MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users to malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this phishing or malware distribution intent. Although no scripts were explicitly extracted, the nature of the URLs and the ML classifier's high confidence point towards a malicious PDF designed to exploit users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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=remote+unlock+android PDF link annotation
- http://pomelieagency.com/userfiles/files/lumalej.pdfIn PDF document text
- https://floridagreatescape.com/media/file/xanevapuvafoxaxo.pdfIn PDF document text
- http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/vemufo.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/50947286294.pdfIn PDF document text
- https://mut-zur-veraenderung-hambuch.de/userfiles/file/79266122186.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369e8072f3e---mamuba.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/bosedazadepiden.pdfIn PDF document text
- https://artcorner-fiberglass.com/userfiles/files/nuzol.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/42274947785.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/pifivalapa.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614651612e344---gegipelirajufopiguwag.pdfIn PDF document text
- http://aihyang.com/userfiles/file/gakuzakedexokirawegokudul.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/wozajimux.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145d39741ed6---37282017277.pdfIn PDF document text
- https://fwstc.in/userfiles/file/1742804230.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/3316388948.pdfIn PDF document text
- http://profiklub.sanswiss.cz/files/file/wizujugalatodegitupela.pdfIn PDF document text
- http://dlastudenta.org/Upload/file/xerapudigenilozaju.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/bepofopuzoluju.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202198_123125_299.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/27524604746.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/putavojosibava.pdfIn PDF document text
- http://abnicum.ru/files/file/jafegewukuboxiwaxa.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_off0000af34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF34 | 17136 bytes |
SHA-256: b784d6437851fd666f8379a0a8e2c39b10e46c10ce0e5370dd1a1ebea712f10f |
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font_01_sfnt_off0000db6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6E | 10600 bytes |
SHA-256: 01b9f2835318efd0dd72bc801ec3bdccfecab32ada4624a0a24b1f28cc073e0c |
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font_02_sfnt_off0000f399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF399 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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