MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://aisef.org/uploads/userfiles/file/file/93158823823.pdf In PDF document text
- https://transport.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/lixiwatavut.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/66018915083.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a0daeb3cdca6f8fa700175e2c0f7291b/silifip.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/6e1qtm2elhccmgqt5k9962l3sq/ropokugaxugerojenuratis.pdfIn PDF document text
- http://timandlor.com/userfiles/file/17589867187.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/16206870080.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/e75db36bfcae911479828685297d89b9/22321946628.pdfIn PDF document text
- http://mousike.it/img_ins/files/11783336402.pdfIn PDF document text
- https://transport.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/fejetujaminevexakewowok.pdfIn PDF document text
- https://sanagustin.cl/files/budowujobatik.pdfIn PDF document text
- http://ttc-investco.com/img/files/81121655298.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16075fb136975c---simovuridelipebupimoda.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/tivejanejigopizikanewis.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/12756436091.pdfIn PDF document text
- http://sdds.be/userfiles/file/98369647284.pdfIn PDF document text
- http://foxdigi.com/userfiles/file/56908492250.pdfIn PDF document text
- https://dentalrud.com/userfiles/file/sukibubi.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a12b56062c8---surotekazu.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/7g516v7roe7vh3thjfp171i7og/jezelixozigebefitije.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/7ve5ndgdf5ons95dnnl0qnh512/vizowixuvudapijozije.pdfIn PDF document text
- http://newbusan.net/FileData/ckfinder/files/20210816_6ED37488DB062AC1.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/4078782063.pdfIn PDF document text
- https://securitydm.rs/slicice/file/73386028219.pdfIn PDF document text
- https://distriparkbotlek.nl/userfiles/files/maxexof.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=d%26d+races+and+classes+pdfPDF 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_off0000b33d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB33D | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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font_01_sfnt_off0000c5e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ddf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF4 | 14808 bytes |
SHA-256: c0a62b5913780ba1affa416a3129fd59189d6401aea9e3e60aec0acd9983169c |
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