MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of external URI heuristics and link farm indicators strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://laborke.ru/uplcv?utm_term=watch+uk+drag+race+season+2+online
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/diven.pdf
- http://chikatere.com/Upload/files/nefadidasoderudefizebat.pdf
- http://eatatrudy.com/uploads/files/pubus.pdf
- https://bangprice.com/bangprice.com/beta/cms_image/file/13292823926.pdf
- http://archetipoingegneria.it/userfiles/files/tapijuzanoge.pdf
- https://aarhuskortet.dk/images/file/palidotovu.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613192fd7b4ea---bidusonaraxax.pdf
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/goramanogisisusem.pdf
- http://smingames.com/ckfinder/files/koxetapalufutobevexaxeluj.pdf
- http://www.moyekolodin.com/files/60645067723.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614069a68564c---wenelokakonux.pdf
- http://lingeriedediva.com/UploadFile/file/2021091806553973499.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386d6b6698b---63930587643.pdf
- http://ncdesign.it/userfiles/files/16499986580.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/24ac8a0c91162338e34c5ebd1573edb8/95485199464.pdf
- http://intproplaw.com/admin/uploads/file/9711710138.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/741bc32a6c712adcb7ad967b471db245/93018583996.pdf
- https://patriciogaete.com/upload/file/7696364326.pdf
- http://xecuoihuyhoang.com/uploads/userfiles/file/jufitime.pdf
- http://tecksco.com/upload/files/repisutofubid.pdf
- https://drbumbnursinghome.in/ckfinder/userfiles/files/nepobowix.pdf
- http://vet-arrighicolangelicristilli.eu/userfiles/files/sogogabo.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb7c882602---62896750417.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613462be62415---60988438597.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/c4e8d46d67e27ed498930b4151f55f8f/duverisodewasalag.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ba3d.binbeaab982b4c544c738ea637f0c039fa20c50bef27156ead708e0c35600fdd866 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA3D | 10952 bytes |
font_01_sfnt_off0000d37a.bina2d5fdd200496ef3cd187526dcb57c1c29cfe82e34c2d287fe5eb8b0a7329f90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD37A | 17012 bytes |
font_02_sfnt_off0000ff8e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8E | 16792 bytes |
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