MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. Heuristics indicate the PDF acts as a link farm, directing users to potentially compromised or disposable hosting sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://usmleworkout.com/files/file/42637883381.pdf In PDF document text
- http://xn--c1ajalgzu0a.xn--p1ai/userfiles/file/lemafejolivul.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/30475780152.pdfIn PDF document text
- http://ajej.pretty-match.com/upload/files/vomadujoturoxadonozi.pdfIn PDF document text
- http://herbwaterthailand.com/userfiles/files/gitibijujorodowezaj.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/xozuko.pdfIn PDF document text
- http://npi-management.fr/ressource/site-image/files/3430017806.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/40619091210.pdfIn PDF document text
- https://cathita.vn/upload/files/7321708924.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/58524248603.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420a1595ca9---48857309934.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/e093038faf58be9fea1c0616cee1bd07/7103310919.pdfIn PDF document text
- http://barcabianca.eu/upload/file/nazufojuwufikadatebofe.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/bobosazerotezufelisis.pdfIn PDF document text
- http://taispacedesign.com/upload/files/68495847067.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/64377abed1e6e7db0e61620d4003d21d/93760325088.pdfIn PDF document text
- http://wamer.org/userfiles/file/27421481351.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/movadifevakodupezemefolo.pdfIn PDF document text
- http://xn--j1aii.su/userfiles/file/jilabexis.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/rewodamirosenutefed.pdfIn PDF document text
- https://lighthousemacau.com/html_upload/file/vasotepafolenisela.pdfIn PDF document text
- http://www.polni.si/Images/files/judalonixorulujufu.pdfIn PDF document text
- http://djpress.pl/Image/files/17624554116.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/mulapopufipo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=writing+treatments+that+sell+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_off0000adda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADDA | 14476 bytes |
SHA-256: 8157fdb0a21e343cdf0f7eb1c0607b1038767c015ceda7782bd148c7f753b98a |
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font_01_sfnt_off0000d1e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e9fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FD | 10816 bytes |
SHA-256: cd42006f52eeb87f5d4969b24aaca10f9a721debf35145112e08159150688928 |
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