Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ba38254bce3e1c0…

MALICIOUS

PDF

30.6 KB Created: 2019-05-02 17:02:06 +01:00 Authoring application: mPDF 5.7
MD5: 71ad27ffad58bb957cc5ae91c720813a SHA-1: 15d47ff59abd2460daa4864a0b68e69f9f268dc6 SHA-256: 0ba38254bce3e1c051c3aecbf551d6490bb013635c78c35ec56a3c62102cb406
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm that directs users to external PDF documents. These external documents are presented as guides or research papers, likely as a lure. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

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://cefasfese.4pu.com/9738737732730738/Research-Methodology-A-Step-By-Step-Guide-for-Beginners-by-Ranjit-Kumar.pdf
    • http://cefasfese.4pu.com/6734739734730738/Python-Programming-Step-by-Step-Guide-from-Beginners-to-Expert-by-ADRIEN-AIDA.pdf
    • http://cefasfese.4pu.com/1730739733733734738/The-Raw-Food-Diet-Step-by-Step-Guide-for-Beginners-by-Jamie-Fynn.pdf
    • http://cefasfese.4pu.com/6737733730738737/The-Art-of-Downsizing-A-Step-by-Step-Guide-to-a-Smooth-Home-Transition-by-Pierrette-Raymond.pdf
    • http://cefasfese.4pu.com/9732732731731732/Your-First-1000-Copies-The-Step-by-Step-Guide-to-Marketing-Your-Book-by-Tim-Grahl.pdf
    • http://cefasfese.4pu.com/6735733730730735/How-to-Talk-to-Your-Child-About-Sex-It-s-Best-to-Start-Early-but-It-s-Never-Too-Late----A-Step-by-Step-Guide-for-Every-Age-by-Linda-Eyre.pdf
    • http://cefasfese.4pu.com/7736735732739/Agile-Scrum-Your-Quick-Start-Guide-with-Step-by-Step-Instructions-by-Scott-M-Graffius.pdf
    • http://cefasfese.4pu.com/4739734733733731/Overcoming-Night-Eating-Syndrome-A-Step-by-step-Guide-to-Breaking-the-Cycle-by-Kelly-C-Allison.pdf
    • http://cefasfese.4pu.com/1737737737736739/Authority-Marketing-Manual-A-Step-By-Step-Guide-For-How-To-Turn-Your-Passion-Into-Profit-by-Rebekah-Welch.pdf
    • http://cefasfese.4pu.com/9734739733735739/How-to-Write-a-Book-Proposal-The-Insider-s-Step-By-Step-Guide-to-Proposals-That-Get-You-Published-by-Michael-Larsen.pdf
    • http://cefasfese.4pu.com/2735736739736732/The-Startup-Owner-s-Manual-The-Step-By-Step-Guide-for-Building-a-Great-Company-by-Steve-Blank.pdf
    • http://cefasfese.4pu.com/1730735732733739735/Nature-Crafts-for-Christmas-A-Step-By-Step-Guide-to-Making-Wreaths-Ornaments-and-Decorations-by-Dawn-Cusick.pdf
    • http://cefasfese.4pu.com/1731739736737739731/VW-Beetle-Performance-Handbook-A-Step-by-Step-Guide-to-Upgrading-Engine-Transmission-Suspension-and-Brakes-by-Keith-Seume.pdf
    • http://cefasfese.4pu.com/5730735731737730/First-Time-Cake-Decorating-The-Absolute-Beginner-s-Guide---Learn-by-Doing-Step-by-Step-Basics-Projects-by-Autumn-Carpenter.pdf
    • http://cefasfese.4pu.com/3736736738734730/The-Ultimate-Teen-Relationship-Guide-Step-By-Step-Handbook-for-Love-and-Dating-That-Young-People-Can-Really-Use-by-Eddie-Acevedo.pdf
    • http://cefasfese.4pu.com/1738733733732733/The-Plant-Based-Journey-A-Step-by-Step-Guide-for-Transitioning-to-a-Healthy-Lifestyle-and-Achieving-Your-Ideal-Weight-by-Lani-Muelrath.pdf
    • http://cefasfese.4pu.com/7736736736737730/Singer-R-Sewing-Custom-Curtains-Shades-and-Top-Treatments-A-Complete-Step-by-Step-Guide-to-Making-and-Installing-Window-Decor-by-Susan-Woodcock.pdf
    • http://cefasfese.4pu.com/6732732732739737/One-Survivor-s-Guide-for-Beating-Depression-and-Thriving-Thereafter-Simple-Practical-Step-by-Step-Remedies-for-the-Illness-of-Depression-by-Nima-Fard.pdf
    • http://cefasfese.4pu.com/1730730731739732/How-to-Run-a-Home-Based-Ebay-Store-A-Complete-Step-by-Step-Guide-for-Your-First-Online-Store-by-Annette-Shaw.pdf
    • http://cefasfese.4pu.com/7736732739733736/Yoga-for-You-and-Your-Child-The-Step-By-Step-Guide-to-Enjoying-Yoga-with-Children-of-All-Ages-by-Mark-Singleton.pdf