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 delivering malicious content. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded JavaScript likely redirects to external URLs, as suggested by the PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, which are often used to host phishing pages or download further malware stages.
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://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160962c8b9f576---47142792150.pdf In PDF document text
- http://shiinamotors.com/js/upload/files/jarejalofakoxawetu.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/93649945975.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/3ce868d56730e27837e9c03f9e8590dd/mopodoxizevoweru.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/34bfb08399afb58b92ee0bd989d95ac4/58236009928.pdfIn PDF document text
- https://allmassage.net/upload/file/20210522141640.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a4b0f0b67---47644472542.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/xiroganurakijopuzetedate.pdfIn PDF document text
- http://beveragesgs.com/userfiles/file/44875530801.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/rejomatolebemo.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb5beb2ff7---jofitelapaxim.pdfIn PDF document text
- http://leakefamilyreunion.com/clients/63964/File/gememuvexevi.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/tutusivifipofanemekuxinu.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/a3e2843b9f9cc39f7d204ef1542ac0c8/wonosutamuveg.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c160fab4a3e---sumizinum.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/aeitb4h0psre431mqjitkqgkp6/benoronodor.pdfIn PDF document text
- https://asi-filter.pl/files/file/koxigujatufifiluzixunubo.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/mafozijakobabago.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/67455337330.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/5be75159c9e3abe02051a10f47b5a096/77571525632.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e40dd78602---78576101372.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16081d82940097---39258286044.pdfIn PDF document text
- http://designpavelzapletal.cz/files/file/duxoxetaf.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c990169db---5326802443.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/6lsqce75mrnlarilshr3retst6/48732931898.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=can+you+root+azaleas+cuttings+in+waterPDF 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_off0000d9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E9 | 16344 bytes |
SHA-256: 72e9db83381f7d87a7b61bfb0a593438c6e36dd4a4832c1900ff1ce678500e58 |
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font_02_sfnt_off00011c52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C52 | 10796 bytes |
SHA-256: befe871c259e02df1ab167419839caa5320a061ebd10efa4a2d7a0170e2ec5a3 |
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