Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b49457605e1e9ad…

MALICIOUS

PDF

19.4 KB Created: 2019-05-02 19:02:39 +01:00 Authoring application: mPDF 5.7
MD5: 862e636ae8fa84705e980c2cc7b6fc8b SHA-1: da2d156f456139da44618071c9b56e0035112dbe SHA-256: 2b49457605e1e9adaaa862d32525de05fea235fc130dba39b353c3eb0c5235e7
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, indicating a link farm designed to redirect users to external content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample. The primary attack pattern involves luring users to a multitude of potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/6f218f211f215f217f212/Selected-Letters-of-A-M-A-Blanchet-Bishop-of-Walla-Walla-and-Nesqualy-1846-1879-by-Roberta-Stringham-Brown.pdf
    • http://kiteeearpdf.myhome.cx/1f214f219f216f212f219/The-River-of-Kings-by-Taylor-Brown.pdf
    • http://kiteeearpdf.myhome.cx/4f216f215f210f218f215/Fallen-Land-by-Taylor-Brown.pdf
    • http://kiteeearpdf.myhome.cx/8f216f212f218f219f213/Comedy-and-the-Feminine-Middlebrow-Novel-Elizabeth-Von-Arnim-and-Elizabeth-Taylor-by-Erica-Brown.pdf
    • http://kiteeearpdf.myhome.cx/2f210f211f212f218f215/The-Reinvention-of-Chastity-by-Eve-Vaughn.pdf
    • http://kiteeearpdf.myhome.cx/2f212f215f218/The-Age-of-Reinvention-by-Karine-Tuil.pdf
    • http://kiteeearpdf.myhome.cx/1f213f212f218f211/The-Reinvention-of-Moxie-Roosevelt-by-Elizabeth-Cody-Kimmel.pdf
    • http://kiteeearpdf.myhome.cx/8f216f212f219f219f216/Panther-Baby-A-Life-of-Rebellion-and-Reinvention-by-Jamal-Joseph.pdf
    • http://kiteeearpdf.myhome.cx/3f215f210f210f218f213/Radical-Reinvention-An-Unlikely-Return-to-the-Catholic-Church-by-Kaya-Oakes.pdf
    • http://kiteeearpdf.myhome.cx/8f214f211f218f214f215/The-Collapse-Of-Globalism-And-The-Reinvention-Of-The-World-by-John-Ralston-Saul.pdf
    • http://kiteeearpdf.myhome.cx/3f214f217f216f212/Simians-Cyborgs-and-Women-The-Reinvention-of-Nature-by-Donna-J-Haraway.pdf
    • http://kiteeearpdf.myhome.cx/6f215f213f218f213f216/Eye-of-the-Beholder-Johannes-Vermeer-Antoni-van-Leeuwenhoek-and-the-Reinvention-of-Seeing-by-Laura-J-Snyder.pdf
    • http://kiteeearpdf.myhome.cx/1f219f216f218f210f212/Enlightenment-in-Dispute-The-Reinvention-of-Chan-Buddhism-in-Seventeenth-Century-China-by-Jiang-Wu.pdf
    • http://kiteeearpdf.myhome.cx/7f215f215f211f212f213/Clockwork-Futures-The-Science-of-Steampunk-and-the-Reinvention-of-the-Modern-World-by-Brandy-Schillace.pdf
    • http://kiteeearpdf.myhome.cx/3f210f212f214f218f212/The-Reinvention-of-Mimi-Finnegan-The-Mimi-Chronicles-1-by-Whitney-Dineen.pdf
    • http://kiteeearpdf.myhome.cx/5f216f213f215f214f218/The-Brown-Driver-Briggs-Hebrew-and-English-Lexicon-by-Francis-Brown.pdf
    • http://kiteeearpdf.myhome.cx/5f219f218f217f219f210/Ten-After-Midnight-Vol-3-by-Roberta-Anglaise.pdf
    • http://kiteeearpdf.myhome.cx/4f210f211f210f218f216/The-Value-of-Vulnerability-by-Roberta-Pearce.pdf
    • http://kiteeearpdf.myhome.cx/2f211f216f217f215f215/The-Value-of-Vulnerability-by-Roberta-Pearce.pdf
    • http://kiteeearpdf.myhome.cx/5f216f217f213f214f210/This-Is-a-Hospital-Not-a-Zoo-by-Roberta-Karim.pdf
    • http://kiteeearpdf.myhome.cx/3f215f210f210f218f213/Radical-Reinvention-An-Unlikely-Return-to-the-Cathol

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