MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. Heuristics indicate it's part of a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the execution of JavaScript to facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/wefutobulegep.pdf In PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147dcf3975c0---nunifovaku.pdfIn PDF document text
- http://mlsconsulting.net/cms/files/File/49005048288.pdfIn PDF document text
- http://theexplorerthai.com/userfiles/files/gunakix.pdfIn PDF document text
- http://hytechcommunications.com/userfiles/file/mupumubegirakubevorozamid.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161565c11d0a2d---jokupegagawikufuzetixudis.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/34318398357.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/jururenatesozisusaposif.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/9249332257.pdfIn PDF document text
- http://osstemcardiotec.com/files/fckeditor/file/1879539834613faa71be062.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/22067461010.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b86181469f---jezatusuj.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/vaxawebaxovisa.pdfIn PDF document text
- https://altonika.pro/files/fck/file/96907039652.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f52796f47e---vimofonefari.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/8354389953.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1615a1aca4a084---3243019981.pdfIn PDF document text
- https://777mto.net/contents/files/43418773726.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161453ed6d4b20---43866934405.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/2498644394.pdfIn PDF document text
- http://hockeydh.com/files/ups/files/6601618005.pdfIn PDF document text
- http://omni-links-europe.com/images/blog/file/54774945736.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/2641a7f7604642c10376165fece7b01a/66188977310.pdfIn PDF document text
- http://0228339500.kad.tw/kads/ckfinder/userfiles/files/patafipefiwitibubita.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=what+does+tp+stand+forPDF 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_off0000b131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB131 | 10452 bytes |
SHA-256: b31d37b7e99ddbebe98de3d6cd3443db3fdc2b1f4d77b138c998f2c0199cd304 |
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font_01_sfnt_off0000c8de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DE | 15340 bytes |
SHA-256: 743134590556c6cbe255eb9e9e4279289219e34ea1323bbe0acd4e18d44c1cb0 |
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font_02_sfnt_off0000ef23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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