MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly indicate the file's intent is to deliver a malicious payload, likely through these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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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://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3570d9332---panagexiduvi.pdf In PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16077204ead9e6---93084492349.pdfIn PDF document text
- https://belloverde.net/emailer/file/rokomubelujun.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/jvve642oncioq75bq3anv5lds4/kolakoxusidevemuv.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1606fab0182585---55298742044.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724386e5189---momagenajevudibupararawa.pdfIn PDF document text
- http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/jopapenimufuf.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4aacc97d69---fovevonavamixuvev.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/1586354487.pdfIn PDF document text
- http://effektfilm.de/files/file/70482452957.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a489b847d3d---7407946497.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/71qmrse2l0cqlm9ijc1b3m5vd7/83146186553.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/99798969052.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/fewifewazu.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607416584f97f---47722756888.pdfIn PDF document text
- http://willbramephotography.com/zoluvegurematokil.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/4887ea711b614d2db0ee02ad3ef8c610/36658000269.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/76103686399.pdfIn PDF document text
- https://amursvoidom.ru/media/files/4521681456.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b05feee5779---93426410011.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/77300e585276a3840ec4fa07aa0dff96/45757139148.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/85346358550.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd08408324---gukasugi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=what+is+the+negative+square+root+of+3PDF 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_off0000ec82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10494 | 17068 bytes |
SHA-256: f2e0b78d56e0556813c12520f2c8c99aa8c6098b8c136c8118089f1c4d4b7601 |
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font_02_sfnt_off0001311c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1311C | 10924 bytes |
SHA-256: a6724f5642c45e59118313533e4770cab1d93c1bd799096bfc4eb24fe743f3fa |
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