MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress upload directories or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed to appear legitimate but hosted on disposable infrastructure. The embedded JavaScript likely facilitates the redirection or further malicious activity initiated by visiting these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://tselectromechanical.com/uploads/CKfiles/files/31923111962.pdf In PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1631103646_75392f79d9.pdfIn PDF document text
- http://hasanmasat.com/ckfinder/userfiles/files/83290087324.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/23224178922.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/15699427310.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/tajumasedemex.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/60811353805.pdfIn PDF document text
- http://fobas.cz/userfiles/file/nejagunetatu.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/ropararejulipakaselade.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3833c4e36---65091963032.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/kfln6eb32evk09v5fpu332h8vb/luzeg.pdfIn PDF document text
- https://www.parcdelorval.com/ckfinder/userfiles/files/gugikonapobidokotupe.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/fukadi.pdfIn PDF document text
- http://mixline.ru/img/lib/file/36182402884.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/wawujirudulodumululeli.pdfIn PDF document text
- https://standsimulator.com/ckfinder/userfiles/files/19415165052.pdfIn PDF document text
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/zemirasovaledekorajetaw.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135545ccec10---ligalezujozerugusivinip.pdfIn PDF document text
- http://na-bytecek.cz/UserFiles/File/92317202321.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/tilegefilewa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=francesco+tonucci+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_off0000c3d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEB | 17440 bytes |
SHA-256: ac1df31e1a83f8aa2b09e88498bcb3e26c085ab5297e28251b254869e4de0743 |
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font_02_sfnt_off000107c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C7 | 10644 bytes |
SHA-256: 5eedbfa41e93b1c6b0683c8cc36e25269756df4306203fcd94f4751ad95d5c99 |
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