Malicious PDF — malware analysis report

Static analysis result for SHA-256 62a6e1c9cc87770c…

MALICIOUS

PDF

21.3 KB Created: 2019-04-30 19:22:10 +01:00 Authoring application: mPDF 5.7
MD5: 7abe9e250becc5c82dfe5998fec61a77 SHA-1: 14921bf936abc5098c2431d5dffe624a0a69bf13 SHA-256: 62a6e1c9cc87770c86e1247fa5e3199c51e7cd8ad327b3a21d7493d438a8c2d1
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, hosted on a domain associated with SEO spam. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links and the suspicious domain suggest an attempt to direct users to potentially malicious content or to manipulate search engine rankings.

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://unieoooq.linkpc.net/54e84e74e34e64e7/Symposium-Phaedrus-by-Plato.pdf
    • http://unieoooq.linkpc.net/14e54e44e34e34e0/Symposium-The-Phaedrus-by-Plato.pdf
    • http://unieoooq.linkpc.net/34e94e54e44e14e7/Phaedrus-by-Plato.pdf
    • http://unieoooq.linkpc.net/34e14e74e34e84e4/The-Symposium-by-Plato.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e34e04e3/Symposium-of-Plato-by-Plato.pdf
    • http://unieoooq.linkpc.net/34e64e84e74e24e7/In-the-Footsteps-of-St-Paul-An-Academic-Symposium-Papers-Presented-at-the-Pauline-Symposium-October-10-17-2008-Under-the-Auspices-of-His-All-Ho-by-Pauline-Symposium.pdf
    • http://unieoooq.linkpc.net/64e34e14e94e4/The-Dialogues-of-Plato-vol-1-translated-into-English-with-Analyses-and-Introductions-in-Five-Volumes-by-Plato.pdf
    • http://unieoooq.linkpc.net/54e84e74e44e74e0/The-Dialogues-of-Plato-Volume-1-Euthyphro-Apology-Crito-Meno-Gorgias-Menexenus-by-Plato.pdf
    • http://unieoooq.linkpc.net/34e24e04e14e34e0/Atlantis-and-Syracuse---Did-Plato-s-experiences-on-Sicily-inspire-the-legend-A-study-on-Plato-s-later-political-writings-by-Gunnar-Rudberg.pdf
    • http://unieoooq.linkpc.net/54e74e24e14e04e3/The-Republic---Plato-With-Notes-Biography-Illustrated-by-Plato.pdf
    • http://unieoooq.linkpc.net/64e24e64e44e54e9/The-Republic-of-Plato-An-Ideal-Commonwealth-by-Plato.pdf
    • http://unieoooq.linkpc.net/64e64e94e04e74e8/Condition-Report-Symposium-on-Building-Art-Institutions-in-Africa-Etat-Des-Lieux-Symposium-Sur-La-Creation-D-Institutions-D-Art-En-Afrique-by-Koyo-Kouoh.pdf
    • http://unieoooq.linkpc.net/54e84e84e14e04e7/The-Republic-By-Plato---Illustrated-by-Plato.pdf
    • http://unieoooq.linkpc.net/14e14e34e94e84e04e4/The-Republic-of-Plato-2-Vols-by-Plato.pdf
    • http://unieoooq.linkpc.net/54e84e74e44e44e0/Plato-The-Complete-Works-by-Plato.pdf
    • http://unieoooq.linkpc.net/94e04e74e84e44e8/International-Symposium-On-Strangeness-And-Quark-Matter-Orthodox-Academie-Of-Krete-Kolymbari-Krete-Hellas-September-1-5-1994-by-International-Symposium-on-Strangeness-and-Quark-Matter-1st-1994-Orthodox-Academie-of-Krete-.pdf
    • http://unieoooq.linkpc.net/54e84e74e44e64e9/Alcibiades-I-by-Plato.pdf
    • http://unieoooq.linkpc.net/74e44e34e84e14e6/The-Republic-by-Plato.pdf
    • http://unieoooq.linkpc.net/54e84e74e44e64e4/Menexenus-by-Plato.pdf
    • http://unieoooq.linkpc.net/84e24e84e74e14e4/The-Republic-by-Plato.pdf

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