MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs that form a link farm, a common tactic for phishing or distributing malware. Heuristics indicate these links point to compromised WordPress sites and disposable hosting, suggesting a malicious intent to lure users to potentially harmful destinations. The ML classifier and ClamAV detection strongly support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://infrive.ru/uplcv?utm_term=fmovies+watch+free+online PDF link annotation
- http://akwarella.pl/user_uploads/file/41627756682.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/11732736230.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/dexasilivevuwofogone.pdfIn PDF document text
- http://bularz-auto.pl/images/userfiles/file/nubibogotup.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/38740621438.pdfIn PDF document text
- http://wajl.net/img/file/20219643251.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efefc115d8---42989164665.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/kchetstek3np2obbmsnc79rqo7/69029481724.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/dopubefosamijoku.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/34289656056.pdfIn PDF document text
- http://cserepakciok.hu/xdata/file/guxasizugitepud.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/99385839492.pdfIn PDF document text
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/janawanupixosumigivewo.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/gezowatemu.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/88227175894.pdfIn PDF document text
- https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/24795986639.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/42303688899.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/2db847b349d25673591da56739b2d90e/95727729907.pdfIn PDF document text
- https://metricgroup.it/uploads/file/27875096536.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba22cd1930---28203764061.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/fizonenizi.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/eirmituvj5jsuiqj5aophimufg/bonixanalogitebozizegij.pdfIn PDF document text
- http://dalaichau.com/files/74742215394.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_off000114b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B6 | 19844 bytes |
SHA-256: 65eebf9eb5569afc6c48f3817814cc23ad1fff92af48da8688a422592072d5b7 |
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font_01_sfnt_off00014924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14924 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001613b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1613B | 10732 bytes |
SHA-256: 4b33722897f1deed20fb5756743913409b92b81a63588f183dd5bb934c15fdc6 |
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