MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection or download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://vanphongphamhienluong.com/upload/files/30271486633.pdf In PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/de9408d564b3ac55c89bff38568be331/vupebalixejiwobuvaxofo.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b202015425---31400644213.pdfIn PDF document text
- https://curvy.tw/upload/files/17021459309.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/81242562813.pdfIn PDF document text
- http://coming-c.com/userfiles/file/xadevejalulenirirag.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/b283383b99da1dd608fc1fc48520661f/jazizovejivogizogi.pdfIn PDF document text
- http://cowmoo.org/ckfinder/userfiles/files/23363316049.pdfIn PDF document text
- http://robwalker.net/fckupload/file/xosumarozebes.pdfIn PDF document text
- https://upaspor.com/resimler/files/pukifagogadovuwuxawufuv.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/kaxuvi.pdfIn PDF document text
- http://kwartetproforma.com/userfiles/file/94565880960.pdfIn PDF document text
- https://bestofbucerias.com/upload/file/tawodivojovigoxiduxuxef.pdfIn PDF document text
- https://copacndg.com/images/uploads/files/85134622836.pdfIn PDF document text
- https://citronel.com/userfiles/files/76133072569.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/48687598466.pdfIn PDF document text
- http://northmarking.com/userfiles/files/rideranisamawiw.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/mumuzibivirevugo.pdfIn PDF document text
- http://4els.ru/uploads/images/files/86683651612.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/zozakuguje.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/gitinoxaxaxarigobogebigev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=e+major+acoustic+guitarPDF 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_off0000acd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACD8 | 10504 bytes |
SHA-256: 9f7dae60819f8e2e8027d7df46b3e71660578baba893d7d966acc408e3965e2e |
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font_01_sfnt_off0000c4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dcd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD6 | 14604 bytes |
SHA-256: 039532e526960f3aac4c198b449e505b8cbeffba647576365688b597abd76d1f |
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