MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites and disposable hosting. This suggests an attempt to distribute malicious content or conduct phishing operations, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/52e6e34be18fe082f6936fe4780ebb62/95623562139.pdf In PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/33baf95881e1d87fcbb9f07111edc2a1/56545346524.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/pofivipulanot.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b518a86494b---liseg.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210717211708.pdfIn PDF document text
- https://menu2uplus.com/images/file/73726309616.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160881c53ec1f8---woverupojigal.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16078e23c93f4d---80185497653.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cca619d584---75000585965.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1620588286.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c938a811d3---24870691239.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/pusixavanabodudogado.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cb6774a5d---kepodabonedosogukujakasi.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecafc5b237---fazipegesoxemimaxedaguxi.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/27989cdf09e93651fd0a8ec2cd46c0af/18168142550.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/9r962r7oq8966713ud6lmao0fl/11152057248.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/97022265487.pdfIn PDF document text
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/044b157f92a93a448ae624d49598fc7e/pifiremutov.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160970f8613953---lokaxufofo.pdfIn PDF document text
- http://consade.com/userfiles/file/97664414382.pdfIn PDF document text
- http://limoride.net/gallery/file/76128591076.pdfIn PDF document text
- http://buren-kompanie.de/userfiles/files/voweliririparofejib.pdfIn PDF document text
- https://srmresidences.com/images/bulk_images/files/25858077723.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c78b24801c5388de311b145d25769ef2/bimolizonufasotole.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/86680973194.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/b1b2b1e3562e83109f7a98a4efc0c061/witiligaxuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=tmnt+2003+attack+of+the+mousersPDF 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_off0000fe2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2F | 17064 bytes |
SHA-256: e030182dffdbbef12003a4b642b839f4d770afd19e5113f0a0a2f6d708baa36d |
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font_01_sfnt_off00012a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A79 | 11032 bytes |
SHA-256: f2709bbf7febe50de0db22971cf3c271e19cf6308684aedc1b092698dc8dfd78 |
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font_02_sfnt_off0001441b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1441B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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