Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa23d411af395bf3…

MALICIOUS

PDF

22.6 KB Created: 2019-05-02 17:08:27 +01:00 Authoring application: mPDF 5.7 First seen: 2020-08-25
MD5: d12ea9f1d6287d0c0ad29c7a7583df8c SHA-1: 9e4ee06a5af0bb785af40eeceb2dfadb131677fa SHA-256: fa23d411af395bf350416340360803ab1c86096684e56bc634ba38dd31257fde
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs are likely used to redirect users to malicious content or for SEO manipulation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://kiteeearpdf.myhome.cx/8f218f214f215f216f214/The-Complete-Paladin-s-Handbook-by-Rick-Swan.pdf In PDF document text
    • http://kiteeearpdf.myhome.cx/5f215f219f219f210f218/Uncanny-X-Force-by-Rick-Remender-The-Complete-Collection-Volume-2-by-Rick-Remender.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f215f219f218f211f218/Venom-by-Rick-Remender-The-Complete-Collection-Volume-1-by-Rick-Remender.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f217f214f213f215f214/Swan-and-Shadow-A-Swan-Lake-Story-by-Kaki-Olsen.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f215f213f211f217f213/The-Minus-Faction-Complete-Omnibus-Edition-by-Rick-Wayne.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f210f213f212f216f210f216/The-Complete-Sailing-Handbook-by-Roland-Denk.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f211f213f216f212f213f215/Principia-Logica-A-Most-Complete-a-Handbook-of-Logic-by-Bona-Christus.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f217f216f210f217f218/The-Paladin-Prophecy-The-Paladin-Prophecy-1-by-Mark-Frost.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f215f219f212f216f210/The-Complete-Worst-Case-Scenario-Survival-Handbook-Man-Skills-by-Joshua-Piven.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/4f213f213f210f218f212/The-Complete-Handbook-Of-Novel-Writing-Everything-You-Need-To-Know-About-Creating-amp-Selling-Your-Work-by-Writer-39-s-Digest-Books.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f217f215f219f213f215/The-Six-SIGMA-Handbook-A-Complete-Guide-for-Greenbelts-Blackbelts-and-Managers-at-All-Levels-by-Thomas-Pyzdek.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f211f210f214f212f219/The-Complete-Lenormand-Oracle-Handbook-Reading-the-Language-and-Symbols-of-the-Cards-by-Caitl-n-Matthews.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f213f210f215f210f218/Black-Swan-1-3-My-Familiar-Stranger-The-Witch-s-Dream-A-Summoner-s-Tale-Order-of-the-Black-Swan-1-3-by-Victoria-Danann.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f210f218f215f213f214f217/Digital-Marketing-Without-Tears-A-Complete-Handbook-on-Everything-Executives-and-Entrepreneurs-Must-Know-on-How-to-Successfully-Market-Their-Company-Online-by-Ope-Banwo.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/4f210f217f215f219/The-39-Clues-Complete-Collection-The-39-Clues-1-10-by-Rick-Riordan.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f217f215f219f218f219/Marijuana-Grower-s-Handbook-Your-Complete-Guide-for-Medical-and-Personal-Marijuana-Cultivation-by-Ed-Rosenthal.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/8f218f216f219f216f217/Rick-Steves-Germany-Austria-amp-Switzerland-Covers-Munich-Bavaria-Vienna-Salzburg-the-Berner-Oberland-and-Prague-by-Rick-Steves.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/3f215f216f219f211f210/Paladin-by-Willow-Cross.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f210f218f212f212f212f210/Rick-Steves-Tour-Hofburg-Imperial-Apartments-Vienna-by-Rick-Steves.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/8f218f214f214f216f214/Roland-Reluctant-Paladin-by-N-C-Reed.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/4f213f213f210f218f212/The-Complete-Handbook-Of-NovelIn PDF document text

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