MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external URIs and links to websites, some of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://infrive.ru/uplcv?utm_term=dragon+ball+heroes+online+english PDF link annotation
- http://solartgaleria.hu/images/file/bidiwi.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/xevulemabakixo.pdfIn PDF document text
- http://otczenacts.com/media/files/fokoderil.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/jimiwifipes.pdfIn PDF document text
- http://ap116.ru/userfiles/file/87985986620.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/xubuvitaratanisab.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e24f859510---7441845534.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/29196383570.pdfIn PDF document text
- https://lapakunited.com/contents/files/19258999570.pdfIn PDF document text
- https://almuhja.com/ckfinder/userfiles/files/30064136638.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/lananovobapo.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/1p0ofpu672fkcc4odmj65thb7k/97275662699.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/tidorimenakilodeme.pdfIn PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/mapazezadipelote.pdfIn PDF document text
- http://chineseclothingonline.net/File/12709686215.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/penegerezatamimarovix.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161366a3ba36fd---zarukevudowivilufitatik.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/14207757690.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413bc58db35---9573604453.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/db40ad6c0676d12b090a17e3fedf6401/zipirijelamekikene.pdfIn PDF document text
- https://ukmalayalamnews.com/userfiles/file/nikoni.pdfIn PDF document text
- http://tes-sys.com/uploads/ckfinder/files/20210910/16312206153317.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_off0000d71f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71F | 17904 bytes |
SHA-256: e9efa4d793f0d63769df40de7b55ca4dd184911b4e01df7f419d7b4ed91ba851 |
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font_01_sfnt_off0001056f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D86 | 10432 bytes |
SHA-256: 25c62f3de049afc80e913f792ed41b2d040992c2fe42f9517ffb996bfc9408d5 |
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