MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://cructi.ru/uplcv?utm_term=tunes+ringtones+for+android+phone PDF link annotation
- https://manuscripthandler.com/userfiles/file/widirikemiwozebamideles.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/beluraka.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/83430334875.pdfIn PDF document text
- http://bastola.org/userfiles/file/46790112413.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/fulepu.pdfIn PDF document text
- https://rm-parketi.si/uploads/73707638263.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/26026331133.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/futedazuvutakim.pdfIn PDF document text
- http://yksskj.com/ckfinder/userfiles/files/rejufewimenugiketovuw.pdfIn PDF document text
- https://nieruchomoscikomercyjne.co/files/file/werigevufakagamebuzef.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/c5m0jao3pqfurvk3ppff875ehr/vokitasusege.pdfIn PDF document text
- http://naso10.com/userData/board/file/sizewuvemufof.pdfIn PDF document text
- http://srtcivilnorth.com/ckeditor_file/files/75841200189.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/20903158037.pdfIn PDF document text
- http://araulmor.tel-cor.com/images/library/file/gobovi.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/zurudanaxekidi.pdfIn PDF document text
- http://rebornfair.com/FileData/ckfinder/files/20210916_746A554ED2D1AAC1.pdfIn PDF document text
- http://proreferee.ru/uploads/ckfinder/files/tubevedezevaximovafan.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f49bc132e5fb616f57ea7e12b06e62d0/zirixomapegu.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/27973748370.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210916055924128.pdfIn PDF document text
- http://bibliotekaszamocin.pl/img/upload/files/95208245672.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/53742583629.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee1cbd6ba3---59762537126.pdfIn PDF document text
- 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_off0000e90d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE90D | 17620 bytes |
SHA-256: 0be8f8fe34792a1506b92dbf37dc3982d52c28a5f5a0f147b8d5dce654e04982 |
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font_01_sfnt_off00011728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11728 | 10792 bytes |
SHA-256: 4f549fe10373e7686e4dcd55dd8d952998cde57226783ccee416d4b36f16a65e |
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font_02_sfnt_off00012fbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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