MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to potentially compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the PDF's structure align with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://1544-7419.net/upload/fckeditor/file/37774897666.pdf In PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/11910344920.pdfIn PDF document text
- http://xn--80aafkatcapceshpicpg3h.xn--p1ai/pict/file/dinavutal.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/numutowozoxibobo.pdfIn PDF document text
- http://jezirka-biobazeny.cz/UserFiles/File/zeluxugazufibogowusuwodan.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305c0ac3873---monuve.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/3823827260.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/65792384569.pdfIn PDF document text
- http://4grd.com/cmsimages/file/15813221510.pdfIn PDF document text
- http://brbud.pl/userfiles/file/wuzeluwudopaxofiparixu.pdfIn PDF document text
- http://flapboxes.com/userfiles/files/gusidawanavukepakir.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613f986108311---widanepotiwite.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/65411491665.pdfIn PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/23500665304.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f874e4f0f9---18745342239.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3dc05e0c6---nidelavun.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/sadurebejelejef.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/6523569992.pdfIn PDF document text
- http://thaide.org/userfiles/file/25054143350.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/39503140475.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/81434574114.pdfIn PDF document text
- http://forumts.com/ckfinder/userfiles/files/86307541857.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=hp+wireless+printing+from+android+tabletPDF 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_off0000e8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E1 | 11056 bytes |
SHA-256: 6c97fff95a50d970aa4d1633b2001c8d86b9e8e07954f4864ff454001791ec38 |
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font_01_sfnt_off0001023e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A50 | 17704 bytes |
SHA-256: 9d62e010aa896cd9f80bb95e52a50a2c791320a7c7f97d5189184b28fd72d60d |
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