MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm with numerous URLs pointing to compromised WordPress sites, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier also flagged this PDF as malicious with high confidence. These links likely lead to phishing pages or serve as downloaders for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/e8435c44df96babb57fdd13c26c398e3/vefidogat.pdf In PDF document text
- http://unionasset.net/file_upload/spaw_upload/file/20210907213330.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/wugiwuzogadonaruniwonoso.pdfIn PDF document text
- https://cargobull.cz/res/file/dubobagem.pdfIn PDF document text
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/gunelobazed.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16136c6a1471ab---81634767874.pdfIn PDF document text
- https://ambalatender.com/upload/files/55976867972.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613994f4494e5---15293334143.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/dakaluludujebebir.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/63481869598.pdfIn PDF document text
- http://identik.hu/editor_up/59660791509.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/93883745002.pdfIn PDF document text
- https://needlugs.com/userfiles/files/kubimijozurogules.pdfIn PDF document text
- http://noithatnhapkhaugiasi.com/luutru/files/46651954994.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/titixe.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/71434554759.pdfIn PDF document text
- https://biorenta.lt/ckfinder/userfiles/files/85197969198.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/55366422666.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/42549058198.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/bidexamobedifalowevanupi.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/suzofuzulanomonetapojapu.pdfIn PDF document text
- http://guitarenko.fr/img/files/wuwunamubalomid.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136495512e87---87251996382.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0dafd205c---77815354753.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/20785280041.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021090313480270554.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=android+tablet+settingsPDF 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_off0000e11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92E | 17652 bytes |
SHA-256: 89e3103920f77e4a607c8128050c4a3c4bfc9732c4f3ae946cfccedaae8f6bc6 |
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font_02_sfnt_off00012688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12688 | 10544 bytes |
SHA-256: e036038bbee4168e9906b2824fecc31a4f8b53a8b8492d816c9930c363a2d19e |
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