MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The PDF structure and embedded URLs point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b5c97a51---xawedinixim.pdf In PDF document text
- https://trexanh.net/upload/files/gafawizupusekufonofaxen.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/63972087794.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610899dc91a82.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/c14c74e7302d47307eff2314b932ffd5/71869312555.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/fa798e10e09897a54b35021f7839c663/juwonu.pdfIn PDF document text
- http://draftingfloorplan.com/ckfinder/userfiles/files/pasujetotikokususa.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e2eea5d33---92463449681.pdfIn PDF document text
- http://fittbike.hu/files/file/24664112454.pdfIn PDF document text
- http://2990592.ru/ckfinder/userfiles/files/sinekolilelima.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/9m0mguio4n1cemg5mev27gjt6v/77234030746.pdfIn PDF document text
- https://hirurgija.me//files/12480657897.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/wowiworo.pdfIn PDF document text
- http://kingnature.ru/files/files/21825852099.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075e808e6cc5---vupolevatumu.pdfIn PDF document text
- http://optimumnieruchomosci.pl/uploads/userfiles/files/56060265097.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b5fb590b8---duxugitetov.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/m6sh75rdjsc2nmgjcaebspl938/tukavomijevovebojosujudel.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c778bcd07c---81033093844.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/8b1fb5b27d7ad1e683658860ece1035f/85264723263.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/fekuzaziromodazejazapirak.pdfIn PDF document text
- http://timavoshipsupply.it/userfiles/file/7604262249.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f818a1a39---nodera.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/f563f54de4ead99704f279caffe7212b/zadezuvafixogubogujo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=physical+education+praxis+practice+testPDF 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_off0000e52e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52E | 17676 bytes |
SHA-256: 8841d207312b75d5de2206faf3491b79b6caa1aa8871a61f0adf8a0bc54434be |
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font_01_sfnt_off0001134d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134D | 10928 bytes |
SHA-256: 1f2bf6e5ad07a0fa2980b35680958e783fd5bd8dc4e28089b89a47e32c8ff1c5 |
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font_02_sfnt_off00012c9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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