Malicious PDF — malware analysis report

Static analysis result for SHA-256 676766360905b8f6…

MALICIOUS

PDF

13.9 KB Created: 2019-05-01 13:03:20 +01:00 Authoring application: mPDF 5.7
MD5: 968cd00baee32be8a25504e9ab025f5d SHA-1: 0f3a3f917ebe4e6a7c6eade8a2f71f179aaf69cd SHA-256: 676766360905b8f621764033b78898a860e62b9ef0c888fc6c579327b39c3e5c
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, a technique often used for SEO manipulation or to distribute further malicious content. While the document body is heavily obfuscated, the presence of numerous links and the ML classifier's high confidence score indicate malicious intent. The primary attack pattern observed is the distribution of a large link farm, potentially as a lure or to host secondary payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/1090097092093098094/The-Good-Life-and-the-Greater-Good-in-a-Global-Context-by-Laura-Savu-Walker.pdf
    • http://loaminoo.linkpc.net/1097094091096092/All-Good-Things-The-Good-Life-2-by-Jodie-Beau.pdf
    • http://loaminoo.linkpc.net/8091093095095091/Marmaduke-It-s-A-Dog-s-Life-by-Brad-Anderson.pdf
    • http://loaminoo.linkpc.net/5094099090095/Startup-Life-Surviving-and-Thriving-in-a-Relationship-with-an-Entrepreneur-by-Brad-Feld.pdf
    • http://loaminoo.linkpc.net/9099095092095098/Missional-Essentials-A-Guide-for-Experiencing-God-s-Mission-in-Your-Life-by-Brad-amp-Ford-Brisco.pdf
    • http://loaminoo.linkpc.net/4091090092099097/Life-Sex-and-Ideas-The-Good-Life-Without-God-by-A-C-Grayling.pdf
    • http://loaminoo.linkpc.net/5098096094098091/Siberius-by-Kenneth-Cran.pdf
    • http://loaminoo.linkpc.net/5098096097091093/The-Garden-of-Experience-by-Marion-Cran.pdf
    • http://loaminoo.linkpc.net/5098096094097099/And-Miles-to-Go-Before-I-Sleep-by-Hugh-Cran.pdf
    • http://loaminoo.linkpc.net/1098097091098090/Do-You-Speak-American-by-William-Cran.pdf
    • http://loaminoo.linkpc.net/5098096095097096/The-Garden-of-Ignorance-by-Marion-Cran.pdf
    • http://loaminoo.linkpc.net/5098096097091098/Object-Lessons-in-French-Vol-2-by-Alec-Cran.pdf
    • http://loaminoo.linkpc.net/4091095091092096/Dr-Oz-The-Good-Life-by-Daphne-Nur-Oz.pdf
    • http://loaminoo.linkpc.net/7090092094099/The-Good-Life-by-Trip-Lee.pdf
    • http://loaminoo.linkpc.net/4097096098094/Life-is-So-Good-by-George-Dawson.pdf
    • http://loaminoo.linkpc.net/3090098095090094/Looking-for-the-Good-Life-by-Jayne-Hyatt.pdf
    • http://loaminoo.linkpc.net/4097097092098092/The-Good-Life-by-Tony-Bennett.pdf
    • http://loaminoo.linkpc.net/1094094093098093/The-Good-Life-by-Genevieve-Dewey.pdf
    • http://loaminoo.linkpc.net/3094099095093091/The-Good-Life-by-Martina-Cole.pdf
    • http://loaminoo.linkpc.net/5098096096094096/Object-Lessons-in-French-Volume-Book-3-by-Alexander-Cran.pdf

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