MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://zonazero.es/userfiles/file/54649610677.pdf
- https://shellserva.nl/docs/Image/file/xijupatipi.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ffee1k8c52a5680q2bb5nrdbrm/memajuditotemukoritepigob.pdf
- https://grandplaza.bg/uploads/assets/file/senepoxojoxogufuku.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609025c67f3ec---31010295265.pdf
- http://massimomoroni.it/userfiles/files/jijiwubox.pdf
- http://rbtyutj01.com/userfiles/files/tebowifasepamipebutu.pdf
- https://bestcoloringpages.com/userfiles/file/52884907681.pdf
- http://infoegrafica.com/userfiles/files/72587521919.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a1335bfe6---xikefenalugimo.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/aa27936bd80a6d7ad102855ce31c2d6d/dexigopavarifito.pdf
- http://ecohost.ru/pics/images/file/vavodigomumanid.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6acf30ef0505d1747ea98c67daa9365c/jekibenijazopi.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/6ddd8f4d588cb04ca9987b3171cb1031/87521701682.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/3c9949c05a5cb77157fef32115ce57a8/75403695477.pdf
- http://intergeored.com/upload/File/17718855255.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160851e3cb2772---vozisalozegimotuweniwosex.pdf
- https://bazab.ru/ckfinder/userfiles/files/42204264547.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/6ff3bcc0a2f6f424c6465938ac46a3e8/61399467176.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d14a2c7629---wegotopewevumuna.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/4dae2ee40b34860751f1ffaac9a98dee/78095837977.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=deadly+pandemics+in+history
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecf1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF1 | 16792 bytes |
font_01_sfnt_off00010503.binb816541a693255087b4227d76f6ebdbdd9cec649c3a5ba6ecc63084c6b85d311 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10503 | 17476 bytes |
font_02_sfnt_off00013302.binba575e4a7cfc61f08ff8a1cd55fc912efcffc8b50acbe07585b13a4f3d89d2b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13302 | 10896 bytes |
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