Malicious PDF — malware analysis report

Static analysis result for SHA-256 20dbeaffa4347d21…

MALICIOUS

PDF

21.2 KB Created: 2020-03-16 04:47:30 +00:00 Authoring application: mPDF 5.7
MD5: c46828ad1b62a95b932387a64b4e4ff3 SHA-1: 8dce0c2fce029393d4116307a421177188e10129 SHA-256: 20dbeaffa4347d21c054e596973b32733c2e8044c2c9b7fb1f3ad27fdc19ae04
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicated maliciousness. The primary attack pattern involves redirecting users to numerous external sites, likely for SEO poisoning or to host further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2aa3aa6aa4aa6aa3/Julius-Knipl-Real-Estate-Photographer-by-Ben-Katchor.pdf
    • http://eascasas.myhome.cx/5aa4aa9aa2aa2aa9/The-Real-Book-of-Real-Estate-Real-Experts-Real-Stories-Real-Life-by-Robert-T-Kiyosaki.pdf
    • http://eascasas.myhome.cx/9aa3aa2aa7aa2aa3/n-1-Issue-19-Real-Estate-by-n-1.pdf
    • http://eascasas.myhome.cx/1aa0aa1aa3aa6aa6aa1/Real-Estate-Kindle-Single-by-Lorrie-Moore.pdf
    • http://eascasas.myhome.cx/8aa7aa7aa4aa9aa2/Investment-Analysis-for-Real-Estate-Decisions-by-Phillip-Kolbe.pdf
    • http://eascasas.myhome.cx/2aa2aa9aa5aa5aa9/Real-Estate-Goldmine-How-to-get-Rich-Investing-in-Pre-Foreclosures-by-Donald-J-Trump.pdf
    • http://eascasas.myhome.cx/7aa5aa4aa8aa5aa3/The-Young-Investor-s-Guide-to-Real-Estate-Investing-25-Secrets-for-Success-by-Bal-Soin.pdf
    • http://eascasas.myhome.cx/5aa0aa9aa9aa3aa3/A-World-More-Concrete-Real-Estate-and-the-Remaking-of-Jim-Crow-South-Florida-by-N-D-B-Connolly.pdf
    • http://eascasas.myhome.cx/9aa5aa5aa0aa2aa1/101-Ways-to-Massively-Increase-the-Value-of-Your-Real-Estate-without-Spending-Much-Money-by-Dolf-de-Roos.pdf
    • http://eascasas.myhome.cx/1aa7aa3aa2aa6aa2/Secrets-of-a-Spiritual-Guru-Real-Estate-Yoga-amp-Lies-by-Tamara-Lee-Dorris.pdf
    • http://eascasas.myhome.cx/2aa2aa1aa1aa4aa2/Public-Trust-Betrayed-The-Truth-Behind-the-Real-Estate-Appraisal-Industry-by-James-E-Manning.pdf
    • http://eascasas.myhome.cx/4aa8aa9aa0aa4aa8/Backyard-Bones-Regan-McHenry-Real-Estate-Mysteries-2-by-Nancy-Lynn-Jarvis.pdf
    • http://eascasas.myhome.cx/1aa7aa7aa9aa7aa4/How-To-Deliver-A-Powerful-Listing-Presentation-Real-Estate-Agent-Training-Series-by-Tara-Jacobsen.pdf
    • http://eascasas.myhome.cx/9aa4aa8aa9aa3aa5/The-Automatic-Millionaire-Homeowner-A-Powerful-Plan-to-Finish-Rich-in-Real-Estate-by-David-Bach.pdf
    • http://eascasas.myhome.cx/8aa5aa7aa3aa7aa2/The-Complete-Guide-to-Real-Estate-Finance-for-Investment-Properties-How-to-Analyze-Any-Single-Family-Multifamily-or-Commercial-Property-by-Steve-Berges.pdf
    • http://eascasas.myhome.cx/1aa0aa0aa8aa1aa3aa3/How-to-Quit-Your-Job-with-Rental-Properties-A-Step-by-Step-Guide-to-UNLOCKING-Passive-Income-by-Investing-in-Real-Estate-by-Dustin-Heiner.pdf
    • http://eascasas.myhome.cx/4aa8aa7aa7aa2aa9/Witchwood-Estate---Books-1-amp-2-Witchwood-Estate-1-2-by-Patti-Roberts.pdf
    • http://eascasas.myhome.cx/6aa6aa0aa4aa2/Witchwood-Estate---Books-1-amp-2-Witchwood-Estate-1-2-by-Patti-Roberts.pdf
    • http://eascasas.myhome.cx/2aa4aa3aa8aa4/Hand-Drying-in-America-and-Other-Stories-by-Ben-Katchor.pdf
    • http://eascasas.myhome.cx/1aa6aa6aa4aa2aa5/New-Life-Within-Real-Babies-Real-Moms-Real-Stories-by-Amie-McCracken.pdf
    • http://eascasas.myhome.cx/9aa5aa5aa0aa2aa1/101-Ways-to-Massivel

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