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 WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of external and SEO-optimized disposable links. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution lure.
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://chcial.ru/uplcv?utm_term=cuales+son+los+macronutrientes+y+micronutrientes+pdf PDF link annotation
- https://uppersanduskyrotary.com/cms/files/File/vukomejitigofa.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612177f46648a---jipasegigegubelun.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/73570435528.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076734801691---jomax.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/jijubokotikogugijawap.pdfIn PDF document text
- https://wegofa.com/userfiles/file/72958107510.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1092e91bf---tobejewusur.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/39900572048.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/38ee0c36afbed0906edfec1daf1c8afa/ritotudonuxa.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/79863310436.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/ea2ef780d6720deb0be050d74350341e/29249126092.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/2gg9845hpf44vmscvim9qsi68v/danexifipumibunukafeka.pdfIn PDF document text
- https://billard-hauri.ch/userfiles/file/36226380337.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16099032052f11---75021479191.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/numowijoferetaza.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/6agrop8ohfpiuv58kkrdbn83fo/pubibekex.pdfIn PDF document text
- http://polkovnik.su/upload/file/91312236670.pdfIn PDF document text
- http://mallenmediations.com/mallenmediations/images/userfiles/file/pomizeg.pdfIn PDF document text
- http://macautemple.com/userfiles/file/38116121323.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/vutapuferixepek.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607470b0ddeda---91477422734.pdfIn PDF document text
- https://tekdalyapi.com/upload/ckfinder/files/mafoxefanometoxawu.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/nnafa1j1eplof5j0ktm637v1r6/90740462289.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/cb81b68b1b111c9273db58a7c9d9e94b/23159175248.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1606fd6db3ce07---88420104399.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_off0000c762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC762 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF79 | 11024 bytes |
SHA-256: 65f4b90ff3ba2af08b31ca6262d6443b1d8bca125ab647426dcb092330428a8e |
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font_02_sfnt_off0000f91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91A | 17008 bytes |
SHA-256: 56496016479eced01c673570bb266c8a667eecf6fea8456ffa5264a16842860b |
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