MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The ML classifier strongly indicates maliciousness, and the structure suggests it's designed as a link farm. The primary purpose appears to be redirecting users to potentially malicious or unwanted content, possibly as part of a phishing or SEO manipulation scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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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 https://synerhu.ru/uplcv?utm_term=taping+for+plantar+fasciitis+pdf PDF link annotation
- http://ambcavallon.eu/userfiles/files/74800641946.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/8rc187kequq3cntfnq28je3t38/nokafetubuzijivuwun.pdfIn PDF document text
- https://ajitcoatings.com/uploads/kogebararu.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/7bae06d19bdd0084cabb0be66b65645e/97241747165.pdfIn PDF document text
- https://nffcd.org/userfiles/files/33176476617.pdfIn PDF document text
- http://galsabino.it/userfiles/files/samenukozexobolasapoxegam.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/11257245831.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/fq7dkqrjce15gj0f0o69hhuhe5/lidelajelumajedolaxep.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed62aec1cb---domamamigin.pdfIn PDF document text
- http://ilovemynewstemcells.com/clients/865932/File/92214135649.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/a86acab840166a3d3324d11bd42732da/38610860492.pdfIn PDF document text
- https://moveo-sport.pl/userfiles/file/xipobipimu.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161262b7c06bbb---10657777527.pdfIn PDF document text
- http://ecandrychow.pl/Image/files/tokubizelix.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/63202638165.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/c7d05e5bd9584258eebfe0b18f73b4fe/27885008179.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/78108185122.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/154184167.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/83df9d0ea72933394d5d3a711ace663a/jirebilaxeti.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/37906002305.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/jurovaluwiwefibimesuvepi.pdfIn PDF document text
- 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_off0000e3d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE2 | 17412 bytes |
SHA-256: 3495dd0fc75884a9d6396652636709696901215cf3bdf96fcbcbcf7bf45f5dbc |
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font_02_sfnt_off0001294b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1294B | 10628 bytes |
SHA-256: e8dfee32d8f2e09eeed2a0e2d0a2c8fce6be5e58f88f99aa7053cd206840f59d |
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