MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a malicious PDF detected by ClamAV and ML classifiers, containing embedded JavaScript. This JavaScript likely redirects the user to external URLs, as indicated by the PDF_URI and EMBEDDED_URL heuristics. The presence of multiple external links, some hosted on compromised WordPress sites, suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://carrasvilla.es/uploads/files/62988678269.pdf In PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/vororimimomagesiveve.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/24962223769.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/boveropawe.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/992da28a50c74811df9f28b121a1cb91/75134825492.pdfIn PDF document text
- http://phantasos.org/userfiles/file/85873073886.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/95344853700.pdfIn PDF document text
- https://diamond-marketing.cz/soubory/32313252474.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/96712051443.pdfIn PDF document text
- https://hilanguage-com-tw.triangle-design.com/files/xilisimosanazikelu.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/vapojerapur.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139004dc1ef8---36405847580.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/xorojokogifen.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b203131c19---835439403.pdfIn PDF document text
- http://sjmhospital.org/files/js/ckfinder/userfiles/files/dabexax.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/vosumawulawowogireturabe.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/43323843327.pdfIn PDF document text
- https://amd-export.com/site/upload/file/40871393915.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/38974216828.pdfIn PDF document text
- http://dulichgiahy.com/upload/file/22551862836.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210910231517_844677129.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=stanford+prison+experiment+watch+online+freePDF 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_off0000d2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2CA | 16884 bytes |
SHA-256: 6d6bb4ec3a83ab6d0667458efe1833530b964e534b1fed00a312ed2af013df3c |
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font_01_sfnt_off0000fe5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011672.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11672 | 11148 bytes |
SHA-256: 06f2242853c585b338a89a0b38ae6ee58ad72a82d4150139c4bea0972ad24151 |
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