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 potentially compromised CMS upload directories. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to distribute or obscure malicious content. No scripts were extracted, but the overall pattern is indicative of a malicious document used for redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://fotobolfestmeny.hu/mvc/userfiles/file/4360508435.pdf In PDF document text
- http://888spirits.com/userfiles/file/jobivipus.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/75928941266.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/95519510732.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021091017564980554.pdfIn PDF document text
- http://cke.hk/userfiles/81996138808.pdfIn PDF document text
- http://boki.hu/editor_up/kenurigutimoziliduv.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc85a9e4a0---kawabunasikizovijexi.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/dovekoririrufoge.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/92809353772.pdfIn PDF document text
- https://superpackeg.com/userfiles/file/12227450504.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161458849903cf---nuvuxizedarisa.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/pakomafo.pdfIn PDF document text
- https://mimpishio1.com/contents/files/mesabironep.pdfIn PDF document text
- http://dlshixiang.com.cn/ckfinder/userfiles/files/wutizababilasujozijo.pdfIn PDF document text
- https://pactforfamilies.org/ckfinder/userfiles/files/gufowilosinadakuziwozi.pdfIn PDF document text
- http://sunrui-ti.com/d/files/37262366225.pdfIn PDF document text
- http://aprt1day.ru/file/45127704818.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380cfeb4aa0---96532587779.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/tikefebivejuzuf.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/88909825454.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/kirilapususedepopiwek.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16149254800387---60433547340.pdfIn PDF document text
- http://skoleniridicubrno.cz/ckfinder/userfiles/files/76176209932.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/seguxabesukorerokam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+rotate+pdf+for+freePDF 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_off0000db1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f32d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32D | 17364 bytes |
SHA-256: 54f641bc933d6c377a2fb133fd82f26691203f12048317f09a19a09acf327d41 |
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font_02_sfnt_off00012067.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12067 | 10160 bytes |
SHA-256: 05eb7b93d6bfad69d7ff2aa4faa77d7abfbcba594f1bf8603659e1900e3554b8 |
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