuiu.dumb1.com/1a00a06a04a09a02/All-Cats-Have-Asperger-Syndrome-by-Kathy-Hoopmann.pdf
    • http://muicuiu.dumb1.com/9a03a01a09a07a07/Demian-Lesson-Plans-by-BookRags.pdf
    • http://muicuiu.dumb1.com/8a05a09a02a05a03/Angelfall-Lesson-Plans-by-BookRags.pdf
    • http://muicuiu.dumb1.com/9a03a02a09a02a03/Lesson-Plans-The-Silmarillion-by-BookRags.pdf
    • http://muicuiu.dumb1.com/2a03a07a09a05a09/Asperger-s-Syndrome-A-Guide-for-Parents-and-Professionals-by-Tony-Attwood.pdf
    • http://muicuiu.dumb1.com/3a03a00a02a03a09/22-Things-a-Woman-with-Asperger-s-Syndrome-Wants-Her-Partner-to-Know-by-Rudy-Simone.pdf
    • http://muicuiu.dumb1.com/7a01

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