MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs that function as a link farm, directing users to external sites. Several of these URLs point to compromised WordPress upload directories, indicating a potential distribution mechanism for further malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://queure.ru/uplcv?utm_term=the+little+mermaid+box+office PDF link annotation
- http://raffaelecavazzoni.com/userfiles/files/88840879664.pdfIn PDF document text
- http://cosmic-kino.ru/sadm_files/55938664450.pdfIn PDF document text
- http://reutlinger.pl/userfiles/file/58154169581.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/52250974666.pdfIn PDF document text
- http://pensacolahigh1964.com/clients/1/1d/1d652d7f5bd5fd2f3712913460b20393/File/gumomezup.pdfIn PDF document text
- http://droneducational.com/admin/userfiles/file/86812945837.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/60048004031.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/ed00ea50f736c1c99767776c63d682e1/977014382.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/danasa.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/bdmps1sul0tfpik9nu5s3f3kr3/46399101047.pdfIn PDF document text
- http://plafondchauffant.fr//img/user/file/54757531403.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/8bindif8urb12bfi1ppbol53u2/jujabawinujizujupegidibi.pdfIn PDF document text
- https://led7.ru/file/sawujileravipusaxes.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/xebejadakatizof.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/953b75a5d052c2f77db0d64375d74874/58442913265.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/76638804971.pdfIn PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/derofaxog.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8a48083c8---zenuxog.pdfIn PDF document text
- http://sunrui-ti.com/d/files/daxerawudoxaviwadawenuna.pdfIn PDF document text
- http://setadijital.com/img/userfiles/files/72044392012.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6dde18bc47---11013518888.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf6eabdb53---361307982.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf06c1f03ad---93331402182.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16099eb3547ac9---pofazeniwokoluvone.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_off00011938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11938 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001314a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1314A | 19468 bytes |
SHA-256: 0f707c1b1a321c8380199a7ffbbbeb9bbdc2988b41b83aede13627868a11b1d6 |
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font_02_sfnt_off000163bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163BD | 10672 bytes |
SHA-256: c67aaf767a7d53d8236371094e1afb6144d0184e3b8074cdd6aa12953cb60b6f |
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