MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is part of a link farm designed to redirect users to potentially harmful content. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://universalgroupautos.com/files/others/pexunufaguvubojike.pdf In PDF document text
- http://hayatteknoloji.com/webimage/file/62016324079.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/4d4016e9f0cb57461e3b3440b32aff26/vibugopemixoram.pdfIn PDF document text
- http://uchid.com/uploads/file/loropebawokanukolubezezij.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/pr0lfepq7aoi9859a3d67f8qd0/gunikavasojopetitefe.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/c76e71f80c0ef1440827a1715b363f49/fufurimenakiwa.pdfIn PDF document text
- http://ridendo.cz/files/file/19564564036.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/ba2e9a27fa6ac7c3983facd2123b8455/bomewupirajudu.pdfIn PDF document text
- https://btegypt.com/file/44430836923.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/vinubabitoxobixubegitoju.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/f12c6ada975a014793fb8e263dc9d08a/25540356606.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0af9e87b4---vutufupoxududomib.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/vomuxoge.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/65355211981.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/zisil.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160800a6fbdf71---27388141957.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1657ab9e52---39622268309.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/fb0a0c7b09ad9cf0afc66806a348eaed/49599638002.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/wegiwu.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/sewerosewijemazagaxuj.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/wegiwonufunidufarox.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/nevegamisirukubexor.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=ssas+interview+questions+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_off0000e220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE220 | 17152 bytes |
SHA-256: 7bad625048e2c8b4cc9549e4141716a8826785c87241910e14ea8d671afa8a7f |
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font_01_sfnt_off00010e71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12688 | 10920 bytes |
SHA-256: c35987c8522baee0a0cf2f9b15c58ee06d84d7aa13d7e9ed236590090ad9dc62 |
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