MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing an embedded JavaScript stream and a large number of external URIs. Heuristics indicate a link farm hosted on compromised CMS uploads, suggesting a phishing or redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abb5580af7b---zofitarixujasadem.pdf In PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/88c7kqt2auoov48gjjetk10c14/budazigababelelisulox.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad2f7d34c9---64545975990.pdfIn PDF document text
- http://orderkai.com/uploads/files/21428253060.pdfIn PDF document text
- http://gesundheit-im-blog.de/userfiles/file/nufibonixogepujaruz.pdfIn PDF document text
- http://stattus.com/assets/file/29217709229.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/60729997117.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/66777084033.pdfIn PDF document text
- http://www.schule.havonix.com/ckfinder/userfiles/files/dofixat.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/fe16576935393c2e54b428761e70d568/19564530231.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/xakupupuwijugoborot.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/180e214f45b1cd3cd238b4d50105ef22/vedoniji.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/8140be6402e8d12de1e1a59a44aa31a6/fewisewopagijon.pdfIn PDF document text
- http://dancedynamicsla.com/clients/38740/File/88223326331.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/11417a1b7bc75260961ce06b2c9c7c9c/89518144280.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/805616c8ebbbfcc6c8ebc170b6c2edb6/fuluzitetirotukavovunos.pdfIn PDF document text
- http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/60518140676.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/mogozosidilavoredebogoto.pdfIn PDF document text
- http://scuderia512.com/js/upload/files/81593559925.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2e6bf8553c---kodof.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/d8ek4t7146hgq29d09bt95k1ng/90414990186.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=dewalt+720+radial+arm+saw+manualPDF 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_off0000b984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB984 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d19b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD19B | 10768 bytes |
SHA-256: 59385774ad37f4fac0e89e85113d07147acf1d385a65c816e63d098b61feae87 |
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font_02_sfnt_off0000ea8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8E | 16908 bytes |
SHA-256: a7b1eb2793b1283668b6a2b74c277c28a0cd40bd9cd2954380dc70959c460f8e |
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