MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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 http://studiosantomauro.it/userfiles/files/gomepogugokisawawamuji.pdf In PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/64441129185.pdfIn PDF document text
- http://lpsa.cz/userfiles/file/81835143460.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/7449151291.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344ea251973---86291094873.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/65680786199.pdfIn PDF document text
- http://onlineticketreview.com/images/file/55479904715.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/ratifobesutilavavud.pdfIn PDF document text
- http://ocean-ex.com/images/blog/file/puxeraveji.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/7013416660.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/vuwabuponanakukibiputuve.pdfIn PDF document text
- http://semanbio.com/upload/files/vosabirafonezi.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/62860435945.pdfIn PDF document text
- http://gaushalango.com/uploaded_files/userfiles/files/65873002424.pdfIn PDF document text
- http://geomanteia.com/userfiles/files/ludukoxukesisedolowupe.pdfIn PDF document text
- http://mskgroup-spb.ru/upload/file/83964632936.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/bbf5a5e728b06a2ed297ebfdb6192986/jilunojanuf.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/46100293394.pdfIn PDF document text
- http://autowagon.it/userfiles/files/kurigod.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614122cec4d53---nakijedekelusulidewanoja.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/bofupixubeninija.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/sobetinujogavowus.pdfIn PDF document text
- https://delta-relay.be/userfiles/file/96332835703.pdfIn PDF document text
- http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/51869812485.pdfIn PDF document text
- https://ibextrail.com/editor-images/jukeranipepe.pdfIn PDF document text
- http://cargologicru.com/sadm_files/75587540207.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/goriwabazak.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=playlist+tv+channelsPDF 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_off0000b794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB794 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA6 | 16276 bytes |
SHA-256: 10758fd9d5e6e86a8ccfcc5f8a5c41464b52989ee29e446a14c1be623925ca4d |
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font_02_sfnt_off0000f8c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C3 | 10288 bytes |
SHA-256: f83c453735f462787ad3c1e9589b15efcdfc87b3bd227c873778d3f62354e234 |
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