MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://smidgel.ru/uplcv?utm_term=how+do+i+download+original+vidmate+app PDF link annotation
- https://rimsball.com/ckfinder/userfiles/files/35006480843.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/91536384522.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/9961088757.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/77981239879.pdfIn PDF document text
- http://biomehl.com/images/content/files/powumokofus.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/76534665157.pdfIn PDF document text
- http://prinsart.ro/uploads/files/roginonugukenabuxebes.pdfIn PDF document text
- http://olympicthesportshop.in/uploads/kabas.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/45624021640.pdfIn PDF document text
- https://fix2go.info/userfiles/file/keniganulugutiw.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/41178674220.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-8/20210908095306984086.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c115756f1---55734638907.pdfIn PDF document text
- http://www.depomatrial.com/file/raxuxulakibijek.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/78070030493.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/75733608221.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/d869c4203f56dff43df446e11733e80b/94519692677.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/48577581168.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/33410316196.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161363bba883ac---dulutasafisig.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/pexifabuzogufe.pdfIn PDF document text
- http://erbaytag.com/resimler/files/93590847515.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/31384169020.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_off0000dcc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCC6 | 18008 bytes |
SHA-256: dc017a86a0cc946d08d746586808c4b97f1f99f24e6417b127dd50091adbf1ce |
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font_01_sfnt_off00010b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001232f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1232F | 10708 bytes |
SHA-256: 5fe5d4eb766bc6c17321cfbc927cf2450f4d4bdf482d31f84ca73beb0a7f0a5a |
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