MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://philabc.ru/uplcv?utm_term=drm+protected+video+downloader+for+android PDF link annotation
- https://jakspravnenapsa.cz/userfiles/file/wekuwire.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/wagusupaderisixi.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/24975178171.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/013bbecc19e012297b7f19f520987f9d/46252506910.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/subefejebus.pdfIn PDF document text
- http://newkontakt.ru/userfiles/images/file/3172306242.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/joraxosetugusesijunewisa.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/2bnah47runama7ef3bjccjsaj0/valoledoposewoperetijogi.pdfIn PDF document text
- http://eamenfaraz.com/cache/fck_files/file/81379313715.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/09c6c7ef50be652376d665c24485a58b/69093051599.pdfIn PDF document text
- http://csc0516.com/userfiles/file/20210901122431_5a57i2.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/53863993456.pdfIn PDF document text
- https://g-mtcc.com/motakamel/Ups/files/1430943863.pdfIn PDF document text
- https://triangle-electronics.com/assets/userfiles/file/44384047257.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/385009034.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/gilem.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c07816887b---36011923547.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/wijifowaseva.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16145a2eded5ec---zukugazaw.pdfIn PDF document text
- https://songhong-thudo.com/img/files/sururuvofuvolelojaje.pdfIn PDF document text
- http://tolltisztitas.eu/userfiles/files/70614808396.pdfIn PDF document text
- https://wyslijpaczki.pl/app/webroot/files/userfiles/file/30377692205.pdfIn PDF document text
- http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32955284088.pdfIn PDF document text
- https://marosme.ro/hirek/file/36017371060.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_off0000b81a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB81A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d02c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD02C | 18404 bytes |
SHA-256: c8903b50081c4c6084c29d278a689ea52569232e414ea506e2dfa5b51abbf732 |
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font_02_sfnt_off0000ff8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8B | 10768 bytes |
SHA-256: 9875719a28df2af13c815c63dff7c1bd8b9b34004a1aecbc1218aace490c8e7b |
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