MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and functions as a link farm, with numerous URLs pointing to compromised websites and disposable hosting. These links likely serve to redirect users to malicious sites for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pistant.ru/uplcv?utm_term=color+my+world+flute+sheet+music+pdf PDF link annotation
- https://zanhotel.ro/beficientconsultingFiles/file/boxagugivibimup.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b9781601e67f08d9137a61ca7cd05801/42777848030.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/namij.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/tonei94ns58qgr4uim8hknsr3t/86502907916.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/518d2ec6302bacccf1633e87d050beea/64934922663.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/lanujipunota.pdfIn PDF document text
- https://globalcircle.club/userfiles/file/12264684396.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160772fdf6de30---rujedad.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/ropipubujifutin.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/13294079588.pdfIn PDF document text
- http://progfin.pl/userfiles/file/dunanus.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/javasulikuled.pdfIn PDF document text
- http://foxdigi.com/userfiles/file/gefegifer.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cbaf7436a---kigivago.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/jomevifatulajefojofojeji.pdfIn PDF document text
- http://ngoctraithaibinhduong.com/uploads/news_file/4672183755.pdfIn PDF document text
- http://wxjsyd.com/userfiles/files/lixazakurikupuvuzesogam.pdfIn PDF document text
- https://cristalensi.com/public/File/bosudatisexad.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae97edd9d6---boviwipurasidubagagewo.pdfIn PDF document text
- 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_off0000be36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE36 | 17888 bytes |
SHA-256: 06239de050193e4b349008cbac80b35d8b0f9968091070cf448354b18440fbb8 |
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font_01_sfnt_off0000ec2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10442 | 10948 bytes |
SHA-256: b4a8ccdb8f70851a32e3276b042a7f7f79c3207717a760ce3eb0d90b69a2e4fa |
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