Malicious PDF — malware analysis report

Static analysis result for SHA-256 67eaba6ff1c70487…

MALICIOUS

PDF

27.6 KB Created: 2019-05-02 08:22:03 +01:00 Authoring application: mPDF 5.7
MD5: 91b1563997311f3b58887db67ed5e3cb SHA-1: 38dc1f915400a8f1bca2e7cf982f8ca79cb633f3 SHA-256: 67eaba6ff1c704878f9bf17515ed0f7d6ffcd0324fa8782699751b28c3fdcbdc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm that directs users to download other PDFs. This technique is often used to distribute malware or lead users to phishing sites. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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/5095098096094097/Business-Communication-by-Harvard-Business-School-Press.pdf
    • http://loaminoo.linkpc.net/1090092099092099/Ahead-of-the-Curve-Two-Years-at-Harvard-Business-School-by-Philip-Delves-Broughton.pdf
    • http://loaminoo.linkpc.net/1091094095099095097/HBR-s-10-Must-Reads-on-Teams-by-Harvard-Business-Review.pdf
    • http://loaminoo.linkpc.net/6093098092096094/Harvard-Business-Review-on-Change-by-Richard-Tanner-Pascale.pdf
    • http://loaminoo.linkpc.net/3093090097094098/MBA-2-0-Things-You-Won-t-Learn-in-Business-School-Best-Business-Books-Book-1-by-Can-Akdeniz.pdf
    • http://loaminoo.linkpc.net/1090091096096095092/Say-Good-Night-to-Insomnia-The-Six-Week-Drug-Free-Program-Developed-At-Harvard-Medical-School-by-Gregg-D-Jacobs.pdf
    • http://loaminoo.linkpc.net/8093099091095097/Perdendo-o-Controle-S-rie-Perdendo-o-Controle-Livro-1-by-R-K-Lilley.pdf
    • http://loaminoo.linkpc.net/7097094092099096/Illustrated-Catalogue-of-the-Museum-of-Comparative-Zo-logy-at-Harvard-College-Issue-4-by-Harvard-University-Museum-of-Comparativ.pdf
    • http://loaminoo.linkpc.net/6098093094097096/Digital-and-Analog-Fiber-Optic-Communications-for-CATV-and-FTTx-Applications-SPIE-Press-Monograph-Vol-PM174-Press-Monograph-Spie-Press-Monograph-by-Avigdor-Brillant.pdf
    • http://loaminoo.linkpc.net/7095098098094099/Terra-Tempo-The-Four-Corners-of-Time-Terra-Tempo-2-by-David-Shapiro.pdf
    • http://loaminoo.linkpc.net/3093090097094092/CEO-School-Collective-Wisdom-of-TOP-CEOs-Best-Business-Books-Book-7-by-Can-Akdeniz.pdf
    • http://loaminoo.linkpc.net/7097094092099097/Illustrated-Catalogue-of-the-Museum-of-Comparative-Zoology-at-Harvard-College-Issue-4-by-Harvard-University-Museum-of-Comparative-Zoology.pdf
    • http://loaminoo.linkpc.net/8099091098091090/Der-Real-Life-MBA-Wie-Sie-auch-ohne-Business-School-alles-ber-gewinnen-Teams-und-Karriere-lernen-by-Jack-Welch.pdf
    • http://loaminoo.linkpc.net/7097099096092098/Salon-School-How-to-Survive-in-the-Salon-Business-by-Jeff-Grissler.pdf
    • http://loaminoo.linkpc.net/1091091093091096098/The-Jewish-Press---A-Gevalt-from-the-Torah-True-An-Examination-of-the-Concepts-Holocaust-and-Israel-in-the-American-Jewish-Newspaper-the-Jewish-Press-by-Sahra-L-Lindeberg.pdf
    • http://loaminoo.linkpc.net/4092091098097097/Entrepreneurship-The-Online-Money-Factory---Online-Business-Home-Business-amp-Business-Startup-by-Brian-Windley.pdf
    • http://loaminoo.linkpc.net/6090099092096/Birth-of-a-Psychedelic-Culture-Conversations-about-Leary-the-Harvard-Experiments-Millbrook-and-the-Sixties-Conversations-about-Leary-the-Harvard-Experiments-Millbrook-and-the-Sixties-by-Ram-Dass.pdf
    • http://loaminoo.linkpc.net/1090091090094098092/The-effectiveness-of-a-government-high-technology-small-business-program-within-a-small-business-incubator-A-case-study-in-government-university-and-business-collaboration-by-Anila-Nandkishore-Strahan.pdf
    • http://loaminoo.linkpc.net/8093099093090094/Controle-geven-of-nemen-by-Infodrome.pdf
    • http://loaminoo.linkpc.net/5097097094093092/Sur-ta-peau---tome-2-Perdre-le-contr-le-by-J-Kenner.pdf

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