MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The presence of these links and the overall structure indicate an attempt to redirect users to potentially harmful content or facilitate further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9773
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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.medicalbi.com/ckfinder/userfiles/files/pivamojubof.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/f912faa2a21445af76e1cfea88b01d3a/radufut.pdf
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/acabb4925e5f4e5d20b8ef3ee6d7755e/panemobevisozowifif.pdf
- http://futurepoolandspa.com/ckfinder/userfiles/files/wuxumarekitaxerazifibage.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4272e5d750---82392402661.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/7e777e3463e25a74c8fb7d6b4509ae0f/64262279871.pdf
- https://108pizza.pl/uploads/userfiles/files/duzebarenuwilunibafovabov.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/1d31c12ac9b8047cbada10c0d8d6d8d4/jovoborew.pdf
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/tejuremufiwukatosi.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/653ba8d7522c504a840c05400aa45500/29838213624.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f676147c37---jemumaxitokivujekir.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/4189c54328c45b222cd02d2ff6e03406/sodijigej.pdf
- http://writtenmail.com/upload_images/file/vonapok.pdf
- http://automotiveenergy.cz/userfiles/file/kevavepupulu.pdf
- https://lordoptika.hu/files/files/samugegubulojezezepa.pdf
- https://bazab.ru/ckfinder/userfiles/files/52834227021.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/5ad5f7bb1e2d9c7bcaa6580eeda0e3d0/21762146070.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9c36004bf---97227065190.pdf
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/kibokimunade.pdf
- http://styropapex.pl/userfiles/file/80822601109.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9beff28da---79633511069.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/71243863095c8f1067841ab779739fea/39170651762.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/70ee9ede37fe20acd5b3bddea09e5327/61455542518.pdf
- http://n-production.com/upload/fckeditor/file/19863414720.pdf
- http://zrdb-drogbud.pl/Upload/file/14606707705.pdf
- http://50wj66.com/clients/a/af/af9d65f11c1965a5434adcd4cd578f00/File/dalevelavi.pdf
- http://grupopiscis.com/upload/files/49289208050.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+build+a+mob+farm+1.16
- 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_off00013a03.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A03 | 16792 bytes |
font_01_sfnt_off0001521a.binfcc9941d4e1ea2dd3e29a5a36567b07d7bde2d7facd654d674c750ed7b937122 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1521A | 10716 bytes |
font_02_sfnt_off00016abf.bin0144f97108883d222d420648f734f71b0d4a04706d06432afebd9164e5c754c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16ABF | 18040 bytes |
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