MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It functions as a link farm, directing users to numerous URLs hosted on compromised websites, likely as part of a phishing or SEO manipulation scheme. The presence of multiple external URIs and link farm indicators suggests an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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.sacda.org/wp-content/plugins/super-forms/uploads/php/files/7b7hda75a11p3dsg2lnlfufo34/31719472570.pdf In PDF document text
- https://amblamy.ee/upload/file/rodifibilubokigitewaka.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/908a271b59a18a90028b7e4a82e63ad6/62189344216.pdfIn PDF document text
- https://abeess.com/userfiles/file/karukufasarapororikorev.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vslgo44rgujtu7bhrv34fclj02/gewefaz.pdfIn PDF document text
- http://zatacorp.com/upload/files/banewamiwoletolim.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160738569ed627---tibanaz.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/rewuziweko.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/pavolatafow.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920a29a236a---vuredativub.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/695097908691621076189.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b39c61b34e0---34072478173.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/fulidepekatifa.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9d21299b5---zojizefi.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16100ffd4526f8---96005926908.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/rexuxuledomonogixizizeba.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/tolowig.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/38056255514.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/40390360146.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/60978345593.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/49441563855.pdfIn PDF document text
- http://lactopad.com/uploads/files/bujinutaz.pdfIn PDF document text
- https://samowar.me/userfiles/files/54004910627.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-04/images/files/tabasibimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=future+simple+vs+future+continuous+exercises+pdfPDF 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_off0000d767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD767 | 10864 bytes |
SHA-256: abb3caa3f09b37552a622bafc2a21af0bd1a5a444e50a4e46335688346a5841d |
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font_01_sfnt_off0000f082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF082 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10894 | 17892 bytes |
SHA-256: ae740395c049879130bbf4f84497d8a32d4f66dd0d93041cb0b589067ef719e6 |
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