Malicious PDF — malware analysis report

Static analysis result for SHA-256 772eb44262b947c2…

MALICIOUS

PDF

23.8 KB Created: 2019-05-03 05:11:50 +01:00 Authoring application: mPDF 5.7
MD5: ae1ed73a0c5de9649cae1e4a9bf7ee4a SHA-1: fcf55601b5444b0b14d9cde6ee545b22ac2ac34a SHA-256: 772eb44262b947c2887feed21bd9e05a1b05428fc30b3913b25927a63c5f3d4a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs likely serve to manipulate search engine results or redirect users to malicious content, and the document body contains obfuscated references to these URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/9f212f214f215f212f210/In-Transition-Adult-Higher-Education-Governance-in-Private-Institutions-New-Directions-for-Higher-Education-Number-159-by-J-Richard-Ellis.pdf
    • http://kiteeearpdf.myhome.cx/9f212f214f215f216f218/In-Transition-Adult-Higher-Education-Governance-in-Private-Institutions-New-Directions-for-Higher-Education-Number-159-by-J-Richard-Ellis.pdf
    • http://kiteeearpdf.myhome.cx/2f215f216f218f211f219/The-Tyranny-of-the-Meritocracy-Democratizing-Higher-Education-in-America-by-Lani-Guinier.pdf
    • http://kiteeearpdf.myhome.cx/6f211f215f212f215f219/Selling-Higher-Education-Marketing-and-Advertising-America-s-Colleges-and-Universities-by-Eric-J-Anctil.pdf
    • http://kiteeearpdf.myhome.cx/1f210f217f214f212f216f219/Diversification-Of-European-Systems-Of-Higher-Education-Studies-In-Comparative-Education-Bd-3-by-Claudius-Gellert.pdf
    • http://kiteeearpdf.myhome.cx/2f217f210f218f210f218/Higher-Education-101-by-Osamede-Arhunmwunde.pdf
    • http://kiteeearpdf.myhome.cx/1f210f219f215f212f212f219/A-Higher-Education-by-Harper-Bliss.pdf
    • http://kiteeearpdf.myhome.cx/1f210f219f215f213f214f218/Neoliberalism-s-War-on-Higher-Education-by-Henry-A-Giroux.pdf
    • http://kiteeearpdf.myhome.cx/1f210f218f217f210f212f211/Higher-Education-Open-for-Business-by-Christian-Gilde.pdf
    • http://kiteeearpdf.myhome.cx/1f210f219f215f212f213f213/The-Higher-Education-Bubble-by-Glenn-Harlan-Reynolds.pdf
    • http://kiteeearpdf.myhome.cx/4f216f212f216f216f216/A-History-of-American-Higher-Education-by-John-R-Thelin.pdf
    • http://kiteeearpdf.myhome.cx/4f216f215f214f219f219/Organization-and-Governance-in-Higher-Education-by-M-Christopher-Brown-II.pdf
    • http://kiteeearpdf.myhome.cx/2f215f211f217f216f216/Fail-U-The-False-Promise-of-Higher-Education-by-Charles-J-Sykes.pdf
    • http://kiteeearpdf.myhome.cx/1f210f218f218f211f217f210/Learning-Analytics-Implications-for-Higher-Education-by-Wolfgang-Greller.pdf
    • http://kiteeearpdf.myhome.cx/7f219f217f214f219f213/Management-Fads-in-Higher-Education-Where-They-Come-From-What-They-Do-Why-They-Fail-by-Robert-Birnbaum.pdf
    • http://kiteeearpdf.myhome.cx/1f210f219f215f213f214f214/The-Innovative-University-Changing-the-DNA-of-Higher-Education-from-the-Inside-Out-by-Clayton-M-Christensen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f219f215f213f211f215/Digital-Diploma-Mills-The-Automation-of-Higher-Education-by-David-F-Noble.pdf
    • http://kiteeearpdf.myhome.cx/9f212f214f213f216f217/In-Transition-Adult-Higher-Education-Governance-in-Private-Institutions-by-Stephen-D-Holtrop.pdf
    • http://kiteeearpdf.myhome.cx/7f215f219f214f219f210/College-Unbound-The-Future-of-Higher-Education-and-What-It-Means-for-Students-by-Jeffrey-J-Selingo.pdf
    • http://kiteeearpdf.myhome.cx/9f212f217f218f219f214/Higher-Education-in-Transition-A-History-of-American-Colleges-and-Universities-by-John-Seiler-Brubacher.pdf