MALICIOUS
112
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external PDF files, many hosted on compromised WordPress sites. The presence of a download button lure suggests an attempt to trick the user into downloading further malicious content. The ML classifier strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://health-bridge.in/upload/file/begofupojef.pdf In PDF document text
- http://houselandia.ru/files/potofurezidogolegepib.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/96921131697.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/27297345229.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/89603806349.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/87872289234.pdfIn PDF document text
- http://miltonhigh65.com/clients/874455/File/16203897157.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/015f85f44696f58ed501d31b8041ebb4/66791609461.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34f7cb86e4---22878862298.pdfIn PDF document text
- http://bidmitt.com/img/files/file/79125104458.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/b1005eef4a9a133a6809dfe45c757fbd/51302133177.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/9032add5c4351e0afc03df443c4a1258/jatudu.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/jeninetopokedugeme.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/qrggh5k5rbrmfur8jk2sclhcr7/10826322173.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/de8f51223cc04273590f63ada8cc00b5/jozunakudewidoso.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/ig8612deqdolui1s1ooh5f2r6b/zomulisibageni.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/9ba54593f99598ddf046bccaa8b52b62/40836770969.pdfIn PDF document text
- http://fonnepal.org/userfiles/file/kemupokatafimiw.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0011079c55---puvujagobudonopadanevalis.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/0272048de5bfd342b9a049ab376ff2ad/16551197395.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/giligafutaxur.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ea663c5b7---8709758030.pdfIn PDF document text
- http://93564497.com/userfiles/19020521118.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=tower+defense+king+mod+apk+free+downloadPDF 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_off0000f351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF351 | 18024 bytes |
SHA-256: 476d9f62999efcba51983f84f4bdd0ea0dff92d7c93e7973099689f73c8b5195 |
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font_01_sfnt_off000122cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122CC | 10884 bytes |
SHA-256: fa9c0db4dc25eea01300a71d3ff520881982a72fc7e0d7d1a5739840f76ddbab |
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font_02_sfnt_off00013bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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