Malicious PDF — malware analysis report

Static analysis result for SHA-256 0baec583bd4067ca…

MALICIOUS

PDF

16.1 KB Created: 2019-05-02 19:42:41 +01:00 Authoring application: mPDF 5.7
MD5: 6a75500369cc6f407f24f1c22de2d4ef SHA-1: aa41a5c1597a17c1c0e3f0ac4fef0d9eab45f24a SHA-256: 0baec583bd4067caca33db65f522f00b68c24453dfac6b508d5990644561f776
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 spam or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/9090098095094/A-Matter-of-Honor-by-Brittany-Young.pdf
    • http://loaminoo.linkpc.net/4093099090093/A-Matter-of-Honor-by-Jeffrey-Archer.pdf
    • http://loaminoo.linkpc.net/3091090098096094/Out-of-the-Shadows-by-Ann-Gimpel.pdf
    • http://loaminoo.linkpc.net/2092095097096097/Gabrielle-s-Cauldron-by-Ann-Gimpel.pdf
    • http://loaminoo.linkpc.net/3091090095090091/Forever-and-a-Day-The-Company-Store-2-by-Ann-Gimpel.pdf
    • http://loaminoo.linkpc.net/2095098098099096/Psyche-s-Search-Transformation-2-by-Ann-Gimpel.pdf
    • http://loaminoo.linkpc.net/4093095096091090/Miranda-s-Mate-The-Company-Store-1-by-Ann-Gimpel.pdf
    • http://loaminoo.linkpc.net/6098094092093090/Honor-1-Protect-Serve-Beat-Burn-Honor-1-by-Bill-Jemas.pdf
    • http://loaminoo.linkpc.net/2094091095092090/By-Honor-Bound-Two-Navy-SEALs-the-Medal-of-Honor-and-a-Story-of-Extraordinary-Courage-by-Tom-Norris.pdf
    • http://loaminoo.linkpc.net/2095099093091090/Echoes-of-Honor-Honor-Harrington-8-by-David-Weber.pdf
    • http://loaminoo.linkpc.net/3093095090095091/The-Honor-of-the-Queen-Honor-Harrington-2-by-David-Weber.pdf
    • http://loaminoo.linkpc.net/1094093098099092/The-Honor-of-Spies-Honor-Bound-5-by-W-E-B-Griffin.pdf
    • http://loaminoo.linkpc.net/2091099096099094/War-of-Honor-Honor-Harrington-10-by-David-Weber.pdf
    • http://loaminoo.linkpc.net/7097094090092/Honor-Student-Honor-1-by-Teresa-Mummert.pdf
    • http://loaminoo.linkpc.net/7096095092095096/Honor-and-Obey-Honor-3-by-Teresa-Mummert.pdf
    • http://loaminoo.linkpc.net/2093093092098095/A-Matter-of-Time-Book-II-A-Matter-of-Time-2-by-Mary-Calmes.pdf
    • http://loaminoo.linkpc.net/1090096097093094/Price-of-Honor-Honor-9-by-Radclyffe.pdf
    • http://loaminoo.linkpc.net/3095096096090092/Word-of-Honor-Honor-7-by-Radclyffe.pdf
    • http://loaminoo.linkpc.net/6099093093094096/Nuclear-Matter-in-Different-Phases-and-Transitions-Proceedings-of-the-Workshop-Nuclear-Matter-in-Different-Phases-and-Transitions-March-31-April-10-1998-Les-Houches-France-by-Jean-Paul-Blaizot.pdf
    • http://loaminoo.linkpc.net/2095095093091091/A-Matter-of-Time-Vol-2-A-Matter-of-Time-3-4-by-Mary-Calmes.pdf

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