MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. Multiple heuristics indicate the PDF is part of a link farm, pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://jevades.com/aircraft/fckimages/file/83710399276.pdf In PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/j491cue8d3sf7vags98tbj5etf/lojiwunigixovur.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075509bac621---48358334255.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/bozatesinajipuruzed.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/firogakifonanuviluz.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/12631484837.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cc719279928---28743674287.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/wupolo.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a5da638c8b50b81e18cf5fe17c597143/razewusila.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/8be14adbb38f6ab66431723996c90f0d/zejipapu.pdfIn PDF document text
- https://kham.vn/userfiles/file/51375354695.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/saratebebesegusanixiw.pdfIn PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/suwimavuzigunuvo.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210624025250.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/7761emv0sfo03aj96sedneo7i1/57927212370.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/f0bc829bd52ba6840c7452aa61cdc2e0/72373975234.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f309e944c2---67744039428.pdfIn PDF document text
- http://eths1967.org/clients/6/6b/6b000f7c2bca5b3a89f93fde6b54c5e6/File/17790658204.pdfIn PDF document text
- http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/saxefazodemamavixogifeka.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf0db62d52---gifubuzoxusa.pdfIn PDF document text
- http://roberlo.cz/www/files/file/marojenigubewekaxujesade.pdfIn PDF document text
- http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/69999163798.pdfIn PDF document text
- http://domusanna.it/userfiles/files/retamaxefutitaponif.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/pawiwexudelujunevalur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ice+jaher+vahivat+mcq+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_off000116f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F06 | 18060 bytes |
SHA-256: f1a277dda022f641cc6c435eb7c56473ebc6c4edfa4eb10841cc0399fce4ba95 |
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font_02_sfnt_off00015eb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EB7 | 10740 bytes |
SHA-256: ba98cccf1c530daaae2f962b0c8a95994d9e6cfefbc3ea38901681c397a915b4 |
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