Malicious PDF — malware analysis report

Static analysis result for SHA-256 3401f92f5c48952e…

MALICIOUS

PDF

17.0 KB Created: 2019-05-07 08:26:30 +01:00 Authoring application: mPDF 5.7
MD5: 69a4a73e61d7715529781912c272b62d SHA-1: 267e074cfd9c6f65bf095b67cb1a9f35acc96ce4 SHA-256: 3401f92f5c48952e21ac39748e7aee1dc7bc2e0d5914f720fc8eebfdc7ee65ae
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on a dynamic DNS domain. This pattern is indicative of SEO poisoning or a link farm designed to drive traffic or distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://loaminoo.linkpc.net/8096092098096096/The-Caravaners-Mr-Skeffington-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092096096094/Elizabeth-von-Arnim-s-Collected-Works-The-Enchanted-April-The-Solitary-Summer-The-Benefactress-Vera-and-More-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092098095093/The-Classic-Works-of-Elizabeth-von-Arnim-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092096096092/Complete-Works-of-Elizabeth-von-Arnim-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092098095094/The-Essential-Elizabeth-Von-Arnim-Collection-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092097095093/5-Books-By-Elizabeth-von-Arnim-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092098099098/Elizabeth-and-her-German-Garden-The-Solitary-Summer-The-Enchanted-April-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/4094099097093/Elizabeth-and-Her-German-Garden-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092098094098/The-Ordeal-of-Elizabeth-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/2096094096091097/The-Caravaners-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8091098097096094/The-Enchanted-April-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/4093093098092095/The-Enchanted-April-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/7093096098091098/The-Enchanted-April-1923-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/9096096098095/Fraulein-Schmidt-and-Mr-Anstruther-by-Elizabeth-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092096096095/Ludwig-Achim-Von-Arnim-s-the-Novellas-of-1812-by-Achim-von-Arnim.pdf
    • http://loaminoo.linkpc.net/2095096092093098/The-Temptation-of-Elizabeth-Tudor-Elizabeth-I-Thomas-Seymour-and-the-Making-of-a-Virgin-Queen-by-Elizabeth-Norton.pdf
    • http://loaminoo.linkpc.net/8096092097095099/Achim-Von-Arnim-by-Roland-Hoermann.pdf
    • http://loaminoo.linkpc.net/1090092099093093098/Jahrbuch-Menschenrechte-2000-by-Gabriele-von-Arnim.pdf
    • http://loaminoo.linkpc.net/8096092098099097/Worterbuch-Der-Philosophischen-Begriffe-by-Arnim-Regenbogen.pdf
    • http://loaminoo.linkpc.net/8096092097096093/Al-Jahiz-A-Muslim-Humanist-for-our-Time-by-Arnim-Heinemann.pdf

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