Malicious PDF — malware analysis report

Static analysis result for SHA-256 90c35afcd963da54…

MALICIOUS

PDF

14.3 KB Created: 2019-05-03 20:39:17 +01:00 Authoring application: mPDF 5.7
MD5: d995485fca1a85dc3299adc58e9a3e86 SHA-1: 62be99efe884f62d7655ecad4d438730fa8cd1d6 SHA-256: 90c35afcd963da5470b696e77e02dffe5e45df449282b92acf0852820ce37bce
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, a technique often used for SEO manipulation or to host malicious content. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the PDF structure and link farm heuristic indicate a likely attempt to lure users to external, potentially harmful, resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/4095097099093099/Loving-Charley-Full-Circle-3-by-Casey-Peeler.pdf
    • http://loaminoo.linkpc.net/1097097095095090/Finding-Charley-Full-Circle-2-by-Casey-Peeler.pdf
    • http://loaminoo.linkpc.net/1097092093093094/Crashing-Tides-by-Casey-Peeler.pdf
    • http://loaminoo.linkpc.net/3092098091094093/Circle-of-Nine-Novella-Collection-Circle-of-Nine-Series-2-by-Valerie-Biel.pdf
    • http://loaminoo.linkpc.net/3095090096098097/The-Circle-Series-in-One-Epic-Edition-The-Circle-0-3-by-Ted-Dekker.pdf
    • http://loaminoo.linkpc.net/4093095097097093/Full-Circle-by-Irina-Serban.pdf
    • http://loaminoo.linkpc.net/3097091098095091/Everything-Comes-Full-Circle-by-Jeff-Trelewicz.pdf
    • http://loaminoo.linkpc.net/5093091097093/The-Full-Circle-by-Namrata-Gupta.pdf
    • http://loaminoo.linkpc.net/4097092095095092/Full-Circle-Sanctuary-5-by-R-J-Scott.pdf
    • http://loaminoo.linkpc.net/4091099095094/Full-Circle-by-Michael-Palin.pdf
    • http://loaminoo.linkpc.net/2093094095098095/Deadly-Notions-A-Southern-Sewing-Circle-4-by-Elizabeth-Lynn-Casey.pdf
    • http://loaminoo.linkpc.net/4098098095094090/Death-Threads-A-Southern-Sewing-Circle-2-by-Elizabeth-Lynn-Casey.pdf
    • http://loaminoo.linkpc.net/5098090097093/The-Cain-Casey-Series-Volume-1-Cain-Casey-1-3-by-Ali-Vali.pdf
    • http://loaminoo.linkpc.net/9097098090090091/Full-Circle-Sundered-Lands-6-by-Allan-Frewin-Jones.pdf
    • http://loaminoo.linkpc.net/3096092097098099/Full-Circle-A-Journey-of-Faith-and-Flyfishing-by-April-Conrad.pdf
    • http://loaminoo.linkpc.net/5090095096094096/Batgirl-and-the-Birds-of-Prey-Vol-3-Full-Circle-by-Julie-Benson.pdf
    • http://loaminoo.linkpc.net/4095099099099098/Full-Circle-A-South-American-Journey-by-Luis-Sep-lveda.pdf
    • http://loaminoo.linkpc.net/3090090092098093/Full-Circle-An-Olympic-Champion-Shares-His-Breakthrough-Story-by-Dan-Jansen.pdf
    • http://loaminoo.linkpc.net/6094093093096/Full-Circle-A-True-Story-of-Murder-Lies-and-Vindication-by-Gloria-Killian.pdf
    • http://loaminoo.linkpc.net/3094095092091096/The-Sister-Circle-The-Sister-Circle-Series-1-by-Vonette-Bright.pdf

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