MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many hosted on compromised WordPress sites, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this PDF is a phishing or malware distribution tool. The embedded JavaScript likely facilitates the redirection or further payload delivery.
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://coretry.ru/uplcv?utm_term=thop+tv+download+free PDF link annotation
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/aps1iv5qc22thetm5cb966roso/luvisepat.pdfIn PDF document text
- https://siahotel.com/userfiles/files/39965481530.pdfIn PDF document text
- http://tikatalog.sk/_files/file/butewovoxadafukig.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/50272505063.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/97163062688.pdfIn PDF document text
- http://hitelesen.com/userfiles/file/20641722764.pdfIn PDF document text
- https://morganmethod.tuesdaytrader.com/ci/userfiles/files/sitorasalokabo.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/1bfeaba336c49af3fc42d39a3adad57a/98241783636.pdfIn PDF document text
- http://qunjl.com/userfiles/files/82752157310.pdfIn PDF document text
- http://rem-stroymont.ru/img/file/70576214534.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/85855100999.pdfIn PDF document text
- http://euhoca.com/js/ckfinder/userfiles/files/99284969055.pdfIn PDF document text
- http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
- http://tele-klass.ru/i/upload/files/jibujakenamutilagetumoron.pdfIn PDF document text
- http://art-ball.net/files/file/7776163439.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/wazekuretoke.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///lonesitinu.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/zukamu.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/daxowiwukazovuji.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/1c91c40a7b7e96d69daebe5528992dcc/63659806783.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/80462036820.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/golizobobuxuzokumase.pdfIn PDF document text
- http://francescofesta.it/userfiles/files/labimukifa.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_off0000d44e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44E | 16780 bytes |
SHA-256: 2887c484706973699413b47303f2a141a68f40e88a312eb0e5a13bd068eb8568 |
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font_01_sfnt_off0000ff6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11785 | 10452 bytes |
SHA-256: 620e8de1a177530019fa89e3e59fcae6a40541ec5860bced5d0a7ced595d74eb |
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