MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/a502c365c36ae0dc9407b9b8790d1c8a/nalirikokumisibajo.pdf In PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/mr09lubv819cv4ml2io3js8gpq/guliporomi.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/giwutofatedofusu.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/r1117f5e478a9hh83eh1gmjgq3/xubofatepisifesawab.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/53515172629.pdfIn PDF document text
- https://naucharts.com/ckfinder/userfiles/files/37066250994.pdfIn PDF document text
- https://xn--fct5g39pjpo.tw/upload/leakstop/files/4942665296.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/fubajolim.pdfIn PDF document text
- http://baozhaopharm.com/upload/files/37046190818.pdfIn PDF document text
- http://cansuyu.org/resimler/files/31818779089.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/buxevanininadininu.pdfIn PDF document text
- http://donauwell.at/userfiles/file/36264767323.pdfIn PDF document text
- http://yejida.com/userfiles/file/90970698995.pdfIn PDF document text
- http://mygotour.com/FileData/ckfinder/files/20210527_9BFA9955F9679511.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074051e4d815---jikejaxadimedawajigekuba.pdfIn PDF document text
- http://businessvaluationapp.com//fck_files/file/40989959643.pdfIn PDF document text
- http://3e-machinery.ru/app/webroot/filesfiles/19329197871.pdfIn PDF document text
- http://cutyoursupport.com/userfiles/file/jogagoxik.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/51762998584.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613167bebc894---45471472790.pdfIn PDF document text
- https://eseninternational.com/uploads/files/wunigibideburiwesun.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/90960287447.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f9a3299044e---kilavoxo.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096f1b6d2a6c---fumopadonimanijiv.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608510e6cfb32---rapuwomenobuzetedetopos.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/xemipozolixokapepipojexu.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/tidaforafosapebasilitader.pdfIn PDF document text
- http://kisito.com/userfiles/file/18406262865.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=statistical+pattern+recognition+webb+pdfPDF 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_off0000e26f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26F | 21864 bytes |
SHA-256: 90db3300439860080967f5fa6bc50e0679b0685dbf5d8db49c4d111df29c37a1 |
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font_01_sfnt_off00011bde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000133f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133F5 | 11096 bytes |
SHA-256: 366f2c1538086f4d3003c28b3cd5d072234553bbd122b307e8fadd106ec5754a |
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