MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicates malicious intent. No scripts were extracted, but the presence of a link farm on compromised infrastructure is a common lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59f462ba82---21492346827.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc7ff36ce9---terekanudulurojemitupi.pdf
- https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/c76123ed14aa949334e65327043a7db0/rubenokabipiwurewu.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/28634887680.pdf
- http://muzeumostrowiec.pl/obrazy/file/69359590792.pdf
- http://auxerretv.com/content/public/file/busajuvobeje.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/mt0ksch3rsfrb2b9r1j606q9p8/92357062844.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16075eb750870d---bubabavinajariva.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/m6ohi2qvp1ea795hfee90mvcre/wexiwikexaxisi.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160979c6ebe328---34782748984.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/a67351662d2fb7d031b03200fe5fab1c/sigugidug.pdf
- http://congtydaihai.com/upload/files/3370276114.pdf
- http://tvtamminhphat.com/uploads/userfiles/file/tufokabovezaw.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076581fb0170---62464457267.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/46pm1hega4pr11rcb6k7kdfhn6/28690439626.pdf
- http://www.asslar.de/downloads/51985749409.pdf
- http://china-miyaco.com/img/file/20216623515.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab2e1b499---42548272307.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072b838dc890---xidowabogazekogopekib.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/76c3388f66ad30cfcc8a8583e57053bf/luferodajuxobagos.pdf
- http://thegibbsfamilyreunion.com/clients/d/d9/d929505c7faf6263097cc97620c39d65/File/5037377064.pdf
- http://apluskleaning.com/admin/images/file/vifilafawufolijolawek.pdf
- https://micsys.in/userfiles/file/taxowerobizeka.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=arrival+of+birds+piano+sheet
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4e7.bine7dc844fc99441a3113294212e2945c7ffa5dadf37e5549c2898157bf6cd0394 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E7 | 10784 bytes |
font_01_sfnt_off0000ed72.bina26ea040f372793718ded37a74ba3f12cde28d2d02457460c80a6c23ffaa207c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED72 | 18828 bytes |
font_02_sfnt_off00011e90.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E90 | 16792 bytes |
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