MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress upload directories. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to redirect users to potentially malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://pristineleather.com/userfiles/file/95472631572.pdf In PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0ad0d345c---mafavowela.pdfIn PDF document text
- http://apcmagon.com/userfiles/90170784521.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fde50652b7---wavubuxusufar.pdfIn PDF document text
- http://dycelife.com/userfiles/file/xovarupisefojulizadudeju.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/3796084352.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/lh7524o6b4615ps8hhvlfvtkfo/xafeduxudimatedonasugima.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/19138820777.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cac23ca22e---80972357934.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/mukosuri.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/771996a2f8e7d99bb02c9cdbcff32db6/mololajajepowaven.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a1234679697---96618147287.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/aadf0783437bcbe8c8a42f07e390e397/57416663629.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a9c748cd3---36974997316.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088ec92186d0---mewegojajekatuloruzu.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730419645eb---89262536384.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/rt3q68em409a70n4erac7q4r3b/wexelo.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa85d254f32---6341549955.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-7-7/20210707193142612642.pdfIn PDF document text
- http://chaitraglaze.com/uploads/zonad.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160e352950a5db---18882670502.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cbda0453f13---54884496324.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/86664gedmmvfbib8c3vuviljl5/nanuten.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=uses+of+bare+infinitivePDF 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_off0000ec3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3D | 10376 bytes |
SHA-256: 8a2cdcf0721a4a86124547b30247c0edf8473363fce1b9f676fb29934ff02e98 |
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font_01_sfnt_off000103e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFB | 17852 bytes |
SHA-256: f9a192ca78425377b1dad1912c0cdbb85450978440b6e370d7da50c056cc86ee |
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