MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites. These links form a link farm, likely intended to redirect users to malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de2c089b86---79688109825.pdf In PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a50fb37c804---49277207553.pdfIn PDF document text
- http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/guguvidizufapekodali.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160709b8ce6961---33079492445.pdfIn PDF document text
- http://lakesnwoodskerala.com/uploads/file/tilitenoloxomadopekufozo.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/88672436040.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/68247955809.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/peporawi.pdfIn PDF document text
- http://industrialdevices.in/uploads/wutagusogezowu.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/mepojolar.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/270882e196f321ca597f00b36da9dbe6/fipapuzuresakigilapis.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/bepulupotofuvow.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/ujt37rvs478varq9ej7bmmngc0/63042721508.pdfIn PDF document text
- https://wendi101.com/userfiles/file/tuvilowa.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607db399ee4a1---91676494057.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/kofasuxokojaxonama.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/68468478879.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/loved.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/c921b1656afe81b52bfa4a9a06e47511/zezomeriwajomexipebaz.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d5bb05b04---wadisokekin.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/4g19qvmrmkit8pcgrp5h8u07oj/bowisajejalefawejapokiwu.pdfIn PDF document text
- https://alubiasdetolosa.com/files/galeria/files/pizapotetutuduxiv.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160721b9d5ad7e---jomajelizalatoselu.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/funumeb.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/ol5gf41a01oa3c4s72n6bsvflk/bibonekaxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=multiple+images+to+one+pdfPDF 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_off0000e733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE733 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF45 | 17060 bytes |
SHA-256: c66c6a435e4fef30b0906193870d19bbb9b741a4a3ca19ff96a826c36d0d0c31 |
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font_02_sfnt_off00012bdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BDD | 10832 bytes |
SHA-256: 4290f279f7e3074145b183b213d9252fa3ce25c756afaed0b1b8d2341dd7d029 |
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