MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161371e2cc439c---38480995953.pdf In PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/bonelugotuk.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/g8ob570sg76gvd6dtm443qcr7a/35946186253.pdfIn PDF document text
- https://jagamimpi.com/contents/files/83031019757.pdfIn PDF document text
- http://vinhthuan.com/upload/files/38009385927.pdfIn PDF document text
- http://sandsflooring.co.uk/ckfinder/userfiles/files/42957948350.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141196789014---xuwodobiregewogezuli.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/99142885525.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/86197166804.pdfIn PDF document text
- http://dmychadla.eu/UserFiles/File/82332809237.pdfIn PDF document text
- https://fotofidelity.cz/userfiles/file/75645010407.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/pikabe.pdfIn PDF document text
- http://micruts.org/userfiles/file/kiloxugokixutanugitir.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1631721342.pdfIn PDF document text
- http://pokrowce-ochronne.pl/Upload/file/99738473148.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/banavapedazanudodun.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/89647558538.pdfIn PDF document text
- http://mindennapi.hu/upload/file/92029650096.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/fopude.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d82825706---43776709479.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/basuvogezodosupobeselopas.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/vabukuwuferodika.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/xorerewizazegewajuteja.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=download+insanity+workout+free+full+versionPDF 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_off0000d621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD621 | 18196 bytes |
SHA-256: 4eddb26e7e2ee50b83d65254b279071e949c3410e184e1143d68c699dc272531 |
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font_01_sfnt_off00010586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10586 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D9D | 10804 bytes |
SHA-256: 9ec5ddbd86eea63ca770622eedd8510170150060fc21164f567e139aad14e429 |
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