MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external links, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on disposable hosting, further supporting this. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://coretry.ru/uplcv?utm_term=android+app+for+astrophotography PDF link annotation
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139be1a61385---kunixevexifame.pdfIn PDF document text
- http://studiolorenzino.eu/userfiles/files/71717731835.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/8157583632.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/73284585385.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/jozabofolobaxudibitigaxo.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/94114316902.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cefca6820---16840571009.pdfIn PDF document text
- http://flairpens.ru/uploads/file/20165089819.pdfIn PDF document text
- https://bselink.com/userfiles/file/bekebimozatarepimasij.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/67778112171.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/88914436224.pdfIn PDF document text
- http://77owship.netsociality.com/upload/files/54537734049.pdfIn PDF document text
- http://szjg.hu/images/file/37328214570.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/1db890836f34e6008eee1ac5b0d2156c/dulolisusibejeka.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/50980272353.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/zapip.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/57928081037.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/piloge.pdfIn PDF document text
- http://01host.ru/userfiles/files/samuvudajo.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d6b12cc58---latusajudulof.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/69511834377.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_off0000b34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB34A | 16648 bytes |
SHA-256: 011f9377f21b20d7da3391963f394941a3cfe496273b9c733da48b07d00f7cf2 |
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font_01_sfnt_off0000de2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF646 | 10696 bytes |
SHA-256: 2f5c249b3d27aae880b36f6f4e6750ed6d00ea960f8f71d6bbd14ef6664f8170 |
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