MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The primary function appears to be delivering users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pixomot.ru/uplcv?utm_term=assassins+creed+hd+apk PDF link annotation
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161391507df5dd---mowojavute.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/95073619798.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb3b18db5f---97198514348.pdfIn PDF document text
- http://china-miyaco.com/img/file/2021939222.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/kevenotinefulenexuxop.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/kitaj.pdfIn PDF document text
- http://www.vnos.vn/app/webroot/uploads/files/1334926249.pdfIn PDF document text
- http://mos-craciun-inchiriere.ro/fckfiles/file/18247505294.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/71971082888.pdfIn PDF document text
- http://lagostena.it/userfiles/files/momub.pdfIn PDF document text
- http://autovoda.ru/upload/files/9447634229.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/c3980e3bf2f151ccfb370d35a2e9f9dd/16562334321.pdfIn PDF document text
- https://www.ijmsir.com/ckfinder/userfiles/files/21332418942.pdfIn PDF document text
- http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/sumiruvekujupuzox.pdfIn PDF document text
- https://okinawa4d.com/contents/files/22294180118.pdfIn PDF document text
- http://friend5190.xyz/js/ckfinder/userfiles/files/sodev.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ca172199db4822dbb46e03d9e2b65f7a/70080028573.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/rezinetolajenatozakoxagi.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/75246232572.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202194_154746_888.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/66480104051.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/38875010961.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_off0000c2b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B7 | 18424 bytes |
SHA-256: ca939821c4e2e9766597af2f1e628f54eb2bc4eb1031541795acdb401c47e182 |
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font_01_sfnt_off0000f2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE1 | 10420 bytes |
SHA-256: 76e9bb3ccb8b47a9374f8f9e65a6562a3bd3265c10642812982d03f04d48b50e |
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