MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample contains embedded JavaScript, which is often used to redirect users to malicious sites. The PDF also features a link farm pointing to multiple domains, many of which are hosted on compromised or disposable infrastructure, suggesting a phishing or malware distribution campaign. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://abeess.com/userfiles/file/6884881169.pdf
- https://aparcaderoshaddaichile.cl/uploads/images/files/vabijikokuleb.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/a636a6281dd91b9216502b24215c99d6/dagadu.pdf
- https://chachachat.info/js/ckfinder/userfiles/files/79475227160.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/de9e25b518b20eeca7c91818318b1e6d/38918994721.pdf
- http://aliceinformaticasrl.com/user/pages/vuxeganakopujiralelawuju.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c3ddf0d0f---44259913377.pdf
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/63787350933.pdf
- http://d4smontreal.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/26525124793.pdf
- http://davcpundri.com/css/file/tevazi.pdf
- http://eiak.org/upload/editor/files/nutaxoluzup.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16086f088bcae7---zagobozimebiromenes.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/b20095c6f7a2ce4db3b8b40787f0edb0/73650805388.pdf
- https://evermoral.hk/upload/file/1623914125.pdf
- http://radio-salsa.com/php/rs/filesupload/file/48271202696.pdf
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/aa5bb55a44521a53ec962e53aef9b303/wusonipixatasoro.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bdc425b79---wegup.pdf
- http://aldo-ins.com/userfiles/file/rexuposinufanubujapox.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/421253a2a6974a7bd637100997a1ddab/vozebikagewabekeva.pdf
- https://alternativecarrepair.com/userfiles/file/baberosi.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/lq9drqgi0edb8trg8mbksusltu/23242995976.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a86152b76bb---53914388186.pdf
- http://greathorserider.com/ckfinder/userfiles/files/95657976491.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=roses+are+red+violets+are+red+everything+is+red
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/7cabbebcb30b27ac3c3697971c8b1659/12909088623.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_off0000e670.bin3400161da6483e8a256d9782b7895b1ed9194e4a6a6e4d8a441d67dc23250968 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE670 | 16808 bytes |
font_01_sfnt_off00011234.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11234 | 16792 bytes |
font_02_sfnt_off00012a4b.bin5b2f51b980a25aabe7ce8439fc4be5a36ba78b8c2d3b495a364271e60406c3bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A4B | 10752 bytes |
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