MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous embedded URLs pointing to PDF files hosted on various domains. Several heuristics indicate these links are part of a non-clustered link farm on disposable hosting, with one URL pointing to a compromised WordPress upload. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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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://equantumconsulting.com/files/files/64926470080.pdf In PDF document text
- https://performanshost.com/calisma2/files/uploads/89917544438.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/sepoja.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/48142777925.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1d6703bb5---puzejaxefe.pdfIn PDF document text
- http://mextro.de/upload/files/fujowudilawenefemoxojodi.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/d5f2e0d0cf45c8283d4442efae0a0f56/nejujimogasige.pdfIn PDF document text
- https://tyko.pl/userfiles/file/72358900506.pdfIn PDF document text
- https://svenjakretschmer.com/ckfinder/userfiles/files/54261281893.pdfIn PDF document text
- http://www.cemeba.com/uploads/ckfinder/files/43328763421.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142dfbf5c029---sibonugekumaru.pdfIn PDF document text
- http://gtlitalia.com/userfiles/files/gubezifulananifogewaz.pdfIn PDF document text
- http://munnarteabungalows.com/userfiles/file/gobimujugagowubamokuva.pdfIn PDF document text
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/46896743998.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/56489720929.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210919170528_1582539708.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/96859747457.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/48400160838.pdfIn PDF document text
- https://www.tyrtaios.gr/ckfinder/userfiles/files/43187273188.pdfIn PDF document text
- https://prosaison.fr/userfiles/files/lazefuz.pdfIn PDF document text
- http://stluciachamber.org/uploadedImages/contentImg/file/javuvebepivusolowisan.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/96043430296.pdfIn PDF document text
- https://restaurant-kamkok.fr/img/Data/file/vivivuzeruvu.pdfIn PDF document text
- https://granitabrasive.com/editor_up/34889013477.pdfIn PDF document text
- https://calprin.com/ckfinder/userfiles/files/44063812028.pdfIn PDF document text
- https://wisserarm.nl/app/webroot/files/userfiles/files/13774773064.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/91487769036.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=apk+play+store+download+app+installPDF 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_off0000d92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92D | 17392 bytes |
SHA-256: 94767c158105963c0119c642d9fbf123b58a95b5063cf9ffc18f96f809a7fcaa |
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font_01_sfnt_off00010603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10603 | 10656 bytes |
SHA-256: 4781911f29992b4976225d916d0389613feeabf41da920f7876f92927adb2649 |
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font_02_sfnt_off00011eb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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