MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised CMS uploads and disposable hosting domains. The document body is unreadable, but the overall structure and URL analysis suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://zoekidsworld.com/userfiles/file/tovuxavevowudizodowe.pdf In PDF document text
- http://metallpress.info/files/folajagolipoxajopuninowed.pdfIn PDF document text
- http://studioguidobarbieri.it/userfiles/files/tuwesetenowusagakun.pdfIn PDF document text
- http://mousike.it/img_ins/files/kenagigewijofisopufosun.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/59471174620.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/40095443549.pdfIn PDF document text
- https://amoslodge10.org/ckfinder/userfiles/files/20994554565.pdfIn PDF document text
- https://afayl.com/userfiles/file/wokadosigovamuwezok.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/18281820123.pdfIn PDF document text
- http://msslink.ru/userfiles/files/mazerasuzap.pdfIn PDF document text
- http://reestr.fgosvo.ru/files/files/65805757830.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ea8e10188022ed8b3bf054cff3fca4e3/barubekijemekez.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/keropopujigexolaba.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/tiginukenisegelojazi.pdfIn PDF document text
- https://saya.ro/app/webroot/files/userfiles/files/65419078474.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/215f13f48a54de9b733802734d9ae27b/nujezugam.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/baresev.pdfIn PDF document text
- https://rajatotogroup1.com/contents/files/85516509594.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161572f54e7cd9---29530862806.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/dozurefutezuv.pdfIn PDF document text
- http://parafiasadkowice.pl/pliki/kopudu.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/mozalifaja.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/suzesanapisuruwipimij.pdfIn PDF document text
- http://peoplefineart.com/assets/202109/files/20210909035626874674.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/BGAemAmcdTc/uplcv?utm_term=is+my+audi+a4+b8+or+b9PDF 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_off0000d7f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F0 | 16624 bytes |
SHA-256: 32fb0e17c188463e0d600ed695ef573c223f0b5ca50094ab2f14ac92bc050571 |
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font_01_sfnt_off0001031c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031C | 10788 bytes |
SHA-256: 5900394309d9a368ad8677aee0452534dc12d64343fa40d26530195d589e2357 |
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font_02_sfnt_off00011c03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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