MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://giovanniseneca.eu/userfiles/files/sevobenafeporinel.pdf In PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/81084499228.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/kagijipalolexoxu.pdfIn PDF document text
- http://liveranigioielli.it/userfiles/files/miliwir.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/tomaz.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/81242554601.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/56578731057.pdfIn PDF document text
- http://soc-in.com/data/media/files/lisasaxalixukuware.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/berevitukaziwodot.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/17102787256.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/xuxun.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/14287443142.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/98787038560.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/d0d090527d937b4a2a7277daa598ff95/91906799901.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee6b2959a5---pejik.pdfIn PDF document text
- http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/lamerixi.pdfIn PDF document text
- http://rideco.hu/upload/file/61632426588.pdfIn PDF document text
- https://bimstudioinc.com/media/files/nozujun.pdfIn PDF document text
- http://weforyou.it/userfiles/files/52842301160.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/kojujejuzakozaputazogugex.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161328a66749e8---23970496870.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/pifeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=new+english+file+b1+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_off0000c3d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEB | 10552 bytes |
SHA-256: eb315ff3c5f3691e4e698607239179ae243962acbc5644bb39ad82be450eb050 |
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font_02_sfnt_off0000f378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF378 | 18436 bytes |
SHA-256: 03e3f63851c56087675b9634f6c652826a20401141eae34b61465ecd46d27931 |
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