MALICIOUS
96
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 CMS upload directories or disposable hosting, indicating a link farm designed to obscure the final destination. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a link farm suggests an attempt to lure users to external sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://galsabino.it/userfiles/files/76014671087.pdf In PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139a531ac0d5---66901669690.pdfIn PDF document text
- http://prepearl.com/uploadsfile/mefawufafo.pdfIn PDF document text
- https://digireg.ru/upload/84250056240.pdfIn PDF document text
- http://195exim.com/datas/files/sokod.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/gifevutavuwefijafawojilo.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/zoderudori.pdfIn PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/17971596456.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/t86650v8paib42796cle3taumu/61405641691.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/66439537722.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/mugosa.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fa0fae872---37391862495.pdfIn PDF document text
- https://tidurmalam2.com/contents/files/74292887105.pdfIn PDF document text
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/pewezu.pdfIn PDF document text
- https://pomtco.com/technical/files/file/lasisemigorufut.pdfIn PDF document text
- http://energyexcess.com/userfiles/file/jiwugapifajivenef.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1631002922.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/refow.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137abe788f76---jakepujovudawobirif.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/piwusot.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/161316e0f58e30---38085741636.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=cricket+2019+game+download+for+androidPDF 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_off0000b68e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB68E | 15348 bytes |
SHA-256: 6a4aa9723a60e9899086f25fa47773cadea31a3965f4168d5d7e1909f9cc3392 |
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font_01_sfnt_off0000dcec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF503 | 11324 bytes |
SHA-256: 3d973453cfe4bd2d107964b53c8d55ccc4653ecad0703aa37f126e1705f4460d |
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