MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these links. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the nature of the document as a collection of potentially harmful links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=plantilla+email+html+responsive PDF link annotation
- https://pasarangroup2.com/contents/files/59199164007.pdfIn PDF document text
- http://loadcell.vn/Images_upload/files/fanixikorija.pdfIn PDF document text
- https://12tiga.com/contents/files/66622140372.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f527546e54---gijuxowipawivanubomejiw.pdfIn PDF document text
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/letoxapuzi.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/43248409653.pdfIn PDF document text
- https://radiosmile.hu/upload/file/zafivuzituxenapugirotere.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/pomepobuvigaverikuturumu.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/6698678236.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613244ced349c---puxexinexodibadorewogigo.pdfIn PDF document text
- https://kstraders.com/userfiles/file/41353115871.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/32781349943.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/69573736383.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/besokokirijidoluwuxekeze.pdfIn PDF document text
- https://ferropula.hr/files/9547896765.pdfIn PDF document text
- https://edouardweil.com/userfiles/file/36907364686.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16136d2ce7f78a---58571353048.pdfIn PDF document text
- https://quasar.mago.ro/ckfinder/userfiles/files/jetefifuvo.pdfIn PDF document text
- http://quangcaosmsgiare.com/media/ftp/file/mexikekitomerukatujudewo.pdfIn PDF document text
- http://offerseir.com/basefile/offerseircom/files/77857169414.pdfIn PDF document text
- https://bazk.info/public_htmluploads/file/71656004633.pdfIn PDF document text
- https://mimpiindahsatu.com/contents/files/88375165238.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/melenasowejalobotene.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_off0000d1f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA07 | 10584 bytes |
SHA-256: dd8a4c5dd9e0ace648d11ceac8ed8889e648e37489eb44110b7f01c3f0393fb6 |
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font_02_sfnt_off000101fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FA | 17096 bytes |
SHA-256: 552867fc8c4d67cba4a022f1bd006573dd80f3e900cf7423ae66655c58111148 |
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