MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains an embedded JavaScript stream and numerous links pointing to compromised WordPress sites, indicating it functions as a link farm. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/0c8c8d203998a01a4347dbcc30269bec/remalojivulax.pdf In PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/5531d7801343770183659c1d24d0eddf/zajitiwutezuviwulaxo.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a29d580a234---22577235724.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b290820f50a---89325586946.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d474b66ed66---gomigo.pdfIn PDF document text
- http://sun-green.be/ckfinder/userfiles/files/gikukanijawobejezulifik.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b68b2afc7b---3505712475.pdfIn PDF document text
- http://aydinservis.com/ckfinder/userfiles/files/bagalip.pdfIn PDF document text
- http://intertexmedical.com/userfiles/files/zoroditolilimet.pdfIn PDF document text
- http://vieclamquantri.net/upload/files/39609311225.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607732127e8a0---38793900073.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/fda6a27591edb0020e3d50dac233f6b1/17780640764.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aff55ae6e95---sodefusugixokuna.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021061019044173499.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b4f235707fdbbf817b8183848e6d8882/xizigenuzazutetodeturili.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/6d538aa6a653da7f5455c401bd487e9d/3173937344.pdfIn PDF document text
- http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/56620450847.pdfIn PDF document text
- https://baptistfriends.org/media/30398796778.pdfIn PDF document text
- http://harissarantis.com/userfiles/files/47678005443.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/7kpui1sc759nc376420mgqk0r4/panurojopafifadobebezosaw.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/fiperumunerofamum.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/42438180731.pdfIn PDF document text
- http://carshopm.com/js/upload/files/simukekufutere.pdfIn PDF document text
- http://pm-ural.com/uploads/files/46555383398.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/15695909494.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=fly+me+to+the+moon+bass+tab+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_off0000e90d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE90D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10124 | 10800 bytes |
SHA-256: 94f1861b62186d0e7b216fe16e242b52efc56353bc65fad6bbb96a9c99075661 |
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font_02_sfnt_off000119a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A0 | 16908 bytes |
SHA-256: d2b70ea899c003eb5e72e84a3a09648da82283a90ea9c68b44ebeb96fe0937ca |
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