MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to potentially compromised WordPress sites. Heuristics indicate these links are used to host other PDF files, suggesting a distribution or redirection mechanism. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ee4e515a8---60723485811.pdf In PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/lbjvh0lihumpmhmogvqmhum1tg/38234470625.pdfIn PDF document text
- https://pasarangroup2.com/contents//files/kojakujedererul.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/wewuzebugebi.pdfIn PDF document text
- http://cukiernia-waltar.pl/qcms/userfiles/file/wejepatojej.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16220290285221.pdfIn PDF document text
- http://aihyang.com/userfiles/file/sopekedagidokixepedix.pdfIn PDF document text
- https://bselink.com/userfiles/file/gorijezivuvusapuliwa.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/42294598760b0c6718be8e.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b8287f611---pakekitulogug.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15cf91d925---mibefinisexonavixipit.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16097ff0f3993c---kajipolokirelaka.pdfIn PDF document text
- http://taitung-house.com/CKEdit/upload/files/bexuton.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/wibuvulobabirepijin.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/87842447341.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/a1157c9940b6ee4acedfca222529a983/batix.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/869b5a7ddf76e2c06c71312dee43609d/kabububipixosule.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/demixolasaxukemisu.pdfIn PDF document text
- http://apricomm.com/userData/board/file/23919100498.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=mathematics+worksheets+for+grade+1+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_off0000dee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE7 | 11140 bytes |
SHA-256: 0eaeef846f967ae16914e73e8cea7def9ea61873a5baa2b464208a16d1fc7541 |
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font_01_sfnt_off0000f8df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DF | 18116 bytes |
SHA-256: d9d6d4a49078eea4a301ba99a32495f54ab1aa3a45ab0439229a21f95716a559 |
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font_02_sfnt_off00012787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12787 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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