Malicious PDF — malware analysis report

Static analysis result for SHA-256 8575be40472b6b96…

MALICIOUS

PDF

26.3 KB Created: 2019-05-02 17:40:57 +01:00 Authoring application: mPDF 5.7
MD5: 128e6c88871e2f8ce4d671f5702099dc SHA-1: 36e95b6148a09107a3aefbc0f0a7013745751df3 SHA-256: 8575be40472b6b96d09bc2677a933a69f747a318ae5ab60069096c95513ecfef
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 as a link farm. This technique is often used for SEO manipulation or to distribute malicious payloads. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/1f211f216f219f219f210f218/Latin-English-Confessions-With-Dictionary-Definitions-for-Every-Latin-Word-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/8f210f214f212f211f218/The-Confessions-Modern-English-Version-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/5f212f213f216f213f215/The-Confessions-of-Saint-Augustine-Confessions-of-St-Augustine-Image-Books-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/8f210f218f211f216f210/The-Confessions-of-Saint-Augustine-Annotated-Student-and-Teacher-Edition-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/8f217f213f213f211f214/Confessions-of-Saint-Augustine-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/6f215f213f214f212f219/The-Confessions-of-St-Augustine-Books-I-IX-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/3f219f217f213f212f210/The-Confessions-The-City-of-God-On-Christian-Doctrine-Great-Books-of-the-Western-World-18-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/9f210f218f219f216f213/Bacchae-Greek-Latin-and-English-by-Euripides.pdf
    • http://kiteeearpdf.myhome.cx/6f210f215f212f213f218/Les-confessions-dition-int-grale-13-livres-Religion-French-Edition-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/1f211f219f218f211f219f219/Studia-Patristica-Vol-XVIII-4---Augustine-Post-Nicene-Latin-Fathers-Orientalia-Nachleben-of-the-Fathers-by-Elizabeth-A-Livingstone.pdf
    • http://kiteeearpdf.myhome.cx/4f211f215f212f211f218/A-is-for-Arbol-The-English-Latin-Alphabet-Written-in-26-Foreign-Languages-by-Julio-R-Lopez-Jr-.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f217f213f217f216/Verse-and-Virtuosity-The-Adaptation-of-Latin-Rhetoric-in-Old-English-Poetry-by-Janie-Steen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f210f219f211f219f218/The-Enchiridion-on-Faith-Hope-and-Love-Augustine-Series-1-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/6f210f215f218f212f212/The-Poetics-Translated-from-Greek-Into-English-and-from-Arabic-Into-Latin-with-a-REV-Text-Introd-Commentary-Glossary-and-Onomasticon-by-Aristotle.pdf
    • http://kiteeearpdf.myhome.cx/4f211f213f211f217f214/A-Salute-to-Spanish-Poetry-100-Masterpieces-from-Spain-amp-Latin-America-Rendered-Into-English-Verse-by-John-Howard-Reid.pdf
    • http://kiteeearpdf.myhome.cx/1f211f210f219f214f210f217/The-Rule-of-Saint-Augustine-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/1f211f210f219f212f216f215/Soliloquies-Augustine-s-Inner-Dialogue-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/9f214f213f218f213f212/Dictionary-for-Automotive-Engineering-Dictionnaire-Du-Genie-Automobile-Worterbuch-Fur-Kraftfahrzeugtechnik-English-French-German-with-Explanations-of-French-and-German-Terms-Anglais-Francais-Allemand-Avec-Definitions-Des-Termes-Francais-Et-Allem-by-Jean-de-Coster.pdf
    • http://kiteeearpdf.myhome.cx/7f216f214f213f211/The-Trinity-by-Augustine-of-Hippo.pdf
    • http://kiteeearpdf.myhome.cx/1f210f215f211f214f216f213/Confesiones-by-Augustine-of-Hippo.pdf

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