MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bagiez.de/userfiles/file/20536374405.pdf In PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160862617cd617---58120046120.pdfIn PDF document text
- http://chieucoingason.vn/files/torodetulale.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/aio42qsl163c7jm5lt3fksnul4/nosizilokijaguzosadi.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/64392420291.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/defepugi.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/daxigikonulewufek.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202108210224159619.pdfIn PDF document text
- http://imaginove.eu/data/Files/lixobuvokovubid.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/jiderosuwatowinegide.pdfIn PDF document text
- https://burgaseguros.com/userfiles/file/45011624560.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/genet.pdfIn PDF document text
- https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/kv1bqeoub2ecalpgpb25uemf8q/kebibesagiju.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/24281824609.pdfIn PDF document text
- https://media-get.com/userfiles/files/fozetadikebuvusimijak.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb9536f72---baropu.pdfIn PDF document text
- https://eletroluz-al.com/_IMG/img_internas/file/vozitanisobejowi.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/72804341522.pdfIn PDF document text
- https://ngonluathan.com/images/ckeditor/files/pavowejoramogenadelive.pdfIn PDF document text
- https://discovercefalu.com/_data/images/file/wutuxezuvug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=build+an+atom+game+answer+keyPDF 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_off0000e5b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC5 | 19336 bytes |
SHA-256: f9decf4c424938136ac3a8bd4bc278014db9610f22c3b6c16142f1be8837d207 |
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font_02_sfnt_off00013049.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13049 | 11036 bytes |
SHA-256: 915b23cab9ced94349680a0cfe2a1895f1dbe1f77330d6a9bf677406b3a612f7 |
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