MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites acting as a link farm. These links redirect to other PDF files, suggesting a multi-stage redirection or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crysiq.ru/uplcv?utm_term=funny+bunny+gif PDF link annotation
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c991c3737---56269530541.pdfIn PDF document text
- https://mvmdigital.gr/files/files/6529064175.pdfIn PDF document text
- http://ueros.fr/admin/ckfinder/userfiles/files/ximagaxakofud.pdfIn PDF document text
- https://limadelimon.com/images/file/29842748189.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/8f5f1ca92143cdab0a87c1ff0d55a311/dofiki.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/72851480094.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/57531652495.pdfIn PDF document text
- http://vilniausgreziniai.lt/userfiles/file/14728231113.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/35514730963.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/17701063124.pdfIn PDF document text
- http://asliev.coco1490.com/upload/file_folder/file/40130303630.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143947464adb---4235616689.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/fujasunonavakidodup.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614480fad6842---99418397881.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140bf5a62119---ratawebonunixori.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/92122577016.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/2419575194.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/44687150410.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ac96c5349---41613495925.pdfIn PDF document text
- https://mikludava.lt/images/files/zikupuses.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/93070788205.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/gogutinodigadan.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/zenida.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_off0000b376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB376 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB88 | 15880 bytes |
SHA-256: 0a93f5064a4f55eaad97f8767efdd37896985fd3254254b96735b766407f343d |
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font_02_sfnt_off0000f41b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41B | 9896 bytes |
SHA-256: ddc13cb6c09876930568a83e208be702a69a8d82063a094e23f7853b6b54dab7 |
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