Malicious PDF — malware analysis report

Static analysis result for SHA-256 b76d637fa4a1abcc…

MALICIOUS

PDF

33.8 KB Created: 2019-05-01 05:15:29 +01:00 Authoring application: mPDF 5.7
MD5: 0af8dcb6480d7c3c30028c6a7f992c71 SHA-1: abcac4a391487b1b2166f0685d58afa1e0f8199a SHA-256: b76d637fa4a1abcc918c7b7f5c33843285d8d364e535944d0d571263e717f5d9
90 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to URLs with a similar structure on the domain 'muicuiu.dumb1.com'. This heuristic firing suggests a link farm designed to drive traffic to numerous PDF documents. While the document body is heavily obfuscated, the presence of embedded URLs and the critical heuristic firing indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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/6a06a04a06a07a03/Helping-Teens-with-Stress-Anxiety-and-Depression-A-Field-Guide-for-Catholic-Parents-Pastors-and-Youth-Leaders-by-Roy-Petitfils.pdf
    • http://muicuiu.dumb1.com/8a04a06a02a00a00/Stress---Ancient-Wisdom-for-Modern-Problems-A-Short-and-Simple-Guide-to-Relieving-Stress-and-Healing-Anxiety-by-Issy-Flamel.pdf
    • http://muicuiu.dumb1.com/4a06a01a00a07a03/Understanding-and-Overcoming-Anxiety-and-Panic-Attacks-a-Guide-for-You-and-Your-Caregiver-How-to-Stop-Anxiety-Stress-Panic-Attacks-Phobia-amp-Agoraphobia-Now-by-Julie-Stevenson.pdf
    • http://muicuiu.dumb1.com/2a07a02a02a04a01/When-Your-Soul-Screams-A-Guide-to-Finding-Relief-and-Recovery-from-Anxiety-and-Depression-by-Jennifer-Nidoy.pdf
    • http://muicuiu.dumb1.com/1a00a08a03a05a00a03/The-Anxiety-Journal-Exercises-to-soothe-stress-and-eliminate-anxiety-wherever-you-are-by-Corinne-Sweet.pdf
    • http://muicuiu.dumb1.com/6a04a02a06a08a09/Meditation-For-Beginners-The-Ultimate-Guide-To-How-To-Meditate-Like-A-Guru-To-Get-Rid-Of-Stress-And-Anxiety-by-Omar-Aqua.pdf
    • http://muicuiu.dumb1.com/8a01a03a05a06a08/Moving-Past-Anxiety-Low-Self-Esteem-and-Depression-by-April-Salee.pdf
    • http://muicuiu.dumb1.com/4a02a09a06a07a02/The-Bad-Catholic-s-Guide-to-Good-Living-A-Loving-Look-at-the-Lighter-Side-of-Catholic-Faith-with-Recipes-for-Feast-and-Fun-by-John-Zmirak.pdf
    • http://muicuiu.dumb1.com/2a00a05a07a02a03/YOUCAT-The-Youth-Catechism-of-the-Catholic-Church-by-Christoph-Sch-nborn.pdf
    • http://muicuiu.dumb1.com/2a02a04a06a05a06/Catholic-Home-Schooling-A-Handbook-for-Parents-by-Mary-Kay-Clark.pdf
    • http://muicuiu.dumb1.com/3a04a06a03a07a01/Depressed-and-Anxious-The-Dialectical-Behavior-Therapy-Workbook-for-Overcoming-Depression-and-Anxiety-by-Thomas-Marra.pdf
    • http://muicuiu.dumb1.com/9a05a00a00a07a03/Dialectical-Behavior-Therapy-Skills-Training-with-Adolescents-A-Practical-Workbook-for-Therapists-Teens-amp-Parents-by-Jean-Eich.pdf
    • http://muicuiu.dumb1.com/9a08a06a01a02a02/Happy-Hormones-The-Natural-Way-to-Improve-Hormonal-Health-Including-Osteoporosis-Stress-Anxiety-Thyroid-Imbalances-and-Menopause-by-Kristy-Vermeulen.pdf
    • http://muicuiu.dumb1.com/4a01a03a02a03a04/Keep-Calm-and-Pay-Your-Debts-The-Stress-Less-Guide-to-Managing-Debt-A-holistic-step-by-step-approach-to-manage-financial-stress-and-achieve-balance-in-your-life-by-Paola-Bassanese.pdf
    • http://muicuiu.dumb1.com/3a04a05a01a05a06/Joy-Joy-Joy-7-Mind-Body-Spirit-Self-Help-Practices-to-Relieve-Stress-and-Anxiety-Reverse-Memory-Loss-and-Live-Happy---I-Did-It-You-Too-Can-Bust-the-Blues-by-Ellen-Wood.pdf
    • http://muicuiu.dumb1.com/6a05a08a06a01/Helping-Our-Children-Do-Well-in-School-10-Successful-Strategies-from-the-Parents-Best-Practices-Study-of-the-Ateneo-de-Manila-High-School-by-Queena-N-Lee-Chua.pdf
    • http://muicuiu.dumb1.com/3a08a05a06a04a09/Change-Your-Brain-Change-Your-Life-The-Breakthrough-Program-for-Conquering-Anxiety-Depression-Obsessiveness-Anger-and-Impulsiveness-by-Daniel-G-Amen.pdf
    • http://muicuiu.dumb1.com/3a06a03a04a03a09/NO-STRESS-TODAY-WITH-PSYCH-K-How-to-transform-stress-into-vitality-peace-and-a-stress-free-fulfilling-life-by-Marina-Riemslagh.pdf
    • http://muicuiu.dumb1.com/2a02a03a00a00a07/The-Pride-Guide-A-Guide-to-Sexual-and-Social-Health-for-LGBTQ-Youth-by-Jo-Langford.pdf
    • http://muicuiu.dumb1.com/8a07a03a09a08a08/S-Petersen-s-Field-Guide-to-Cthulhu-Monsters-A-Field-Observer-s-Handbook-of-Preternatural-Entities-by-Sandy-Petersen.pdf
    • http://muicuiu.dumb1.com/4a06a01

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