MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://inwebjor.ru/uplcv?utm_term=zombie+hunter+survivors+fighting+mod+apk PDF link annotation
- http://studionegro.net/userfiles/files/lajevuredasowen.pdfIn PDF document text
- http://cuathepvangohaiduong.com/images/ckeditor/files/fojobawazevota.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/50516314761.pdfIn PDF document text
- http://stellar.ru/ckfinder/userfiles/files/fivobobezomuluperinoj.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/fubujoduzuwabadonojafopob.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/48831501417.pdfIn PDF document text
- http://bernendorf.ru/userfiles/file/9541425567.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/vurepukudirijokesa.pdfIn PDF document text
- http://thepducphat.com/upload/files/tudorematomorebonumub.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161354aeeec3b4---ramamolonero.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/12772232888.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae664d1f8d---19432046197.pdfIn PDF document text
- https://exam10.menapoint.com/app/webroot/upload/files/vatukar.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614da96bc9723---58225763775.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/97006321035.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/96210234223.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090214043973499.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/kasibazipudoderabolopa.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/501031882df85cd1471dd23f591c1862/31714868233.pdfIn PDF document text
- https://futurefacesmiami.com/uploads/file/tijumonix.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/82d00d15e59601738c861ccbcb7b8e4d/bowutazam.pdfIn PDF document text
- http://iranjobex.com/cache/fck_files/file/61635782781.pdfIn PDF document text
- https://cnc-ar.ro/files/file/pexabewobezag.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_off0000b890.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB890 | 19752 bytes |
SHA-256: 753bc8977e0b96bb64ecc1a2d331d767b2dbeca2756d207bcfb35135b7238788 |
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font_01_sfnt_off0000eade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000102f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F5 | 11260 bytes |
SHA-256: 974e7ba825f48315328bd4131e8db2034ebb1ca3bac4f42f1b725f82cc6ebf0b |
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