MALICIOUS
104
Risk Score
Malware Insights
The PDF contains an embedded JavaScript stream and a significant number of external URIs, many of which point to compromised WordPress sites. These links appear to form a link farm, likely designed to distribute malicious content or facilitate phishing attacks. The ML classifier strongly indicated maliciousness, supporting the assessment of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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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 https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/7ac041d43c747c04dbc29da478a58b66/tapokupofewonofatu.pdf In PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/ea473d28127ac3cf39b6087d3e3a05c1/64135940812.pdfIn PDF document text
- https://gkscam.com/userfiles/file/zutekak.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4ac7262750---nuladijuniju.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d56538fee---3414624949.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e673d0bee6---74395201507.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/8784658209.pdfIn PDF document text
- http://ipceurope.eu/assets/file/84538865720.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/la9r0p22gob46vem7lgrpibqkb/zizazewobib.pdfIn PDF document text
- https://cmsschoolkg.org/userfiles/file/pagawizikix.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a037acaa1d6---26595961241.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/95954146921.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/6c323820fb093c80ee89ff0c7202faf9/71320017287.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/fepikagijitudupojezudat.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/f58497897991040f0046f0d83418ee47/jurobasufuvutubeponab.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086719c82700---lotumonutemel.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/84eo08nmq3rha8u5jjt466r3re/56893589341.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/bezobetovalemozodenopapad.pdfIn PDF document text
- http://zoncmswebsitebeheer.nl/files/editor/file/60431848348.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/1638189873.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/67133029284.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/xudirevekawirojigi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=canon+imagerunner+advance+c3520i+manual+pdfPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/98f1fd34bfcda3cbe80d55d7e7fffd24/96216277911.pdfIn PDF document text
- 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_off0000c814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC814 | 15276 bytes |
SHA-256: e9990d37347418566e8bf78f3c25b25f87309591e36a2aa89e9d88bdf4830106 |
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font_01_sfnt_off0000eea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106BD | 11444 bytes |
SHA-256: 8734b08408c284f0c1e260da69cfa2a06bac947a90d01491b98b859867dfd18d |
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