MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs further supports a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL analysis point to a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=distributive+property+of+multiplication+for+3rd+grade+worksheets PDF link annotation
- http://akcjonariusz.com/UserFiles/file/vateradezavisabapa.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/2995147417.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/75565273689.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/nofibamosekuboliv.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070da0445daa---xulutimejerubefes.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/vixizi.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f40ec4b7d7---8280292335.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c28f2ec0e---63365118807.pdfIn PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/pasiluzawum.pdfIn PDF document text
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9e0bb50ec954fafc9592a4eec72913c/5533237169.pdfIn PDF document text
- https://vydavatelstvoklett.sk/userfiles/file/4021203124.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608accbe4187b---44353817018.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608694d1eaebe---luzab.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/gewubosemerekizovatoj.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/67bbce849442cf4940d0d0d0db293178/ladole.pdfIn PDF document text
- http://psmpetcare.com/clients/76030/File/wajonebodanuvab.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/b172624be855dc0cb27c5a78c1ce2dac/23009612436.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c4fca4357b---lufejasovug.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/b1fb261acf1f71d93c2c782e757b724b/96746616816.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/kisula.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe08c58c4a---xazuwikewogalijex.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/o5ghu73s6anq3c874knhglt9vj/34777175167.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/3g2ugfffanhdnoaq65j81km8f7/gijefazopusiri.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/06-15-12-10-35-18.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_off0000c297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC297 | 11840 bytes |
SHA-256: 1bbea9c9a9bc0563d92be7070d6a6f29b5b52919e5cf8843981aefbb32ed505d |
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font_01_sfnt_off0000de7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF690 | 17436 bytes |
SHA-256: 256e516f046acacc11f2cf68531781c8ec41556ce417560f80a2c80fd4f272fe |
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