MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to compromised WordPress sites, which in turn host further PDF files. This suggests a multi-stage attack where the initial PDF acts as a lure or dropper. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161430f79128b5---divusa.pdf In PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/4167270925.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/71081922845.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/u35tdqhthv3606mbh15p1okh6b/69161531766.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/lemewijafusuzuja.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/29d2dc5d0dbf9f00fa65d90761ef5386/29535061981.pdfIn PDF document text
- https://oceanflowerhotel.com/uploads/image/files/9214914334.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/l5lcqgljki300og5k53dkmi2uu/jumibifikenajovekizagove.pdfIn PDF document text
- http://www.photonics-science.com/ckfinder/userfiles/files/38159154138.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/dakevivagokosujovanani.pdfIn PDF document text
- https://tmtteks.com/files/kadogitovofivonekudoso.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/sogowaxojadipuxajexili.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/20720376595.pdfIn PDF document text
- http://dae-young.kr/upload/fckeditor/file/10777797747.pdfIn PDF document text
- https://jensbrode.de/files/file/20196994134.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/edf79db3236b8e88388626332dd9a4af/gubatiwuro.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/55990229651.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/9e1236b51c599caa1254b1e73e2e061b/vevavaraked.pdfIn PDF document text
- http://evrokomplekt.ru/userfiles/file/dasevedamixukojadodojos.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/28447523665.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=aj+screen+recorderPDF 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_off0000af58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c76f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76F | 10076 bytes |
SHA-256: 63d63e0a8197ae32bbf31d25a2850cdfde565deab198e16ec7eb73630a461abb |
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font_02_sfnt_off0000ddfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFB | 18820 bytes |
SHA-256: 6c5c902ffc29b1b625123eb65f4ce55dbd51868e3d3dd234085d8fc075f352f8 |
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