MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs, several of which are hosted on compromised CMS uploads, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to exploiting vulnerabilities or directing users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://tomasmrazek.cz/userfiles/file/5187429505.pdf In PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/67839665021.pdfIn PDF document text
- http://yesilderecine.com/admin/editor_resim/file/6189075424.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/1b5f0d72eba2e37420f332f228a7325a/95964534889.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/39790ee7196adbc1a9bb4d3344a539c9/60455998720.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/58475510539.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075bfde6985f---27758550028.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/zepexaxonanalawij.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/0f05e911e34fc3b9860f8bb1811fbb4a/fujekotixaworapifeduxesug.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/71566690656.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/43414242352.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/tileximesakipon.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/pakisuwiwepux.pdfIn PDF document text
- https://communeouchamps.fr/userfiles/file/16512012821.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/viwejimatamikiropirubi.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/55276896564.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/46916256496.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/5k66kipvog3j5j3j5127toll8n/41013947155.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c67c6e7871---rexavodixon.pdfIn PDF document text
- http://blueleaves.ru/userfiles/file/66860789611.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/nomunaxexolinilitepif.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/59709204086.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=final+cut+pro+x+tutorial+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_off0000fdaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAA | 18056 bytes |
SHA-256: 55976f0965bac43177685b2737cd01eadd05faa64606290194bdf849691fc0b5 |
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font_01_sfnt_off00012cd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000144ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144EE | 10492 bytes |
SHA-256: bd80b205bc59c62dd9c50ca2187f89253398292cc9d771febc861f24474d8a0f |
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