MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to obscure the ultimate destination. The ML classifier strongly flagged this PDF as malicious. While no scripts were directly extracted, the presence of a link farm on potentially compromised infrastructure suggests an attempt to lure users to malicious or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160785d67aa2cd---pubatobabu.pdf In PDF document text
- http://materialdeestudo.top/userfiles/files/dexisaxokerurijo.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/9c6adea686eeb94de5a2923293c21603/xuluvafowezojawof.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/tugowunevowawekisogik.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/nlgi3ak14e99g4r8dti9nqg6h3/retaxalu.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/01edf41bd8222aa5fe20a72a0fa7feaa/wusexejeratox.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/8dbbc9070ed03e1726b12e6f8bb216fe/lefojozukin.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/16212513935.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/n90llh19ft41d3lg0hhqk2p4m3/27698719830.pdfIn PDF document text
- https://goez1.com/10005001208290177/ckfinder/userfiles/files/33154974926.pdfIn PDF document text
- http://ssujaxchapter.com/clients/83257/File/68168672454.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083f960060e2---kizuv.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/b844fac0164234582cacb9a7725c9244/48241242919.pdfIn PDF document text
- http://elsekmont.eu/userfiles/file/27938870781.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/62bec783054b25ff7dc74f2cf75004bf/41704808377.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/tuzafepifogekuwodaji.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e14ef58186---vetobas.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/xowavogaxaxuwarulota.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/acbf885ec78089c7011edffc38d8776e/25130909090.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a82b06807---dojununirapekijajiw.pdfIn PDF document text
- https://falconshipping-uae.com/userfiles/files/posoruzix.pdfIn PDF document text
- http://jjinline.org/file_upload/file/86245106340.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/76130503891.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/tixigara.pdfIn PDF document text
- https://pindimana.in/uploads/file/dufikopedugevad.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c317785ff---fakefixusosazavuziju.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=add+ly+suffix+worksheetPDF 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_off0000d127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD127 | 17160 bytes |
SHA-256: a81f50706dfd3382090f5ab53e8e675aa96512513e1bd3095d98d3a373acb390 |
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font_01_sfnt_off0000fd39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD39 | 10660 bytes |
SHA-256: 16d4fef2f716d6716895a0414fe0f3ea7dad1c68d9e10125d24930cf26c06d3c |
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font_02_sfnt_off000115e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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