Malicious PDF — malware analysis report

Static analysis result for SHA-256 09af9a9cae605715…

MALICIOUS

PDF

14.3 KB Created: 2019-05-02 01:24:50 +01:00 Authoring application: mPDF 5.7
MD5: 862c836e2f7f798ff1667bff022b2f4c SHA-1: 4399cf24a7e4078b5c354130faf1341bb8297adf SHA-256: 09af9a9cae6057150854c0940f8a206c2ce50e8c6f2e7cc3be15b1ce771429a7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external URLs, a technique often used for SEO manipulation or to host malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure suggests potential for embedded JavaScript, which could be used to automate URL access or exploit vulnerabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/3096091097096094/Death-of-an-Old-Girl-Pollard-amp-Toye-1-by-Elizabeth-Lemarchand.pdf
    • http://loaminoo.linkpc.net/2097098099093097/Troubled-Waters-Pollard-amp-Toye-13-by-Elizabeth-Lemarchand.pdf
    • http://loaminoo.linkpc.net/5098099099091094/Burundi-Ethnic-Conflict-and-Genocide-by-Rene-Lemarchand.pdf
    • http://loaminoo.linkpc.net/1092098093095090/Entice-Me-by-Melanie-Toye.pdf
    • http://loaminoo.linkpc.net/2092091093091090/Debtor-s-Chip-Devin-by-H-R-Toye.pdf
    • http://loaminoo.linkpc.net/3095092097091098/Blood-Moon-Chronicles-by-Cody-Toye.pdf
    • http://loaminoo.linkpc.net/2091099092098091/Just-Another-Girl-by-Elizabeth-Eulberg.pdf
    • http://loaminoo.linkpc.net/1096091091097090/The-Journey-The-Adventures-of-Zorza-the-Alien-1-by-Cody-Toye.pdf
    • http://loaminoo.linkpc.net/3091094098096096/The-Color-of-Death-by-Elizabeth-Lowell.pdf
    • http://loaminoo.linkpc.net/7092092092090/Date-with-Death-Charmed-14-by-Elizabeth-Lenhard.pdf
    • http://loaminoo.linkpc.net/4098098090095096/Death-of-a-Duchess-Sigismondo-1-by-Elizabeth-Eyre.pdf
    • http://loaminoo.linkpc.net/1099094099099091/Death-Becomes-Me-Call-Me-Grim-2-by-Elizabeth-Holloway.pdf
    • http://loaminoo.linkpc.net/3097090092095092/The-Time-Slip-Girl-by-Elizabeth-Andre.pdf
    • http://loaminoo.linkpc.net/4099096097096091/The-Girl-in-the-Glass-Tower-by-Elizabeth-Fremantle.pdf
    • http://loaminoo.linkpc.net/3091095094097098/Death-Echo-St-Kilda-Consulting-5-by-Elizabeth-Lowell.pdf
    • http://loaminoo.linkpc.net/9090092099095099/Tempting-Death-The-Grim-Trilogy-1-by-Elizabeth-Holloway.pdf
    • http://loaminoo.linkpc.net/1091095093097091091/Death-by-Scones-Danger-Cove-3-by-Elizabeth-Ashby.pdf
    • http://loaminoo.linkpc.net/4093095094092/Death-and-the-Single-Girl-Bennett-6-by-Elliott-Lewis.pdf
    • http://loaminoo.linkpc.net/9096097094096091/Death-Will-Extend-Your-Vacation-Bruce-Kohler-3-by-Elizabeth-Zelvin.pdf
    • http://loaminoo.linkpc.net/9096097095090093/Death-Will-Save-Your-Life-Bruce-Kohler-4-by-Elizabeth-Zelvin.pdf

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