MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The sample also contains numerous links to compromised WordPress sites, indicating a link farm designed to host or distribute further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/n3irg8i7h8lvbefue2odt990nu/jefebefevinusukoke.pdf In PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095fd91aa9ac---58443158793.pdfIn PDF document text
- http://ikuma-car.com/js/upload/files/21499462562.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/5e1cf3ac319d79c46c7657a24f6621a7/27616572918.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33146349d2---majowamisutod.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/68883860617.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ed30875e6---76609177589.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/xibalekova.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/7778414601.pdfIn PDF document text
- https://medpressa.ru/files/file/nixodusidavogivesiwuje.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160dba713bd1e6---72764027524.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/7cf8ee1ae75fb8fdd7919101bba88f02/vetobuz.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/lewesewiritebovunomegiso.pdfIn PDF document text
- http://verynailscm.com/user_img/file/mamepojazas.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/197032034.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/805801a572ea6e9617450397897856ca/kunogudivokenofime.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/xodutofatuvevoxodovoti.pdfIn PDF document text
- http://bougerpourstarlight.org/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/18550635981.pdfIn PDF document text
- http://18554080.com/userfiles/file/17293883461.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/retetizinoda.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607aad710d362---dikosisesuwijujox.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b3ba9691a---wevutimo.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e88eb0592ec---57413242074.pdfIn PDF document text
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/kuct9kb919qhsvmc3eieeouc1r/fixerotureratanuni.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/23961466886.pdfIn PDF document text
- http://mrukseo.pl/userfiles/file/guvixowona.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=escape+from+mr+lemoncello%27s+library+pdf+free+onlinePDF 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_off000112e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E0 | 10952 bytes |
SHA-256: 9c18bc80566dc4edfe39f0f0e9cd4417ce747f88ec50a99af69bf1fe6c4f65be |
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font_01_sfnt_off00012c0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C0F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14421 | 17740 bytes |
SHA-256: 11bc95c1adddff018208a17004397607f60f8737a78612dd5c967445aad604f5 |
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