MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and link farms points towards a phishing or credential harvesting attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://careeraccelerators.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160793d14ca96f---juvogoxogane.pdf In PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d08964a662d---63312869859.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74e8bee6c---zupoxedixavogurix.pdfIn PDF document text
- https://medsplus.us/admin/images/file/zobakizekirefami.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b12f9398a37---fozisisesobug.pdfIn PDF document text
- http://mppscstudy.com/admin/usercontent/file/43848388481.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/medivepitetinoveloruta.pdfIn PDF document text
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/11f04c68b402096107e9de6bb4332444/89047967343.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f377ab30a1---17438598175.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/radezinakezola.pdfIn PDF document text
- http://iphysiology.ru/upload/47037924384.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/felufujebin.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b11bf378d---wilepinuzezo.pdfIn PDF document text
- http://kovacsoltvaskerites.hu/images/file/85893947698.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f1807a8a1---95242746496.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a264cc1675e---pewupitulotoman.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/38v14s824ffv5rh7avddlqsptu/38605235838.pdfIn PDF document text
- https://newoptic.mn/uploads/files/79014635372.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d56c88ffc---jamomofo.pdfIn PDF document text
- https://begili.com/uploads/image/files/fobaniboxiromevipidukej.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/furosatopekenodogawipa.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/67nn6b1kvkoqmof3ult0aq3sb2/monixaj.pdfIn PDF document text
- https://west-holding.com/userfiles/file/merulapozupolewan.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/wopuxefelizapijagixipuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=period+of+ancient+greecePDF 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_off0000f1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E1 | 10440 bytes |
SHA-256: 0cefd107b74202b65035daf5ca5ee24103457eef077bdbf831cd18ca9eee2777 |
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font_02_sfnt_off00012174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12174 | 17356 bytes |
SHA-256: f249c9389c1d1db7ae5494499f29bd96cda12831ce66fb60c944d93573f0a6c6 |
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