Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c975f1ebe7e6eb6…

MALICIOUS

PDF

21.7 KB Created: 2020-03-13 04:08:09 +00:00 Authoring application: mPDF 5.7
MD5: e8858e9ff6286c8ba0b3bfebf6573496 SHA-1: 09932f92f4543375014cced2e8ca401a8bfd175c SHA-256: 8c975f1ebe7e6eb63ea8229374d189cd49fb1620b5e17a5f1b21398b1e0067cf
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicates maliciousness. The primary attack pattern involves leveraging these numerous links, likely to distribute further malicious content or engage in SEO abuse. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://kiteeearpdf.myhome.cx/1f211f217f217f211f210f216/NORTHANGER-ABBEY---JANE-AUSTEN-Author-of-Mansfield-Park-Persuasion-Sense-and-Sensibility-Northanger-Pride-and-Prejudice-Annotated-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/6f217f213f212f216f211/PRIDE-AND-PREJUDICE-Jane-Austen-author-of-Mansfield-Park-Persuasion-Sense-and-Sensibility-Northanger-Pride-and-Prejudice-Annotated-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f216f219f213f217/Jane-Austen-Collection-Seven-Novels-in-One-Pride-and-Prejudice-Persuasion-Mansfield-Park-Northanger-Abbey-Sense-and-Sensibility-Emma-Lady-Susan-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/6f213f213f213f215f214/Emma-Mansfield-Park-Sense-and-Sensibility-Pride-and-Prejudice-Northanger-Abbey-amp-Persuasion-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f216f219f212f218/Jane-Austen-Pride-and-Prejudice---Northanger-Abbey---Persuasion-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f216f218f217f218/Pride-and-prejudice-Northanger-Abbey-Persuasion-Emma-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f217f211f210f212/Reading-Texts-in-Jane-Austen-Northanger-Abbey-Pride-and-Prejudice-and-Persuasion-by-Murat-Seckin.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f217f210f218f212/Northanger-Abbey-And-Persuasion-Volume-3-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f216f219f213f215/Northanger-Abbey-And-Persuasion-Volume-2-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/7f214f210f216f211f215/L-Abbaye-de-Northanger---suivi-de-Catherine-Morland-2-traductions-fran-aises-de-Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/5f215f218f214f216f215/The-Novels-of-Jane-Austen-Northanger-Abbey-In-Ten-Volumes-Vol-IX-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/6f214f212f217f216f210/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/7f212f213f210f219f216/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/5f217f217f210f214f210/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f213f214f218f219f216/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/8f212f214f211f212f211/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f212f218f210f213f219/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/4f216f218f214f215f216/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/6f217f213f210f219f218/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/5f215f219f219f214f213/Northanger-Abbey-by-Jane-Austen.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f216f219f213f

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