Malicious PDF — malware analysis report

Static analysis result for SHA-256 db0ad01221d923ea…

MALICIOUS

PDF

20.9 KB Created: 2019-05-02 17:47:43 +01:00 Authoring application: mPDF 5.7
MD5: 1d53ef6bbabb63d55575886483cfd166 SHA-1: 46a2169cd690c3f4d5831c239e92088511ba118d SHA-256: db0ad01221d923ea553269bf3d5dc4610ff471232f8dd73cb9b1d0d6254dbaae
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, primarily hosted on the 'loaminoo.linkpc.net' domain. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/1090090090098097095/Physics-for-the-Ib-Diploma-Exam-Preparations-Guide-by-K-A-Tsokos.pdf
    • http://loaminoo.linkpc.net/1090090090098094090/Physics-for-the-Ib-Diploma-Coursebook-by-K-A-Tsokos.pdf
    • http://loaminoo.linkpc.net/1090090090098094091/Physics-for-the-Ib-Diploma-Coursebook-Enhanced-Digital-Edition-by-K-A-Tsokos.pdf
    • http://loaminoo.linkpc.net/6092090091098099/A-Guide-to-Physics-Problems-Part-2-Thermodynamics-Statistical-Physics-and-Quantum-Mechanics-by-Sidney-B-Cahn.pdf
    • http://loaminoo.linkpc.net/1090094096090096093/Psychology-for-the-Ib-Diploma-Study-Guide-by-Jette-Hannibal.pdf
    • http://loaminoo.linkpc.net/1091095092097096097/Registered-Dietitian-Exam-Secrets-Study-Guide-Dietitian-Test-Review-For-The-Registered-Dietitian-Exam-by-Dietitian-Exam-Secrets.pdf
    • http://loaminoo.linkpc.net/6095091095099091/Exam-Study-Guide-for-Vet-Techs-by-Blais.pdf
    • http://loaminoo.linkpc.net/7098097093097093/MEF-CECP-Exam-Study-Guide-by-Jon-Kieffer.pdf
    • http://loaminoo.linkpc.net/7098097093095094/MEF-CECP-2-0-Exam-Study-Guide-by-Jon-Kieffer.pdf
    • http://loaminoo.linkpc.net/1090090098090091095/Reference-Guide-For-Pharmacy-Technician-Exam-by-Manan-Shroff.pdf
    • http://loaminoo.linkpc.net/7097092097094094/The-PMA-Pilates-Certification-Exam-Study-Guide-by-Deborah-Lessen.pdf
    • http://loaminoo.linkpc.net/8091097095096094/Une-Tempete--Study-Guide-for-the-AP-French-Literature-Exam-by-Lison-Baselis-Bitoun.pdf
    • http://loaminoo.linkpc.net/3098094094091097/Biology-GCSE-Exam-Board-OCR-21st-Century-The-Revision-Guide-by-Richard-Parsons.pdf
    • http://loaminoo.linkpc.net/9091096099097094/McSa-MCSE-Exchange-Server-2003-Implementation-and-Management-Study-Guide-Exam-70-284-by-Will-Schmied.pdf
    • http://loaminoo.linkpc.net/1090090098093092093/Reference-Guide-For-Pharmacy-Licensing-Exam-Questions-and-Answers-Second-Edition-for-NAPLEX-by-Manan-Shroff.pdf
    • http://loaminoo.linkpc.net/9091096099097095/MCSA-MCSE-Planning-Implementing-and-Maintaining-a-Microsoft-Windows-Server-2003-Environment-Exam-Cram-2-Exam-Cram-70-296-by-Will-Schmied.pdf
    • http://loaminoo.linkpc.net/8092095094092098/The-Manga-Guide-to-Physics-by-Hideo-Nitta.pdf
    • http://loaminoo.linkpc.net/1090090098093093095/2017-2018-Edition-Reference-Guide-for-Foreign-Pharmacy-Licensing-Exam---1200-Questions-amp-Answers-by-Manan-Shroff.pdf
    • http://loaminoo.linkpc.net/6091097094095/Fear-of-Physics-A-Guide-for-the-Perplexed-by-Lawrence-M-Krauss.pdf
    • http://loaminoo.linkpc.net/5098094093093092/Pmp-Exam-Prep-Rita-s-Course-in-a-Book-for-Passing-the-Pmp-Exam-by-Rita-Mulcahy.pdf
    • http://loaminoo.linkpc.net/1091095092097096097/Registered-Dietitian-Exam-Secrets-Study-Guide-Dietitian-Test-Review-For-The-Registered-Dietitian-Exam-by-Dietitia