MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. Although no scripts were directly extracted, the structure and heuristics suggest a phishing lure designed to bypass gateway scanning by encrypting the payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16083504fb857e---retosuxum.pdf In PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094b2447ca93---52051348995.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088749deaaa5---rowunubiniwezov.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072afa74a3ef---35333456450.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/8d55a53f8ac92d34094be06a8afe13b4/dugonulisofofena.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/fc904423f30c412d2b0b20b2191117db/definuzago.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f409546b0c---sapad.pdfIn PDF document text
- http://soupworld.de/upload/file/lawetirijixika.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c508a1e4c3b---namifosu.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/67095186424.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/201206c98df9b871864d85082d2fa3d1/42082736907.pdfIn PDF document text
- https://tipresentoio.it/images/file/bujavofifowerapito.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/safaligizerofanelome.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16097c60f29f9c---18545584937.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607883ea55582---gudebefosixup.pdfIn PDF document text
- http://planbmedia.hufiles/rakobiwolosajiw.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/8bjf83pg3mhd6jmi1usv5a9d50/faseresidevetural.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/zepirawineloxejij.pdfIn PDF document text
- http://bakkervoorwinde.nl/app/webroot/files/ckeditor_files/files/sivavigixo.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/77851745859.pdfIn PDF document text
- https://diaochue.vn/userfiles/file/85652022734.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607670fb08781---buzikolilozunodanaboxuder.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abbf3396ed8---20423141212.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/94c5e79420fcc87ee32d907495b0b197/dosugi.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/gasigutigoruzixugegurer.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=email+stuck+in+outbox+gmailPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/d1d0ab66211da46733198c33beb8b152/48649274686.pdfIn PDF document text
- 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_off0000f353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF353 | 10756 bytes |
SHA-256: e17a92aa2ce988906c5c81fb02307cf269246bf7f6acc315b2e4591cddf38421 |
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font_01_sfnt_off00010c14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C14 | 17120 bytes |
SHA-256: b805cdbf26fd3c643e9d437e9e55787cfc6da63b8728092c3565e466b7bad9d9 |
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font_02_sfnt_off000138e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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