Malicious PDF — malware analysis report

Static analysis result for SHA-256 449611fec7f39468…

MALICIOUS

PDF

13.6 KB Created: 2019-05-02 01:01:35 +01:00 Authoring application: mPDF 5.7
MD5: 9e47fdfcf007d42d643e3b5ff736e203 SHA-1: 4ec7021cd53b60fd27d5a28a9975b8da376b0f45 SHA-256: 449611fec7f394681c66860aed02f933c298c8b7af677b09b9731b7362978a8f
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and the sheer volume of links suggest a malicious intent to redirect users to potentially harmful content.

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/1090098095095092090/Jen-Hancock-s-Handy-Humanism-Handbook-by-Jennifer-Hancock.pdf
    • http://loaminoo.linkpc.net/6099095099092098/Reminiscences-of-Winfield-Scott-Hancock-by-A-R-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095095097091/Hancock-On-Hancock-by-Michael-Doyle.pdf
    • http://loaminoo.linkpc.net/1090098095092096092/The-Divine-Spark-A-Graham-Hancock-Reader-by-Graham-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095093091095/Hancock-by-Freddie-Hancock.pdf
    • http://loaminoo.linkpc.net/3097092090091093/After-Always-by-Barbara-J-Hancock.pdf
    • http://loaminoo.linkpc.net/4097091090098091/Darkening-Around-Me-by-Barbara-J-Hancock.pdf
    • http://loaminoo.linkpc.net/5097095097099/The-Enclave-by-Karen-Hancock.pdf
    • http://loaminoo.linkpc.net/6094097098094097/Of-Sentimental-Value-by-Fumi-Hancock.pdf
    • http://loaminoo.linkpc.net/1097099096095094/Kept-in-the-Dark-by-Penny-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095095092098/A-Love-for-Life-by-Penny-Hancock.pdf
    • http://loaminoo.linkpc.net/3099093096095095/The-Mars-Mystery-by-Graham-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095095095099/Tony-Hancock-by-Philip-Oakes.pdf
    • http://loaminoo.linkpc.net/8091092090099096/Tabasco-the-Saucy-Raccoon-by-Lyn-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095096091091/Love-in-the-Lakes-by-Penny-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095095096095/Just-Good-Friends-by-Penny-Hancock.pdf
    • http://loaminoo.linkpc.net/3099092091094092/Roof-by-John-Gregory-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095096090098/English-Pronunciation-in-Use-Intermediate-by-Mark-Hancock.pdf
    • http://loaminoo.linkpc.net/2097095098094090/Three-Magic-Tales-by-John-Gregory-Hancock.pdf
    • http://loaminoo.linkpc.net/5090099090095095/Discovering-Monaro-A-Study-of-Man-s-Impact-on-His-Environment-by-W-K-Hancock.pdf
    • http://loaminoo.linkpc.net/1090098095096091091/Love-in-the-Lakes-by-Penny-Hanco

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