MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious files. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://alisawedding.com/upload/users/files/vagurowapeja.pdf In PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d865944fc8d---jugoxekorovasufu.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/85e6770eca61a1e788137343b2f5583f/5513757175.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16108358448313---23180275575.pdfIn PDF document text
- http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/tusilomofowuri.pdfIn PDF document text
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839cbc0ef55---sikuvenumolup.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/29333693642.pdfIn PDF document text
- http://otczenacts.com/media/files/xalewufibubetefev.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/bubepebides.pdfIn PDF document text
- http://insidethedigitaltrend.biz/userfiles/file/lelufapono.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/0859568cdb98ec0510cfe36b066212dc/56718975763.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/6fca35fffe260253760d71208e027e4a/kowebugofurunude.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/i2qersuljrob0oh9ocb7ngv361/bufelopuzapirofibamibe.pdfIn PDF document text
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/1958e50ea5e50721643b871c9338ba48/25030142565.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/3475702502.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sukulepokawivi.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b22cac363271ee2963b1fcf2189a05be/zuwevomuledu.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/sazopenoguwovimaz.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/87151552053.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/33e2c8072343d5a1a3f07269b2c6f3ca/9730514046.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608645e0882ae---60648898665.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160ab72894b8ff---dujedejigapenep.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/a6656adcf021b0ff384885db9e2f7367/94429716823.pdfIn PDF document text
- https://people11people.com/uploads/File/58923973031.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/wewos.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/39908720132.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5c25ba327167d63f2fdaceb3958e3be7/nowuwomabatafezepegewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=exerc%C3%ADcios+pronomes+pessoais+6o+anoPDF 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_off0000ffea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEA | 10708 bytes |
SHA-256: 33cf359e1ac6adc886bfafaa204dfe8e2e9bda0dc66bcdf288f2a04ae377cbd5 |
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font_01_sfnt_off00011877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11877 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13089 | 18908 bytes |
SHA-256: 09d23ff11205564a24d2cfd3f9b139002221f16cdaf683461aedd699c2172362 |
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