MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous links, many pointing to compromised WordPress upload storage or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
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 https://fratellifurloni.it/file/74182577486.pdf In PDF document text
- http://sangjeom.com/userfiles/file///48326423511.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/80801990701.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/ruweketos.pdfIn PDF document text
- http://thainightjob.com/ckfinder/userfiles/files/rusosabudonenedavadaxu.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/d4675604ef153ae8ae9f04543db5f144/71201073488.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/gutuxaz.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/3bd3d6b56e9f8959c58d5cdffda0fcdf/ranipagotuwedimiginipuwe.pdfIn PDF document text
- http://salman-group.com/userfiles/file/65514254479.pdfIn PDF document text
- http://tercovci.cz/files/file/polibope.pdfIn PDF document text
- https://masukpt2.com/contents/files/xulozanewofet.pdfIn PDF document text
- https://barrierball.cl/ckfinder/userfiles/files/8983346817.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/40438605750.pdfIn PDF document text
- http://leprofit.ee/cmsfile/contentfiles/ginudenufiluwibuparuger.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16135a061808d3---72166137905.pdfIn PDF document text
- https://pensiuneaselina.ro/userfiles/file/91417834776.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/dilimewanefa.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/60427992188.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/piwowivukarumawapalur.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/68851174371.pdfIn PDF document text
- https://csp-pub.com/stockages/files/remosomeguzumo.pdfIn PDF document text
- http://hoaphathotel.com/luutru/files/24104422275.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/74652686632.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/bixekoriwaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=usb+loader+gx+iosPDF 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_off0000b614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB614 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE26 | 16068 bytes |
SHA-256: 677f86f2be9634051eef640d0450fce146c5cebc2fcf8774d48ed9d6cd4b5c49 |
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font_02_sfnt_off0000f72c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72C | 10472 bytes |
SHA-256: 76e8eeea9bfa272c225242ada856cc84ff04e4921ab76a2f14372290a7f008a2 |
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