Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b024aaa6d4f7bac…

MALICIOUS

PDF

19.4 KB Created: 2020-03-15 22:17:39 +00:00 Authoring application: mPDF 5.7
MD5: d3977085116281d20258b32d3df97325 SHA-1: ab0c3335a9a0487106374b1cb4d87f5bcd75cd19 SHA-256: 2b024aaa6d4f7bac18bb90e16308bef3ae144622c36271e0fc736bb231cea32a
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the PDF structure itself is the primary indicator of malicious intent. The embedded URLs are the highest priority IOCs.

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://laoieoa.myhome.cx/4c02c08c02c09c05/Mistresses-of-King-George-IV-by-M-J-Levy.pdf
    • http://laoieoa.myhome.cx/9c03c08c08c06c08/Levy-Matters-III-Levy-Type-Processes-Construction-Approximation-and-Sample-Path-Properties-by-Bj-rn-B-ttcher.pdf
    • http://laoieoa.myhome.cx/1c05c04c08c05c05/The-Never-King-by-George-Tyson.pdf
    • http://laoieoa.myhome.cx/8c02c07c05c08c09/The-Rupture-by-George-C-King.pdf
    • http://laoieoa.myhome.cx/4c03c02c09c00c09/Sexy-in-Sarasota-Sun-Coast-mysteries-2-by-George-C-King.pdf
    • http://laoieoa.myhome.cx/3c07c05c06c02c01/Sixty-In-Sarasota-Sun-Coast-mysteries-1-by-George-C-King.pdf
    • http://laoieoa.myhome.cx/9c05c09c06c03/Knowing-Darkness-Artists-Inspired-by-Stephen-King-by-George-Beahm.pdf
    • http://laoieoa.myhome.cx/4c02c08c02c09c07/The-Mistresses-of-Charles-II-by-Brian-Masters.pdf
    • http://laoieoa.myhome.cx/3c05c02c03c02c06/For-Her-Spy-Only-Masquerading-Mistresses-2-by-Robyn-DeHart.pdf
    • http://laoieoa.myhome.cx/4c02c03c07c08c02/Queens-and-Mistresses-of-Renaissance-France-by-Kathleen-Wellman.pdf
    • http://laoieoa.myhome.cx/4c01c00c09c07c05/Mistress-of-Mistresses-A-Vision-of-Zimiamvia-The-Zimiamvian-Trilogy-1-by-E-R-Eddison.pdf
    • http://laoieoa.myhome.cx/4c02c08c02c09c04/Mistresses-True-Stories-of-Seduction-Power-and-Ambition-by-Leigh-Eduardo.pdf
    • http://laoieoa.myhome.cx/4c02c08c02c09c09/Royal-Mistresses-And-Bastards-Fact-And-Fiction-1714-1936-by-Anthony-John-Camp.pdf
    • http://laoieoa.myhome.cx/4c02c08c00c00c00/Royal-Mistresses-of-the-House-of-Hanover-Windsor-Secrets-Scandals-and-Betrayals-by-Susanna-de-Vries.pdf
    • http://laoieoa.myhome.cx/6c02c08c01c08c03/The-King-of-Trees-Three-Novellas-The-King-of-Trees-The-King-of-Chess-The-King-of-Children-by-Ah-Cheng.pdf
    • http://laoieoa.myhome.cx/2c01c03c04c09c00/The-Kings-Mistresses-The-Liberated-Lives-of-Marie-Mancini-Princess-Colonna-and-Her-Sister-Hortense-Duchess-Mazarin-by-Elizabeth-C-Goldsmith.pdf
    • http://laoieoa.myhome.cx/4c02c07c09c08c00/The-Sisters-of-Versailles-The-Mistresses-of-Versailles-Trilogy-1-by-Sally-Christie.pdf
    • http://laoieoa.myhome.cx/6c04c06c04c08c04/The-Rivals-of-Versailles-The-Mistresses-of-Versailles-Trilogy-2-by-Sally-Christie.pdf
    • http://laoieoa.myhome.cx/4c00c05c00c04c01/The-Sisters-of-Versailles-The-Mistresses-of-Versailles-Trilogy-1-by-Sally-Christie.pdf
    • http://laoieoa.myhome.cx/5c03c08c09c03c06/Nothing-Serious-by-Justine-L-vy.pdf

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