Malicious PDF — malware analysis report

Static analysis result for SHA-256 38f3886284f9c7b9…

MALICIOUS

PDF

28.0 KB Created: 2019-04-30 02:01:48 +01:00 Authoring application: mPDF 5.7
MD5: 96c92bf4832495b7decf11fe4b3bb74c SHA-1: a231056d90c4b7058fc15cb96f46ce60aa732316 SHA-256: 38f3886284f9c7b9cdf4ee5fc5586456516e099c7cbeee9f834637692c06c871
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links point to seemingly benign book titles, the sheer volume and the ML_NYX_PDF_MALICIOUS classification suggest a malicious intent, likely to manipulate search engine results or redirect users to harmful sites. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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://seasasac.lflinkup.com/7da6da4da8da4da5/Eat-that-Frog-21-Wege-um-sein-Zaudern-zu-berwinden-Whitebooks-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/8da3da4da7da6da4/Eat-That-Frog-How-to-Get-Everything-You-Wantfaster-Than-You-Ever-Thought-Possible-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/4da4da0da2da2da4/Eat-That-Frog-21-Great-Ways-to-Stop-Procrastinating-and-Get-More-Done-in-Less-Time-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/2da6da6da2da1da4/Eat-That-Frog-21-Great-Ways-to-Stop-Procrastinating-and-Get-More-Done-in-Less-Time-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/7da2da5da4da2/The-Frog-and-Toad-Treasury-Frog-and-Toad-are-Friends-Frog-and-Toad-Together-Frog-and-Toad-All-Year-Frog-and-Toad-1-3-by-Arnold-Lobel.pdf
    • http://seasasac.lflinkup.com/9da4da4da8da3da1/Negotiation-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/8da4da8da8da7da1/Get-Smart-How-to-Think-Decide-Act-and-Get-Better-Results-in-Everything-You-Do-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/8da2da0da4da5da7/Bull-s-Eye-The-Power-of-Focus-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/9da8da5da8da5da6/7-Wege-reich-zu-werden---7-Wege-arm-zu-werden-Das-etwas-andere-Buch-ber-Wirtschaft-by-Nikolaus-N-tzel.pdf
    • http://seasasac.lflinkup.com/3da3da0da5da0da4/Hire-and-Keep-the-Best-People-21-Practical-amp-Proven-Techniques-You-Can-Use-Immediately-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/3da3da0da2da8da7/The-Psychology-of-Selling-Increase-Your-Sales-Faster-and-Easier-Than-You-Ever-Thought-Possible-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/5da3da5da9da0da5/The-Power-of-Self-Confidence-Become-Unstoppable-Irresistible-and-Unafraid-in-Every-Area-of-Your-Life-by-Brian-Tracy.pdf
    • http://seasasac.lflinkup.com/1da1da1da4da9da4da7/Ed-Marsmallow-Auch-Held-sein-will-gelernt-sein-Secrets-of-the-Dragon-Tomb-1-by-Patrick-Samphire.pdf
    • http://seasasac.lflinkup.com/5da0da5da4da6da7/The-Frog-Princess-Returns-The-Tales-of-the-Frog-Princess-9-by-E-D-Baker.pdf
    • http://seasasac.lflinkup.com/1da5da4da3da5/Frog-and-Toad-Are-Friends-Frog-and-Toad-1-by-Arnold-Lobel.pdf
    • http://seasasac.lflinkup.com/1da1da4da7da1da4da2/Denkspiele-Fitness-bungen-f-r-helle-K-pfe-Whitebooks-by-Ines-Moser-Will.pdf
    • http://seasasac.lflinkup.com/1da1da8da6da0da7da6/Fionas--Wege-quot-Die-Germanen---Die-Geschichte-quot-Fionas--Wege-quot-Die-Germanen---Wir-wollen-Erinnern-und-Bewahren-quot-1-by-Dennis-Walter.pdf
    • http://seasasac.lflinkup.com/9da8da1da6da3da4/Intelligente-Wissens-Spiele-Spielen-macht-klug-Whitebooks-by-Vera-F-Birkenbihl.pdf
    • http://seasasac.lflinkup.com/1da0da3da0da8da7da5/Selbstcoaching-f-r-Frauen-Stark-sympathisch-und-erfolgreich-in-Beruf-und-Privatleben-Whitebooks-by-Cornelia-Topf.pdf
    • http://seasasac.lflinkup.com/7da4da4da4da2da4/Herr-Wolke-und-sein-Freund-Alfons-Vanille-Nudeln-amp-ein-Geistesblitz-Ein-Abenteuer-Kochbuch-Herr-Wolke-amp-sein-Freund-Alfons-Schuhbeck-3-by-Rolf-Barth.pdf
    • http://seasasac.lflinkup.com/7da2da5da4da2/The-Frog-and-Toad-Treasur

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