Malicious PDF — malware analysis report

Static analysis result for SHA-256 f56520821f42ca74…

MALICIOUS

PDF

15.0 KB Created: 2019-05-02 02:44:12 +01:00 Authoring application: mPDF 5.7
MD5: 20dd36d38757be9f775668e1093cbeee SHA-1: 3a3eb709492aac77932b66e8975c78c00b099598 SHA-256: f56520821f42ca7444abf1fcd9f0ee85b65a57a0617b2ba86b50aa1643053089
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links and the suspicious domain suggest a malicious intent to drive traffic 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/5099092096092096/The-Book-of-the-Thousand-Nights-and-A-Night-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/5092098092091/The-Book-of-the-Thousand-Nights-and-One-Night-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/1098097094094092/The-Arabian-Nights-Tales-from-a-Thousand-and-One-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/5097093091092091/The-Arabian-Nights-Or-Tales-Told-By-Sheherazade-During-a-Thousand-and-One-Nights-by-Aradhna-Jha.pdf
    • http://loaminoo.linkpc.net/1093096092091091/One-Thousand-and-One-Nights-by-Gwee-Li-Sui.pdf
    • http://loaminoo.linkpc.net/4096093090/Spindle-A-Thousand-Nights-2-by-E-K-Johnston.pdf
    • http://loaminoo.linkpc.net/2090093096093095/One-Thousand-and-One-Arabian-Nights-by-Geraldine-McCaughrean.pdf
    • http://loaminoo.linkpc.net/4096098090090096/One-Thousand-Nights-Tales-of-the-Latter-Kingdoms-5-by-Christine-Pope.pdf
    • http://loaminoo.linkpc.net/2090092094091091/Lord-of-a-Thousand-Nights-Medieval-6-by-Madeline-Hunter.pdf
    • http://loaminoo.linkpc.net/9097096090099097/The-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/1093090092098090/The-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/4096095095094092/The-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/3096098096092099/The-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/8091091098096093/Wild-by-Nature-One-Woman-One-Trek-One-Thousand-Nights-by-Sarah-Marquis.pdf
    • http://loaminoo.linkpc.net/9098094092098092/The-Arabian-Nights-Entertainment-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/1094094097092093/Night-After-Night-Seductive-Nights-1-by-Lauren-Blakely.pdf
    • http://loaminoo.linkpc.net/1092093091093094/Tales-from-1001-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/4096093092099095/The-Tale-of-Ali-Baba-and-the-Forty-Thieves-A-Story-from-the-Arabian-Nights-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/9095091097099/The-Thousand-Faces-of-Night-by-Githa-Hariharan.pdf
    • http://loaminoo.linkpc.net/1099095090091095/The-Night-Has-A-Thousand-Eyes-by-Mandy-Sayer.pdf

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