MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://ons-station.com/editor_upload/file/vaveki.pdf In PDF document text
- https://cplastik.com/data/cms/file/mezebasawozimi.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/84554277762.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/zezeveso.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/3423128290.pdfIn PDF document text
- https://discovery99.com/userfiles/file/limopomu.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/getutevijabojabizibumoxe.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/zudab.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/fosesidozupavivosuxu.pdfIn PDF document text
- https://designclarf.it/file/kutoji.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/kutatizaridep.pdfIn PDF document text
- https://ww170001.linebot.net/upfile/files/20210924080721.pdfIn PDF document text
- https://dulsuc.cl/userfiles/file/53556717468.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161388cd9eaa64---tosusizowagumimu.pdfIn PDF document text
- http://strelnicebudejovice.cz/userfiles/file/69897134756.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/ruletumosopazafiwipabi.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/javekunojatilabonuzokime.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/969707b0e290b2dba5de546a9adb18fb/fudolizobarikemixajavipa.pdfIn PDF document text
- https://geloracinta.com/contents/files/xovomavoloranixuzigap.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/83866314300.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137c5deb2814---44327716024.pdfIn PDF document text
- https://sydneystudytour.com/accounting/userfiles/file/wizisadanemebedobig.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/gixuwuruzugupudakovejogeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=1337x+cat+moviesPDF 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_off0000b404.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB404 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC16 | 18304 bytes |
SHA-256: b9a54f3dfc774272bdba684e59ac9db6009281fc85a20184b4a6a5df5a935d3b |
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font_02_sfnt_off0000fb70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB70 | 10484 bytes |
SHA-256: 03877bdd72113b41d479aac0d6e0dc0d3e3014295aefb63737c20c5233e43320 |
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