MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://tutaylamhet.com/storage/ckfinder/files/xupesagigusezo.pdf In PDF document text
- http://mazraeir.com/images/upload/files/fagasa.pdfIn PDF document text
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/muwakojadarotela.pdfIn PDF document text
- http://montaze.org/democms/userfiles/file/19458166895.pdfIn PDF document text
- http://022-web.cn/uploadfile/file/20210905005705513.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109091203004135.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/62349558642.pdfIn PDF document text
- http://kahsport.cz/userfiles/file/302624422.pdfIn PDF document text
- https://istanajp2.com/contents/files/rexitewikudugowigo.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/69149706366.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/40954235332.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/72315112971.pdfIn PDF document text
- http://bajkolandia-leszno.pl/userfiles/file/10803919074.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/busoporuf.pdfIn PDF document text
- http://phunggia.biz/userfiles/file/53035605027.pdfIn PDF document text
- http://strandedtattoo.info/file/49256853561.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/gabadit.pdfIn PDF document text
- http://bmfjhjk.friend-match.com/upload/files/lanajimowukowatidas.pdfIn PDF document text
- http://pelejas.com/IMAGENS/CKFINDER/files/14300157409.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/94617638058.pdfIn PDF document text
- https://silatur.com/js/ckfinder/userfiles/files/90042265423.pdfIn PDF document text
- https://techlan.pl/files/file/89013772937.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/o0h5nt0h5g46npqmr50q3ituj2/83682545602.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/3faa885423d36d1eaa120136ac1b4f93/topadupalezon.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9301cd973---71367010676.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/161400d8bf3278---47472553595.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=all+the+bright+places+book+pdf+free+downloadPDF 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_off00010cff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFF | 18940 bytes |
SHA-256: 5f44d5129dcacf00dd756c83442951a3617ed039f9b33ae025db8c33110039de |
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font_01_sfnt_off00013def.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DEF | 11196 bytes |
SHA-256: dc2f7d5912488c0cf3c4e549a6e7e8b64382d5bd98cb224a9d36dd6a348f9ede |
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font_02_sfnt_off000157c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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