MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple unknown URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic confirm the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614da09ed539c---59344116011.pdf In PDF document text
- http://chandigarhdatarecovery.com/files/file/zajolulisojixurixipiza.pdfIn PDF document text
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/86186330382.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/dojerolobiwivogogis.pdfIn PDF document text
- http://epilia.com/upload/FCKEditorfile/devowobawedi.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210913040930.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/90865911430.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/woselevovobaxapapapagoda.pdfIn PDF document text
- https://fobh.net/userfiles/files/zodet.pdfIn PDF document text
- http://seatraderhk.com/userfiles/3200322680.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202109111645028384.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5eb21d4c3---fomezawuvubebowugexibupil.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16148937c4ba60---viruro.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/zadowaluguwugugufujejixeg.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/file/6630146011.pdfIn PDF document text
- http://aviatechinform.ru/sadm_files/85762043732.pdfIn PDF document text
- http://louisamerino.com/userfiles/file/21619202460.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/jobukukibage.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/5224543125.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398c61c510c---lofujoxuroliko.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25072906647.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/59058303316.pdfIn PDF document text
- https://commonlawhouse.in/userfiles/file/romep.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=fortnite+chapter+2+season+4+item+shop+skinsPDF 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_off0000b351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB351 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB68 | 10860 bytes |
SHA-256: 18c79c573003af3bece9b0751a55a06634f365a119c0aaa8b074803886fd6926 |
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font_02_sfnt_off0000e45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE45E | 15468 bytes |
SHA-256: e667c23e9fc0fe79858c04bfe55c2aeeaf7ccb004ddf12833a6c8815cede63d7 |
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