Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb012ad658c557cf…

MALICIOUS

PDF

26.7 KB Created: 2019-05-02 05:39:27 +01:00 Authoring application: mPDF 5.7 First seen: 2021-08-20
MD5: 35d61614af81cb08c6f7d2b6a39638c3 SHA-1: efc129e1b8893cc5e6ab17482b4791c5ba379b81 SHA-256: fb012ad658c557cf3c553dd81714860c88d3ea7e7b54023e97468eaaec3303a8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on the domain 'kiteeearpdf.myhome.cx'. This heuristic firing suggests a link farm or SEO poisoning attempt, aiming to drive traffic to these external resources. While no scripts were explicitly extracted, the nature of the embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect users. The primary attack pattern observed is the distribution of a large number of external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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/3f215f211f211f212f218/The-Complete-Arkangel-Shakespeare-38-Fully-Dramatized-Plays-by-William-Shakespeare.pdf In PDF document text
    • http://kiteeearpdf.myhome.cx/4f215f217f210f216f210/William-Shakespeare-Complete-Plays-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f215f218f214f213f213/Hamlet-Prince-of-Denmark-The-Plays-of-William-Shakespeare-Vol-17-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/7f216f212f217f217f212/Complete-Collection-of-William-Shakespeare-Illustrated-with-Audio-Books-and-Offers-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f218f215f212f219f212/The-Merchant-of-Venice-by-William-Shakespeare-Illustrated-Delphi-Parts-Edition-William-Shakespeare-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/3f218f214f211f216f217/Later-Plays-The-Norton-Shakespeare-Based-on-the-Oxford-Edition-Vol-2-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f215f213f210f216f215/The-Shakespeare-Plays-A-Midsummer-Night-s-Dream-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f215f212f211f218/The-Complete-Sonnets-and-Poems-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f210f212f219f214f214/Complete-Works-of-William-Shakespeare-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f218f213f210f213/The-Annotated-Shakespeare-The-Complete-Three-Volume-Set-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f211f212f217f215f214/The-Oxford-Shakespeare-The-Complete-Works-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/8f212f214f216f211f217/Loue-s-Labor-s-Lost-The-Works-of-William-Shakespeare-According-to-the-Orthography-and-Arrangement-of-the-More-Authentic-Quarto-and-Folio-Versions-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f216f210f216f219f212/Hamlet-FREE-The-Tragedy-Of-Macbeth-By-William-Shakespeare-100-Formatted-Illustrated---JBS-Classics-100-Greatest-Novels-of-All-Time-Book-23-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f210f218f211f210f218f211/Richard-III-Katharina-Thalbach-liest-William-Shakespeare-in-der-bersetzung-von-Thomas-Brasch-5-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f217f219f219f211f211/The-Tragedy-Of-King-Lear-By-William-Shakespeare---Illustrated-Bonus-Free-Audiobook-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f215f212f214f212f217/William-Shakespeare-s-Tragedy-of-the-Sith-s-Revenge-William-Shakespeare-s-Star-Wars-3-by-Ian-Doescher.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f210f211f212f214/William-Shakespeare-s-The-Empire-Striketh-Back-William-Shakespeare-s-Star-Wars-5-by-Ian-Doescher.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f214f211f210f212f213/A-Midsummer-Night-s-Dream-By-William-Shakespeare---Illustrated-Comes-with-a-Free-Audiobook-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f215f210f218f212f210/Mer-n-hennes-mun-sonetter-av-William-Shakespeare-bilder-av-Ulf-Lundell-by-William-Shakespeare.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/7f210f214f213f219f212/A-Midsummer-Night-s-Dream-By-William-Shakespeare---Illustrated-by-William-Shakespeare.pdfIn PDF document text

Related samples 6

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