MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous PDF files hosted on compromised CMS uploads and disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier strongly indicated maliciousness, and the presence of multiple external URIs and a link farm heuristic supports this. No scripts were extracted, but the structure suggests a lure to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/28067227469.pdf In PDF document text
- https://jackyrouxmethode.com/userfiles/file/tosarowukoramobesi.pdfIn PDF document text
- http://elma1.ru/!upload/files/ribedibufekumarigunitaw.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fusikupufegososegixadan.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7791aeef5---6924125792.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/83b8acd49710838cdf4c34ecb0aa0b25/51142398817.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/80671029369.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/55351605571.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/73255540102.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/7951979269.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/83133116743.pdfIn PDF document text
- https://healthmatters.me/userfiles/file/nufunudinozufi.pdfIn PDF document text
- http://www.julietlandau.com/fckeditor/userfiles/file/74512989487.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dccc07b047---70823590268.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/tawuxupuvutipa.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/wozosenune.pdfIn PDF document text
- http://thaide.org/userfiles/file/25054143350.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/59684485391.pdfIn PDF document text
- http://shmgec.com/Uploadfiles/files/luvowute.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/ketirevivuw.pdfIn PDF document text
- http://productinfo.in/konadnew/userfiles/file/wegapediwuvopeg.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/jexunoputogoludozirifupaf.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/63989275321.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=advantages+and+disadvantages+of+using+social+media+to+promote+businessPDF 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_off0000d887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD887 | 11248 bytes |
SHA-256: 69811e4ad6e429aa7d98b79a15e96a675825a093bab782b8060b74dc0f64904d |
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font_01_sfnt_off0000f282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF282 | 17024 bytes |
SHA-256: 3b6b0fbdc7b3776fb2a6ddde4b8e511ad00321051897a33f6c8aa44916551cfd |
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font_02_sfnt_off00011e6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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