Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fa22582dd48ac05…

MALICIOUS

PDF

17.9 KB Created: 2019-05-02 19:24:45 +01:00 Authoring application: mPDF 5.7
MD5: 9a0ca44d117958fb99446ec050241dd1 SHA-1: 6ab92c0b2aeed3d40edda1345882cefc0f77a54e SHA-256: 5fa22582dd48ac05847295c81632e1abd65b137a60ab0b6ef78d06f2b76b364f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs disguised as book titles, a technique often used for SEO spam or to redirect users to malicious sites. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the structure and embedded URLs suggest an attempt to deliver a malicious payload or phish users.

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://kiteeearpdf.myhome.cx/1f211f218f212f210f210f217/The-Struts-Framework-Practical-Guide-for-Java-Programmers-by-Spielman.pdf
    • http://kiteeearpdf.myhome.cx/1f211f218f211f219f218f217/The-Struts-Framework-Practical-Guide-for-Java-Programmers-by-Sue-Spielman.pdf
    • http://kiteeearpdf.myhome.cx/7f210f211f217f211f214/Winning-on-Appeal-Better-Briefs-and-Oral-Argument-NITA-s-Practical-Guide-Series-NITA-practical-guide-series-by-Ruggero-J-Aldisert.pdf
    • http://kiteeearpdf.myhome.cx/5f216f218f214f216f213/Java-Developers-Guide-With-CDROM-by-Jamie-Jaworski.pdf
    • http://kiteeearpdf.myhome.cx/5f214f216f215f218/Effective-Java-Programming-Language-Guide-by-Joshua-Bloch.pdf
    • http://kiteeearpdf.myhome.cx/6f216f218f211f217f217/Oracle-Certified-Professional-Java-SE-7-Programmer-Exams-1Z0-804-and-1Z0-805-A-Comprehensive-OCPJP-7-Certification-Guide-by-S-G-Ganesh.pdf
    • http://kiteeearpdf.myhome.cx/4f216f210f210f212f219/The-Practical-Guide-to-Trying-Not-to-Die-by-Sam-Schooler.pdf
    • http://kiteeearpdf.myhome.cx/1f219f219f211f216f212/Struts-amp-Frets-by-Jon-Skovron.pdf
    • http://kiteeearpdf.myhome.cx/3f214f212f216f210f217/Using-Econometrics-A-Practical-Guide-by-A-H-Studenmund.pdf
    • http://kiteeearpdf.myhome.cx/3f218f214f216f213f217/A-Practical-Guide-to-Racism-by-C-H-Dalton.pdf
    • http://kiteeearpdf.myhome.cx/4f218f219f216f214f213/Ramadan-A-Practical-Guide-by-Omar-Ali-Zafar.pdf
    • http://kiteeearpdf.myhome.cx/1f216f219f219f211f214/A-Practical-Guide-to-Faeries-by-Susan-J-Morris.pdf
    • http://kiteeearpdf.myhome.cx/4f211f217f215f213f211/A-Practical-Guide-to-Wizardry-by-Susan-J-Morris.pdf
    • http://kiteeearpdf.myhome.cx/1f218f216f214f216/Suit-Yourself-A-Practical-Guide-to-Men-s-Attire-by-Tim-Meehan.pdf
    • http://kiteeearpdf.myhome.cx/1f214f214f211f212f213/A-Practical-Guide-to-Dragons-by-Lisa-Trumbauer.pdf
    • http://kiteeearpdf.myhome.cx/3f212f210f218f215f215/The-Fifth-Agreement-A-Practical-Guide-to-Self-Mastery-by-Miguel-Ruiz.pdf
    • http://kiteeearpdf.myhome.cx/1f211f210f210f217f219f215/Environmental-Geophysics-A-Practical-Guide-by-Dieter-Vogelsang.pdf
    • http://kiteeearpdf.myhome.cx/1f210f211f217f214f219f212/Job-Coaches-for-Adults-with-Disabilities-A-Practical-Guide-by-21-11-2018.pdf
    • http://kiteeearpdf.myhome.cx/1f210f215f214f212f218f219/Grounded-Theory-A-Practical-Guide-by-Melanie-Birks.pdf
    • http://kiteeearpdf.myhome.cx/5f210f214f210f213f219/A-Book-For-Young-Programmers-On-Scratch-by-Denis-Golikov.pdf

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