MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious sites. The ML classifier strongly indicates maliciousness, and the presence of external URIs and a link farm heuristic points towards an attempt to exploit users via redirection, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://stilistspb.online/public/files/uploads/files/93703690716.pdf In PDF document text
- http://baigeleather.com/userfiles/file/60423551950.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098820d05c85---57089674211.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/68869900123.pdfIn PDF document text
- http://nhadephoanhao.vn/upload/ckupload/files/jelofop.pdfIn PDF document text
- https://dogathermalhotel.com/resimler/files/95972104003.pdfIn PDF document text
- https://dcoderesearch.com/uploads/82047438905.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/zatatusudideg.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/4013d47196a9ac1fa0c87dcd1dda7950/1394349045.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/86756823900.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160985a810d13b---55233090677.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608de248ae30d---8643354830.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e76262dd4af---nuwamadujizedo.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5789e2148---1355247066.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/12517177402.pdfIn PDF document text
- http://myqself.com/upload/files/tokowosebowiwexo.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/46444884530.pdfIn PDF document text
- https://www.natursany.com//ckfinder/userfiles/files/66250840347.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/33789989792.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/93430714562.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/a58d491fba6865288202865abd885c87/sekomenu.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cb562b249e5---86166679004.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/gob23fp3h11ndu3t8hj8pca80u/dafujefekajutubilatev.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c941be2a59d---79959903607.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=hyderabad+metro+station+map+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_off0000b9ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FE | 16468 bytes |
SHA-256: 8f5928cfc0de9d9674e604710cb27cfa12ce9b7435c932202dc9c3a8dc749da3 |
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font_02_sfnt_off0000fc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC16 | 10856 bytes |
SHA-256: 58f54ce8172e563469f542a36e1f97ff9a6e6af226f53c2457c2365ae8264d50 |
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