MALICIOUS
92
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links to external PDF files hosted on the domain 'cefasfese.4pu.com'. This heuristic firing, combined with the ML classifier, strongly suggests a malicious SEO link farm or a distribution mechanism for further malicious content. While no scripts were explicitly extracted, the nature of the PDF and the embedded links indicate an attempt to manipulate search results or redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
Heuristics 2
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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://cefasfese.4pu.com/8738735733737735/Arno-Schmidt-a-centennial-colloquy-by-M-A-Orthofer.pdf In PDF document text
- http://cefasfese.4pu.com/9735739738733739/Radio-Dialogs-II-by-Arno-Schmidt.pdfIn PDF document text
- http://cefasfese.4pu.com/2737736731739735/Evening-Edged-in-Gold-by-Arno-Schmidt.pdfIn PDF document text
- http://cefasfese.4pu.com/1730731735732731735/Von-Tatwin-of-Canterbury-bis-John-Lennon-Kommentiertes-Register-der-von-Arno-Schmidt-rezipierten-Autoren-aus-der-anglophonen-Welt-by-Friedhelm-Rathjen.pdfIn PDF document text
- http://cefasfese.4pu.com/1731737736735734738/Prosawerke-in-Einzelausgaben-Audio-CDs-Teil-9-Lilienthal-1801-2-Audio-CDs-by-Arno-Schmidt.pdfIn PDF document text
- http://cefasfese.4pu.com/8738735733738730/Collected-Novellas-Collected-Early-Fiction-1949-1964-by-Arno-Schmidt.pdfIn PDF document text
- http://cefasfese.4pu.com/8738735734734739/Peter-Arno-s-Ladies-amp-Gentlemen-by-Peter-Arno.pdfIn PDF document text
- http://cefasfese.4pu.com/9737736736734735/Protected-Areas-Centres-For-Propagating-A-General-Nature-Conservation-Policy-Colloquy-Organised-By-The-Council-Of-Europe-And-The-Management-Of-The-Abruzzi-National-Park-Italy-8-10-June-1997-by-Pierre-Hunkeler.pdfIn PDF document text
- http://cefasfese.4pu.com/4738731731739/Washington-a-Centennial-Atlas-by-James-W-Scott.pdfIn PDF document text
- http://cefasfese.4pu.com/4739731733731730/Her-Montana-Twins-Big-Sky-Centennial-3-by-Carolyne-Aarsen.pdfIn PDF document text
- http://cefasfese.4pu.com/2735734734736733/The-Centennial-History-of-the-Civil-War-Trilogy-by-Bruce-Catton.pdfIn PDF document text
- http://cefasfese.4pu.com/4739731733730734/His-Montana-Sweetheart-Big-Sky-Centennial-2-by-Ruth-Logan-Herne.pdfIn PDF document text
- http://cefasfese.4pu.com/7736732738739730/In-Search-of-Centennial-A-Journey-with-James-A-Michener-by-John-Kings.pdfIn PDF document text
- http://cefasfese.4pu.com/7732735739732/Tasting-Colorado-Favorite-Recipes-from-the-Centennial-State-by-Michele-Morris.pdfIn PDF document text
- http://cefasfese.4pu.com/6730735734739731/Oration-on-the-Centennial-Anniversary-of-the-Declaration-of-Independance-by-Robert-Charles-Winthrop.pdfIn PDF document text
- http://cefasfese.4pu.com/6733738734738736/Diocese-of-Southwark-1905-2005-A-Centennial-Celebration-by-Revd-Antony-Hurst.pdfIn PDF document text
- http://cefasfese.4pu.com/6733736731739736/Carmel-in-America-A-centennial-history-of-the-Discalced-Carmelites-in-the-United-States-by-Charles-Warren-Currier.pdfIn PDF document text
- http://cefasfese.4pu.com/8738735732736734/Betrayal-of-the-Self-by-Arno-Gruen.pdfIn PDF document text
- http://cefasfese.4pu.com/8733734737737736/D-ferlante-by-Arno-B-Karabatis.pdfIn PDF document text
- http://cefasfese.4pu.com/5731738732730737/Der-Fremde-in-uns-by-Arno-Gruen.pdfIn PDF document text
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