Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3405025bee1b10b…

MALICIOUS

PDF

23.1 KB Created: 2019-05-02 17:35:53 +01:00 Authoring application: mPDF 5.7
MD5: 120bac063bf439a52ac303bd2f77eb39 SHA-1: 0443fd842d046f2fa89b09e0cac3c7fb0023e9ac SHA-256: b3405025bee1b10b1aa5f7c7e7a6af5a8d9d2862043039ec1df2c2a3c7187d5a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF documents hosted on a dynamic DNS domain. This behavior is indicative of an SEO poisoning or link farm attack, designed to drive traffic to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious. 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://cmeinasaoo.d
    • http://cmeinasaoo.duckdns.org/8b26b27b27b21b26/Rhymes-of-Love-by-Torquato-Tasso.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b25b28b21/Tasso-s-Dialogues-A-Selection-with-the-Discourse-on-the-Art-of-the-Dialogue-by-Torquato-Tasso.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b26b26b24/La-Vita-Di-Torquato-Tasso-by-Pierantonio-Serassi.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b25b28b23/Discourses-on-the-Heroic-Poem-by-Torquato-Tasso.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b26b26b20/The-Prudence-of-Torquato-Tasso-Vol-1-by-Nicholas-Webb.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b28b28b21/Torquato-Tasso-Melodramma-in-Tre-Atti-by-Gaetano-Donizetti.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b28b28b20/Einf-hrung-in-Goethe-s-Torquato-Tasso-by-Eduard-Wehrlin.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b27b21b27/Il-Viaggio-Del-Cavaliere-Gli-Inediti-Tassiani-Conchiglie-by-Torquato-Tasso.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b27b22b25/L-Aminta-Discorso-della-virt-feminile-e-donnesca-by-Torquato-Tasso.pdf
    • http://cmeinasaoo.duckdns.org/8b26b27b28b28b22/Plays-Egmont---Iphigenia-in-Tauris---Torquato-Tasso-by-Johann-Wolfgang-von-Goethe.pdf
    • http://cmeinasaoo.duckdns.org/7b24b20b29b20b22/Faust-I-dolori-del-giovane-Werther-Elegie-romane-Viaggio-in-Italia-Torquato-Tasso-Principii-di-filosofia-zoologica-e-anatomia-comparata-Sei-diverse-opere-con-illustrazioni-by-Johann-Wolfgang-von-Goethe.pdf
    • http://cmeinasaoo.duckdns.org/9b25b22b20b24b28/Dramatic-Works-of-Goethe-Comprising-Faust-Pt-1-Iphigenia-in-Tauris-Torquato-Tasso-Edmont-Tr-by-Anna-Swanwick-and-Goetz-Von-Berlichingen-Tr-by-Sir-Walter-Scott-and-Carefully-REV-by-Henry-G-Bohn-by-Walter-Scott.pdf
    • http://cmeinasaoo.duckdns.org/4b25b24b22b20/Light-on-Lucrezia-Lucrezia-Borgia-2-by-Jean-Plaidy.pdf
    • http://cmeinasaoo.duckdns.org/7b27b28b24b28b25/Reincarnation-of-Lucrezia-Borgia-by-Lisa-Love.pdf
    • http://cmeinasaoo.duckdns.org/5b28b27b21b20b22/War-amp-Love-Love-amp-War-New-and-Selected-Poems-New-and-Selected-Poems-by-Aharon-Shabtai.pdf
    • http://cmeinasaoo.duckdns.org/7b28b20b29b20/JOHN-DONNE-COMPLETE-WORKS-ULTIMATE-COLLECTION-All-Poems-Love-Poetry-Holy-Sonnets-Devotions-Meditations-English-Poems-Sermons-PLUS-BIOGRAPHIES-and-ANNOTATIONS-Annotated-by-John-Donne.pdf
    • http://cmeinasaoo.duckdns.org/1b20b21b24b29b25/A-Suffering-Soul-Dark-Love-Poems-Dark-Love-Poetry-Book-1-by-Darren-Heart.pdf
    • http://cmeinasaoo.duckdns.org/7b27b28b26b25b28/The-Second-Sister-by-Lucrezia-.pdf
    • http://cmeinasaoo.duckdns.org/7b27b28b26b24b29/Letters-From-Derbyshire-by-Lucrezia-.pdf
    • http://cmeinasaoo.duckdns.org/7b27b28b25b25b25/La-distanza-tra-me-e-te-by-Lucrezia-Scali.pdf