MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many hosted on compromised WordPress sites, suggesting a link farm or SEO abuse tactic. The ML classifier strongly indicates maliciousness. The presence of embedded URLs and the nature of the heuristics point towards a malicious document designed to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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://nomylo.ru/uplcv?utm_term=wondershare+pdf+password+remover+portable PDF link annotation
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d5159ff73---temibijirolatarawusuditul.pdfIn PDF document text
- https://notrepanierbio.ch/userfiles/file/nagobutozitob.pdfIn PDF document text
- http://karate-talence.com/newsite/userfiles/files/dekajujodudizowi.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/92aa37b4ce4b13c584433b98563d57d0/23924969680.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad136c3349c---powut.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b5bd1adc4---xeledaranepisa.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/najazikazifulotiwid.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/3759bddc8f2530a433ceebd9fe168874/6791927440.pdfIn PDF document text
- http://transinfosoft.com/userfiles/file/96037356152.pdfIn PDF document text
- https://willmarlakesarea2040.com/ckfinder/userfiles/files/raxipapijisojitujikoni.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/99477038081.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/qmo20f10rihampcqvh1obpebjb/67572555153.pdfIn PDF document text
- http://solsethreunion.com/clients/f/f5/f56c6d7ba488b74ef40bd02d3fc4d0b2/File/99932305376.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/98354115604.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16126f172e1c37---98828084384.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160850b2aa74cd---92749830346.pdfIn PDF document text
- http://abwmercury.com/uploads/files/49473407708.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/98103336921.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/fodevejitelurir.pdfIn PDF document text
- https://rendiamovisibiliglinvisibili.org/file/pejogamosuxe.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/dukuxapokevudukizu.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/sirubetidofazuruxad.pdfIn PDF document text
- http://imosa.asia/uploads/files/202108170229284061.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/c2510ef2c9b2dc35b2752940490a2e72/5062486593.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097a819d6d0f---pafelasujazijonom.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_off0000cf30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF30 | 10956 bytes |
SHA-256: 8bfba35fbb4aedab9ca589d3d12aadb5e9037ebe47f13831b3ec189877857259 |
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font_01_sfnt_off0000e841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE841 | 17796 bytes |
SHA-256: 7322099f1cbe094e2db05c5418b96cb98711faf3be3dc3e3538ac39f57c5fa95 |
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font_02_sfnt_off0001166c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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