MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics indicates a deliberate attempt to obscure the final destination and potentially distribute malware or conduct phishing. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/904b868f49d45b32a6be9dd594d89268/87832245686.pdf In PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3b237f2f0---31017394395.pdfIn PDF document text
- https://incense888.com/uploads/files/202108221038017046.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f075e396d656d71ecfa13ebea2fbf520/37810538408.pdfIn PDF document text
- http://atreve.eu/ubezpiecz/obrazy/file/24181276145.pdfIn PDF document text
- http://kxzyjy.com/CKEdit/upload/files/60872566900.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/vabufipajibafarebomizigap.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f3711ab9c77---63860222910.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/genijipujagok.pdfIn PDF document text
- http://madang.eu/f_pds/fck/file/vefukofibobasusid.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/su2f2pftmg9tma83t60ad9gqjj/fijivubilaze.pdfIn PDF document text
- http://arniestribu.com/campannas/file/dinavazawaziveraxeridu.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/59372428341.pdfIn PDF document text
- http://bienbao.org/uploads/files/sevitibelapu.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d38c552dca---98503231648.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/dejufarijute.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/jejug.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/32856024308.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/4566989053.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f675a9946---3031964687.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161106d7868e44---53634328381.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/40339670110.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/vsccc9riejhcv92u48vg7tso80/ziravolaberutebev.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/8662588363.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/0f4fef08c3df9041376b97d6b29527e3/xabagepivofebujipo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=oxford+modern+english+book+6+answersPDF 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_off0001ec78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EC78 | 21364 bytes |
SHA-256: db4b3cd826e83a59aca9ce119748d410645ee478d95c7fddfb4f0e095d199393 |
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font_01_sfnt_off00022496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22496 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00023cad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23CAD | 11316 bytes |
SHA-256: fe696d647e9fdbc944573e73466e353c3e5d27d02a11c85851829b66c9691acb |
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