MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV both flagged this PDF as malicious, with ClamAV specifically identifying it as a phishing trojan. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9784
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://ulrike-mayer.de/userfiles/files/genitevesupiwoxamajijo.pdf In PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/3j9ptn4qi2ll9lr07s53gnu9c1/97186679152.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/taxupokunober.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ea36b97fb---sifudotetofalolixoro.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/13336902994.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/d9ec002b56bc1a38dac0e216b8950852/87576259536.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/9e934f8eeee9e5924f399c657e75ba53/sodovugavobu.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d272d739a9---numefa.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/9c43c9ec3101643f2264ceb5fa13e6ce/68800837627.pdfIn PDF document text
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/f6f1ac917584f93303a9ce10fe7fb98a/tewesabutuv.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/8e3b881e8bf5b5686d3d9e49f8192978/gukuvufixusuduzaxo.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/budewixatatiduv.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/15e646a528c6b30faae24b78571f65e6/seguwetimizezudafefi.pdfIn PDF document text
- http://donghocasiochinhhang.net/uploads/userfiles/file/31492855167.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/e79458d1fdb9ae6e311ca10af72920ad/40573200187.pdfIn PDF document text
- https://strechybenesov.cz/content/97027074450.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/kirumamo.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/ap9kgpnsr94kcjctsr11nae154/40557072413.pdfIn PDF document text
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/b969c2191eb5e28965e44ddde29f01d5/49804083404.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/gorafufofezo.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/10ec3b69794004f727d767a42c7ef1f2/fudixeroxolumowijilebevun.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/495250c826eec917192eda90557a2e4d/gorowosaziroxogukelub.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/44210317237.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a93fe6dad45---76637623485.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/dc5bd742592ab70a522d1952f2f238c7/1385685480.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/lolezudisatodexosigased.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=essay+about+global+warming+pdfPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aca38c8a29---1043943908.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F6D | 11132 bytes |
SHA-256: 2596c488027a8112814ecb83fb523d35e590edbe0a04a8ecc8b77726c5b22315 |
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font_01_sfnt_off0001390e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1390E | 16704 bytes |
SHA-256: 565dbd5db098cb2e883a1197c71da84974fe0be539adf54cd832e4326a81a670 |
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font_02_sfnt_off00016451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16451 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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