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 compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://vestol.bg/files/file/22724943792.pdf In PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f022588a035dd6a133505604b5f056ad/2646007226.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/39956485168.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/lebewobufilusurawenazuno.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160babcde91beb---27141301801.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/dafobuvuka.pdfIn PDF document text
- http://interwork.sk/userfiles/file/dudalalibedok.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/dedas.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/xomikenumawi.pdfIn PDF document text
- http://chroscina.com/userfiles/file/begojezivuwenujuwibevex.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/aeaa48db65f5a022b4af5b39281d9bf5/38281129723.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a98aa6261a8---goxusufos.pdfIn PDF document text
- http://elturo.ru/img/upload/files/54714103163.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609324ef599a3---8615912269.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5b5b7fdd0---xekenokiv.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/xopesojojoxojizob.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160997f6e0fe3d---3549805984.pdfIn PDF document text
- https://martas.vodrsport.cz/uploads/files/tuforogov.pdfIn PDF document text
- https://sardavetri.it/userfiles/file/91683503953.pdfIn PDF document text
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/gebid.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/16620800971.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/9443859021.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/103784232609457bdc7486.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/210m4cg1tdvqqf92cvng19l5i0/80983835853.pdfIn PDF document text
- https://sakkestadbil.no/userfiles/file/rufalesevixonogozarotado.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=iopidine+monograph+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_off0000ca4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA4E | 10584 bytes |
SHA-256: 41e2a92fdd658679baddae10a927d974b9948e732b1491ddc94a19da9c2ac5ec |
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font_01_sfnt_off0000e1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA04 | 17176 bytes |
SHA-256: 0a5255a99dd201a08049f641738e5d78d6e45d23a43e0548c974422f5cce4953 |
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