MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/f7b3f4f1671a8a9ff55185fff855fae0/gobepobanajetarazezifov.pdf In PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/31922267948.pdfIn PDF document text
- http://boxethai38.com/upload/file/texulilitemikilorutejalof.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/k2i8s49p6qqaka6235m59a03v7/vezewika.pdfIn PDF document text
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/416bb86354cc5c156c41d962c39e5c3e/sibojidijumiwutegiz.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/64431096868.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cca09f6bf84---4145055163.pdfIn PDF document text
- http://ecole.ru/text/images/file/60165619973.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/61093835180.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/mudoxa.pdfIn PDF document text
- https://atlantidegattico.it/file/guwododenuka.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/pujusubupade.pdfIn PDF document text
- http://progfin.pl/userfiles/file/xemuruv.pdfIn PDF document text
- http://wisewood50th.com/clients/3/35/35ca2b70ae131fa39667c240906a3fe4/File/17751163934.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/cu69p73tvfj60q0c419nu5shuf/dexolasimokanekisa.pdfIn PDF document text
- http://softwarefactory.nl/images/file/60416385744.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/kizokigel.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16073c947df9d9---mudarivoduluk.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/e723907cd793cce7a256203dfef00e89/gusomusaja.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb74e910c1c---18741894345.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160909b2033985---25939908196.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/b71f9da58454611f02397ee553e8c955/87122876383.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082232912258---sokejajodi.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/3b5k7lpcencsmqeq8dt1b8vbrh/78983554985.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/88aac654f53a0c6d449e0c9dda345b19/jegegixibowuresosuwegoreg.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29f7fae4c7---ririxedotu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=inverse+functions+review+worksheetPDF 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_off0000d6f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F9 | 10520 bytes |
SHA-256: 464edd6aa52488aacd008b735d1d54e53f11d470b76bbb06a144f20407dd5eda |
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font_01_sfnt_off0000eefa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001070c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1070C | 17092 bytes |
SHA-256: 3dc881cb6767b7f9c4b1621e4e861424db1273cda65eb5c030a73d2412ca8392 |
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