Malicious PDF — malware analysis report

Static analysis result for SHA-256 63b8c862f2148768…

MALICIOUS

PDF

19.2 KB Created: 2019-09-06 17:39:33 +01:00 Authoring application: mPDF 5.7
MD5: c2251f06f6fe6f6ec0758d7c813a6592 SHA-1: 54e70189645656cbec155c53771841b2b21c3cc7 SHA-256: 63b8c862f21487688c1b5a2bbeecb428ef06835a4c953d6c5bf35b7d7805a85b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, masquerading as academic texts. This technique is often used to drive traffic to malicious sites or to distribute further malware. The ML classifier also flagged this PDF as malicious.

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://cefasfese.4pu.com/5733735732738738/Three-Reformers-Luther-Descartes-Rousseau-by-Jacques-Maritain.pdf
    • http://cefasfese.4pu.com/7736736739738736/Discourse-on-the-Origin-and-Foundations-of-Inequality-among-Men-by-Jean-Jacques-Rousseau-with-Related-Documents-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5733735730736736/The-Confessions-of-Jean-Jacques-Rousseau-3-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/1731736735731732738/Confessioni-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5738738736737737/Le-Citoyen-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/1731737733730737731/A-Discourse-on-Inequality-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5734730730738732/Du-contrat-social-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/3735739730735732/On-the-Social-Contract-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/4734734734737/The-Social-Contract-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5733734739737736/The-Basic-Political-Writings-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/4739731737739737/The-Social-Contract-amp-Other-Later-Political-Writings-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/6731730736735738/Social-Contract-Discours-Godwit-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5733735730737739/The-Discourses-amp-Other-Early-Political-Writings-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/1731737733732730735/The-Solitary-Self-Jean-Jacques-Rousseau-in-Exile-and-Adversity-by-Maurice-Cranston.pdf
    • http://cefasfese.4pu.com/5739734735732739/discours-sur-l-origine-et-les-fondements-de-l-in-galit-parmi-les-hommes-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5735733735736735/The-Social-Contract-FREE-Leviathan-By-Thomas-Hobbes-100-Formatted-Illustrated---JBS-Classics-100-Greatest-Novels-of-All-Time-Book-67-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5733735732739731/Jean-Jacques-Rousseau-Transparency-and-Obstruction-by-Jean-Starobinski.pdf
    • http://cefasfese.4pu.com/5735734737734738/Discours-sur-l-origine-et-les-fondements-de-l-in-galit-parmi-les-hommes-pr-c-d-du-Discours-sur-les-sciences-et-les-arts-by-Jean-Jacques-Rousseau.pdf
    • http://cefasfese.4pu.com/5733736737739735/The-Geometry-of-Ren-Descartes-with-a-Facsimile-of-the-First-Edition-by-Ren-Descartes.pdf
    • http://cefasfese.4pu.com/7738731739731733/Luther-s-Fortress-Martin-Luther-and-His-Reformation-Under-Siege-by-James-Reston-Jr-.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.