Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d33498c1292ded3…

MALICIOUS

PDF

18.5 KB Created: 2019-05-01 17:06:23 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-13
MD5: cfb67b625a0e3659dfc1baf5c594c69e SHA-1: 89a9fb0d7a643a52938f377df808755b55ef4cec SHA-256: 5d33498c1292ded3c029978bcf91a3287fcdde38a4d1c1dd98239bdd1b0c0a1b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on the 'kiteeearpdf.myhome.cx' domain, suggesting a potential SEO poisoning or redirection scheme. While no scripts were explicitly extracted, the nature of the embedded links and the ML classifier's high confidence indicate a malicious intent, likely to lure users to malicious content or exploit SEO vulnerabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4f217f214f212f217f213/Anne-Frank-The-Diary-of-a-Young-Girl-by-Anne-Frank-translated-by-B-M-Mooyaart-Doubleday-Summary-amp-Study-Guide-by-BookRags.pdf In PDF document text
    • http://kiteeearpdf.myhome.cx/2f212f219f210f215f214/Anne-Frank-Her-life-in-words-and-pictures-from-the-archives-of-The-Anne-Frank-House-by-Menno-Metselaar.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f212f217f210f212f215/Diary-of-Anne-Frank-in-Dari-Persian-or-Farsi-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/5f215f214f215f210f214/The-Diary-of-Anne-Frank-The-Revised-Critical-Edition-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f215f219f210f210f212/The-Diary-of-Anne-Frank-and-Related-Readings-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/1f218f216f213f215f218/Anne-Frank-The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f212f219f216f215f211/The-Story-Of-Anne-Frank-by-Anne-Frank-House.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/4f214f210f212f212f210/Anne-Frank-In-The-World-1929-1945-De-Wereld-Van-Anne-Frank-1929-1945-by-Joke-Kniesmeyer.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f212f219f216f216f212/Study-Guide-For-Anne-Frank-Remembered-The-Story-Of-The-Woman-Who-Helped-To-Hide-The-Frank-Family-With-Related-Readings-by-Miep-Gies.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f218f210f211f214f210/El-diario-de-Ana-Frank-Biling-e-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f210f213f219f211f217/El-diario-de-Ana-Frank-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f218f213f212f211/The-Frank-Diary-of-Anne-by-Dan-Dillard.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f212f219f214f218f211/Anne-Frank-by-Kem-Knapp-Sawyer.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f212f219f213f213f217/Anne-Frank-s-Story-by-Carol-Ann-Lee.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/3f212f213f217f212/The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f219f210f210f215/The-Last-Seven-Months-of-Anne-Frank-by-Willy-Lindwer.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/6f217f213f216f219f216/The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/9f218f211f217f214/The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/7f219f215f215f217f214/The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text
    • http://kiteeearpdf.myhome.cx/2f214f210f217f217f214/The-Diary-of-a-Young-Girl-by-Anne-Frank.pdfIn PDF document text

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