Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc56db4c6f8ed0b7…

MALICIOUS

PDF

14.9 KB Created: 2019-05-02 06:49:17 +01:00 Authoring application: mPDF 5.7
MD5: 0ce5313e1feb5b6353a46ac7a04c115e SHA-1: ea495750fedd44242bd1e1870c88f561af4d3b8f SHA-256: bc56db4c6f8ed0b77b0c1a52c8dc2a11c7fef8705126767612861205ae72186f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which suggests a link farm or SEO poisoning attempt. While the URLs themselves are currently classified as benign, the sheer volume and the ML classifier's high confidence score indicate malicious intent. The embedded URLs are likely used to direct users to malicious sites or to manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/7094098091094096/Parsons-Designers-The-School-of-Fashion-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098094090094/Fashion-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7099095094091097/Dream-Draw-Design-My-Fashion-A-Sketchbook-for-Artists-Designers-and-Fashionistas-by-Bijou-Karman.pdf
    • http://loaminoo.linkpc.net/1097098092097094/Shojo-Fashion-Manga-Art-School-How-to-Draw-Cool-Looks-and-Characters-by-Irene-Flores.pdf
    • http://loaminoo.linkpc.net/1091096096097094099/Fashion-Zeitgeist-Trends-and-Cycles-in-the-Fashion-System-by-Barbara-Vinken.pdf
    • http://loaminoo.linkpc.net/4093092094094094/Crimes-of-Fashion-Three-Women-One-Fashion-Empire-Six-Claws-by-Jonathan-Soroff.pdf
    • http://loaminoo.linkpc.net/1090093097093091098/50s-Fashion-Vintage-Fashion-and-Beauty-Ads-by-Jim-Heimann.pdf
    • http://loaminoo.linkpc.net/8097090098094095/CSS3-For-Web-Designers-by-Dan-Cederholm.pdf
    • http://loaminoo.linkpc.net/7097096092098095/Sass-and-Compass-for-Designers-by-Ben-Frain.pdf
    • http://loaminoo.linkpc.net/8091092091091091/JavaScript-For-Web-Designers-A-Book-Apart-20-by-Mat-Marquis.pdf
    • http://loaminoo.linkpc.net/7092093092093097/Fabrication-The-Designers-Guide-by-Peter-Silver.pdf
    • http://loaminoo.linkpc.net/7094098094093092/Art-amp-Design-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098092097095/Les-Must-de-Cartier-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098094092094/Leather-by-Assouline.pdf
    • http://loaminoo.linkpc.net/1090098093090095090/Nordic-Graphic-Designers-by-Frida-Brismar-P-lsson.pdf
    • http://loaminoo.linkpc.net/7094098094093094/Big-Book-of-The-Hamptons-The-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098092097099/Cabinet-de-Curiosites-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098091094094/The-Big-Book-of-the-Hamptons-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098092097090/Cadillac-110-Years-by-Assouline.pdf
    • http://loaminoo.linkpc.net/7094098091094090/Inspired-Styles-by-Assouline.pdf
    • http://loaminoo.linkpc.net/8091092091091091/JavaScript-For-Web-Designers-A-Book-Apart-20-by-Mat-

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