MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by an ML classifier as malicious. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host malicious content or phishing pages. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate a coordinated effort to distribute links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b056cb33eab---vigigadugigi.pdf In PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160872b9064158---78138692796.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073654d42a16---boximeromipagi.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/73829644655.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/2f50e79a899f99052f157e729d4faaa7/3999372504.pdfIn PDF document text
- http://bielle-srl.com/userfiles/files/fukuburugomibeguzeras.pdfIn PDF document text
- http://remaining-mc.de/userfiles/file/suxujimiwe.pdfIn PDF document text
- http://xnucleus.com/members//member_images/files/bizaruwasa.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606fdfbda5372---23803066645.pdfIn PDF document text
- https://macroedunet.com/userfiles/file/29892360943.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/f31c9cfe7ec9bb39d56eb85f4f903ad0/wokinikirixexerosu.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/pemugeb.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce39bae1e75---75958461941.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a50445daba---13519482484.pdfIn PDF document text
- https://yssnewlessons.org/UserFilesTwo/file/47785523679.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/6ba21b571634f9a3a3fa7fb00b9fc440/78693217586.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e6e68eebf---89481590151.pdfIn PDF document text
- http://school15-tyumen.ru/f/86990618768.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160f84b980b98e---bovujenufibo.pdfIn PDF document text
- https://unifor975.ca/userfiles/file/josogegesaruwadatavafuga.pdfIn PDF document text
- https://beauti-full.ru/uploads/files/kirowum.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608373485d0eb---19045360965.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/numiwiralotosi.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160713c42bbdb8---tubupur.pdfIn PDF document text
- http://erpos.sk/data/files/50202975812.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tingling+in+backPDF 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_off0000f7b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC9 | 9980 bytes |
SHA-256: 20376134185bc43e25811665804fc4d43a36fb1154721304217158240a2bf9c5 |
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font_02_sfnt_off000125f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F9 | 17300 bytes |
SHA-256: 25fbfb41c16a6e7db69d6024d6b68f5aff0f459f94b9f9a6f883613474e0eebd |
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