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 are hosted on compromised WordPress sites or disposable domains, 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 0.9978
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/2u0vuurobu6vo1krioqotlp3ti/18339100908.pdf In PDF document text
- http://omeofest.eu/userfiles/files/bokoridezuxasevugamo.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/woperenute.pdfIn PDF document text
- https://www.sensiblemachines.com/ckfinder/core/connector/php/files/wibosisujeloneba.pdfIn PDF document text
- http://griesvoegwerken.nl/UserFiles/file/23443195962.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/73468675188.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/vagavuz.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614095726a2ab---zijunaramemibafutijasafo.pdfIn PDF document text
- http://nguoigiupviec99.com/webroot/img/files/23271482337.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/roxemeboxutilonedemerugu.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/bifuvalada.pdfIn PDF document text
- http://bebaldebaran.eu/userfiles/files/3417567142.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/fuweru.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/1622641039.pdfIn PDF document text
- http://liluby.com/upload/file/bodotixaz.pdfIn PDF document text
- https://durgabas.coop.np/ckfinder/userfiles/files/notemuzetu.pdfIn PDF document text
- http://nuk-amro.de/userfiles/file/fulosuxudenifobutu.pdfIn PDF document text
- http://studiomistretta.com/userfiles/files/xiwegibexejudikoxila.pdfIn PDF document text
- https://tessuno.com/upload/files/612ed6c00407e.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/69221078778.pdfIn PDF document text
- https://weboonline.com/ckfinder/userfiles/files/40877743374.pdfIn PDF document text
- http://photo-preiss.com/upload_files/files/boleja.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/b86eb095bdd30b24ab5720e6fb1c6d7d/66982270972.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cast+to+ps4+from+phonePDF 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_off0000d238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD238 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4F | 10592 bytes |
SHA-256: bc6bab60c0a193c526ff0581edc70fa5f5e95c60d404f5c0a0877e5b2c2ed71f |
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font_02_sfnt_off00010262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10262 | 17872 bytes |
SHA-256: 7d3f40c9258fd278329e18bd0e2f7b5cc7a64e9d8e19b0e48376361ba328b443 |
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