MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://elsadaulte.com/ckfinder/userfiles/files/55723037512.pdf In PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pufowijokasof.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/59569410947.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4f12934d1---tujedoxovoxuraxefi.pdfIn PDF document text
- http://kanchanaspa.com/ckfinder/userfiles/files/ligababawebirij.pdfIn PDF document text
- http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/22362308062.pdfIn PDF document text
- https://channeloflove.com/ckfinder/userfiles/files/14024923996.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/8a773cbb2949f6100ad404dce0fa709b/40142614378.pdfIn PDF document text
- http://moneymaker-gold.de/files/xigotodonugowideb.pdfIn PDF document text
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/baxejubukadexesokeru.pdfIn PDF document text
- http://belovosushi.ru/files/sabasuletej.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210902015433_phftmd.pdfIn PDF document text
- https://emenu.hu/editor_up/saraturu.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/dasokirotevewumetekekeman.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/talokogatonuvegigojif.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/vuvebatotojanuxaj.pdfIn PDF document text
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/66039296486.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/96940859393.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/24733198973.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/54500538582.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202109120325481827.pdfIn PDF document text
- https://hankilfood.com/upfile/files/jigapewawegifowexirudut.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405a2460f91---30680246402.pdfIn PDF document text
- http://digitalpolicycouncil.com/imagenes/file/16973522310.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=top+rated+io+gamesPDF 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_off0000bb55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB55 | 10548 bytes |
SHA-256: d4fa6ce8652491ac35e8beb3630105d8559110bee3cd93b76a5222c6954095ff |
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font_01_sfnt_off0000d32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32B | 16484 bytes |
SHA-256: 9fe1e67d9da35aeda34ecebd4e89948799b08997d6b4170ead515b0e0edb7d11 |
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font_02_sfnt_off0000fd7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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