MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting vulnerabilities or delivering malicious content. Heuristics indicate it's part of a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://samuiluxurytravel.com/Uploads/file/gorejiletal.pdf In PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e4107d0e1---zovumadipufev.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3911b411debadf55226b377d35f1449d/18651077135.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/bukoragewenejepax.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c53a7b7fcd---76298491457.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e23a3144d---38390667834.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b03d1f113e5---kaselixadedowowumuwalele.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609825258835b---43558032781.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16088759b8c786---21844245215.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/74a31c27a384b7d4cee95d576168cea2/bokikegolejon.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/o451gpgnbk49hlrq1kvp0ag1d0/70182279870.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/jimilenikujananad.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ede45bc43a1---88423312413.pdfIn PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/jijisodugesusiviru.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/0c29bd057c9660ab4ad2a533ccd27629/99616195846.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/81fecda6e166b44bb383644075297ae3/16029425347.pdfIn PDF document text
- http://kpotplace.com/uploads/files/rovipevubav.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16100655041456---jetegezapamoposoludodige.pdfIn PDF document text
- http://vallovin.it/userfiles/files/ligujugiperosajofasa.pdfIn PDF document text
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/2ussv1qj2828slibdj0ptn2tu7/dudibixizevofev.pdfIn PDF document text
- http://expertsystemgroup.com/file_media/file_image/file/nasusavowoni.pdfIn PDF document text
- http://tinhdaurosa.com/Images_upload/files/sugaxamulujor.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/9f84747eb5a45394b8929483b710d874/dopiridazokudagedipipotu.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/vawawubujukabe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cuanto+equivale+un+metro+lineal+en+cmPDF 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_off0000cfd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD1 | 18392 bytes |
SHA-256: d496829e2fb70274fce63c8f9d4aff5c089a9f466d913821590fbfa9f2c50ed5 |
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font_01_sfnt_off0000ff08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001171f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171F | 10568 bytes |
SHA-256: ad6eb16ef0b49c64827cf5d76fbc5b2d078e5d90aef9ef673e720b61202ae3ed |
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