MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://studioego.cz/userfiles/file/dumozakuj.pdf In PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/97717598461.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b10e715acf---22885798347.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/4a95b17e2ff1c861106390229cb683fd/lajatiliwosezize.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/97838916470.pdfIn PDF document text
- https://coffotea.com/uploads//files/202108041730405788.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/20017226398.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/cf9a6de8a68914e4f2fe43c7f55c2ded/dakaj.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/zadibifuxaranenebimiti.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/19038735601.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/41039423928.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/86953393467.pdfIn PDF document text
- https://www.lucaslobker.com/minor/ckfinder/userfiles/files/57024046850.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c0a77f3c4c---pabufud.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16124cfc67e675---61157318645.pdfIn PDF document text
- http://area100impianti.it/userfiles/files/wivire.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/53925732914.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f32bdbf1f5e---duzija.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dobdcpdtscjqmbed73e8667q57/10141473788.pdfIn PDF document text
- http://fishngrill.iorderfoods.com/uploads/files/bifumugizago.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/08d3b6e6b5cc17797f2413b0e7d9b9ad/97695618402.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/4211785468.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/zadosirusewukogegeli.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c0e5f917ff7848ddee566750b532bc39/bibimedakomobe.pdfIn PDF document text
- https://dii.org/10.36452/jkdoktmedek.vIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=jurnal+tentang+sirosis+hati+pdfPDF 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_off0000dfc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC4 | 17700 bytes |
SHA-256: eb3fe83726742c31a04554962cb37291bb068beaf29fe5b15cba146889747ea4 |
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font_01_sfnt_off00010d4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12562 | 10868 bytes |
SHA-256: bfbf7874842fabdf7769d3a5adc934352112748ebfc860f8cbadef6850a6e791 |
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