MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to numerous distinct hosts, many of which are associated with compromised CMS uploads or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its direct purpose beyond acting as a redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://mineraux-et-lithotherapie.fr/ckeditor/upload/files/34821854666.pdf In PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/juvozopujodepawizetikot.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/91460096221.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/gogaxajomalerejagekan.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/jezusejasujuxetaxedo.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/41741800715.pdfIn PDF document text
- http://tomaszskiba.com/userfiles/file/wisad.pdfIn PDF document text
- http://crmrealty360degree.in/ci/userfiles/files/66465785564.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717048d3664---78029007341.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1611c70607bf98---tedofumamizojosewifofu.pdfIn PDF document text
- http://195exim.com/datas/files/87696940473.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706b949acb2---tekabugazebewuzimifevu.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/g5l28jradqqc1ahm08d7b9he76/ranogupopikel.pdfIn PDF document text
- https://faktxeber.com/resimler/files/xozelolumijizobi.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/38958520284.pdfIn PDF document text
- http://noithatnhapkhaugiasi.com/luutru/files/46651954994.pdfIn PDF document text
- https://nbcmedia.vn/ckfinder/userfiles/files/nifawaroniluta.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/a18a827171997e67b3596f5812116f9c/jikedisubivivifijejuxojuz.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/piwilurikojewuzatutek.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/m661o0qq8bbod4muhnjm68598f/88480927527.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/op4elgcjfauv413fsbkhqvia2b/55355363077.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/41757755828.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/26952976355.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a34558bba---26285325490.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/41fb4bdb2d89fee414c1a6eb58752447/paseburepofosefivek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=boiler+feed+pump+calculation+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_off0000f053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF053 | 10764 bytes |
SHA-256: bb5b451a4844f9887d8bf0da98ffe6d81e0cede06338410e53a59de2dd1bb9c5 |
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font_01_sfnt_off0001090a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090A | 19428 bytes |
SHA-256: 2dc2aee4ae5c8c83aadb95d12a8e4ec5b73d38ab343026bbe69033e9eb13a241 |
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font_02_sfnt_off00013c63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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