MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous links pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hkalc.com/userfiles/fijapituleduvulutegegezuw.pdf In PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/14aede2cbaee7984353f499509c47a9d/7790381320.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/en08rto4boudr28erf2b4anf6b/60730925900.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0716402d5a---ratevomufevudadujorapaj.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160907803ef887---53114988139.pdfIn PDF document text
- http://arch-teh.com/pic/userfile/rizur.pdfIn PDF document text
- http://capital96.com/userfiles/file/lilunuvenamigaz.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612525bb0f7ea---97176219940.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/1efc9014c3f2681f41e302ea2190d027/rudazosafamirirobilimego.pdfIn PDF document text
- http://ikuma-car.com/js/upload/files/40353024135.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/lolivekokaxafajabumilakoj.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/293ef80f88a8e83f117697a83446845e/bojosasupemisijugapurugum.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ffadfe3bfe6---34853406604.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/8340515286.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607df1ff42fef---4346727777.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/goh8ohocsih7uk0cpis93hbcj6/12708843142.pdfIn PDF document text
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/30eec198e30b3e7ebe44654bcaa915d1/tolupabuxoxipipimipixefi.pdfIn PDF document text
- http://caigeshi.com/uploadfile/file/2021062216143573499.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/nopazopudirom.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/38286339340.pdfIn PDF document text
- http://contactconfiance.com/files/files/bizodirojifanifebupobif.pdfIn PDF document text
- http://nicolalazzarotto.com/userfiles/files/loragobefezotevufeve.pdfIn PDF document text
- https://luminex.pl/upload/file/50254848396.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/67063464326.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=como+escribir+un+articulo+de+opinion+pdfPDF link annotation
- 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_off0000d506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD506 | 11052 bytes |
SHA-256: 932d165f9075f4f141b35c28f742160caf0be56f51268110de4a19a142731037 |
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font_01_sfnt_off0000ee8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001069f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069F | 18252 bytes |
SHA-256: 5ef828924460589e2a5425509e8a1ffcfe8ab90cc64bd880f2390b0ee6fa38a5 |
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