MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs lead to various PDF files hosted on potentially compromised websites, which likely serve as the next stage of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759db19158e---xutijotigelifusut.pdf In PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/jibivotakijeme.pdfIn PDF document text
- http://okwecare.com/usr/userfiles/files/suxuvuzulemeku.pdfIn PDF document text
- http://pettwayfamilyreunion.com/clients/39389/File/zuzitelaremufovixuvov.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd569a73cb---20994809747.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/mebirop.pdfIn PDF document text
- https://forthepeoplegov.com/userfiles/file/35519357062.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8978305bee---539939736.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/7c6e8092caab7fe906a97ee293f0eefa/tipoxozujonidoxibirifosa.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9917b442b---jakosaguda.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f5cabc2b5---14379619894.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160706c196e253---rimukupib.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160772fa7ed5d6---44133213819.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c01d7a4be5f---38536662500.pdfIn PDF document text
- http://siciny.pl/userfiles/file/mosamowodajexiwufep.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/b93abf2ac05cdaa1245c5fb23ec8ae95/20976691478.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/70592739261.pdfIn PDF document text
- https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/pepexizut.pdfIn PDF document text
- https://avenue102.com/uploads/file/romenodose.pdfIn PDF document text
- https://keyseries.us/userfiles/file/84998159572.pdfIn PDF document text
- http://geoman.cz/data/file/83544496789.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078714c60fb4---64846839175.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/1386c57196c7b1279e980fef84a36609/nejeluvudubugatu.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/1cfs6k10c0gm7pmq2sgsuou76q/mixanagejomarasibule.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16078820b43ec1---65227440574.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b054083096b---3290843562.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/1656aeb5c67c8e25e1e3456fd3d63e6e/87616914231.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=pdf+to+excel+converter+offline+installerPDF 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_off0000d625.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD625 | 10636 bytes |
SHA-256: 45354672fff08f63c5096f2979d8a03f8e727ff37bda61b0c12e82674f903273 |
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font_01_sfnt_off0000eea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA8 | 16956 bytes |
SHA-256: a8c30c5f0b9a3662ebf78b92925b1196e686340ddb9cd211a4251a47dedfda27 |
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font_02_sfnt_off00011af9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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