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 PDF vulnerabilities or delivering malicious content. The PDF also contains numerous links to external websites, many of which are hosted on disposable or compromised domains, suggesting a link farm used for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ferrogep99.hu/static/media/file/faxebil.pdf In PDF document text
- http://moveworldtogether.com/datas/files/75458027516.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/29818907787.pdfIn PDF document text
- http://podarox.ru/public/files/banusoliwulafol.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/56420033293.pdfIn PDF document text
- http://darec.sk/files/files/jivikulimikuluju.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/lelibagapiti.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c34e78d3a---wisawakomo.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e69eebe05---63891979829.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c69322d8e5---xodixak.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34e1a756e---28792213548.pdfIn PDF document text
- https://mollis.rs/files/92787065827.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/16256733594806.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/jofijikefemupijipig.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/009cf50b43069cc4f12a4765fccbc549/17742916317.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/65264060130.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/99251500760.pdfIn PDF document text
- http://vietthanhstone.com/images/news/file/lorawogelekujoni.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087dfec6c00f---torofisojuta.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/zujimarinituvelimu.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/83df794798df738b2bf00e1b342a8116/98303727159.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/961089d8e48c8d8805d41657af896540/35836747946.pdfIn PDF document text
- http://vincentianssjp.com/userfiles/file/lesalowoduvulam.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/0bb412731cecf039b07437f1b7d09225/tetaxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=keith+l+moore+clinically+oriented+anatomy+pdf+free+downloadPDF 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_off0001129c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129C | 10908 bytes |
SHA-256: ec0e82348ba3ea1a443d1aad2c7dbf1c9a9761f5167fe8614c5fdc936bd59f70 |
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font_01_sfnt_off00012bb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB2 | 17904 bytes |
SHA-256: cc8b7f158cd121a0987eecf1135c364558d15e6878eaccdf082c1c145158649e |
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font_02_sfnt_off00015904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15904 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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