MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to redirect users. While no scripts were extracted, the presence of numerous external links and the ML detection point towards a malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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 http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/19893048589.pdf In PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/f5d81a28cfcf590ac0332a8d15cbce20/ziruxabogixijotar.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b813dde0f---69043026755.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109042009324502.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c9236643bfd---91326301010.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/sivukazalomopopul.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a7caaa5f5---veguvilowebewekelamajug.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/lisuwuriwavuforarixesede.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/c4d01f9cc9dd67429cfee500fe412861/fewita.pdfIn PDF document text
- https://dodomacnosti.net/data/file/19638405990.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/7e98f428c6932c5b5cdcdc305156941b/8055700847.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608873624780a---wizisov.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e5ef39a7eee---99761924255.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16093e756f0b3a---40209174910.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/57543881683.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/cc089bf67749d9f6944218c16c4d9aae/ribuzo.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3e4553b8b---46701559164.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/mitosabanepoxelafag.pdfIn PDF document text
- https://bodymason.com/user_uploads/files/77243536626.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/46151796469.pdfIn PDF document text
- http://vilocom.net/webroot/img/files/38783883397.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607951ca7c819---tikizopupigunotid.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160977c64b2e64---xudotewurafevelupufek.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607684438cafe---waxilarorad.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/vibarirexu.pdfIn PDF document text
- https://spiuruguay.com/ckfinder/userfiles/files/wiwaxakosud.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=save+girl+child+poem+in+english+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_off0000c2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2BA | 18104 bytes |
SHA-256: f56e5f7cc69b2207759e85c27569df7f4dbe81e9ceadc251185aef391284b70e |
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font_01_sfnt_off0000f0d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EC | 11108 bytes |
SHA-256: 798198ccd034ed79e30c5dabdf8fcbe1b83908eb11907b09146fd53c808fc4df |
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