MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This 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 WordPress upload storage and disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure strongly suggest an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139d9a43d60e---76503214044.pdf In PDF document text
- http://medrea.ru/upload/files/midadiwiradabusebegutamo.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/diruvewiwudogililuvogi.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/40132503866.pdfIn PDF document text
- http://arucax.am/user_images/file/dowufewo.pdfIn PDF document text
- http://polyalpan.hu/_user/file/movaduxotofaxibuvexiz.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/togubirotadelu.pdfIn PDF document text
- http://air-ned.com/uploads/files/55960802310.pdfIn PDF document text
- http://www.egymast-segito.hu/uploaded/fck/file/9942714276.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/poxefodin.pdfIn PDF document text
- http://www.moyekolodin.com/files/62338778168.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/81496c4aaa5bf3c0d0c1d3c50653900e/juvisotuponuj.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/54040568151.pdfIn PDF document text
- https://successalpha.team/upload/files/43812095052.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/lidafemogawaxamudapeloba.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/34035916281.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a114034548---90488708500.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/85279282589.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/fopemufu.pdfIn PDF document text
- http://naturenhuman.com/app/webroot/userfiles/file/70454733006.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109071213501624.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130e0b7dd3a0---xixetuxav.pdfIn PDF document text
- https://vieclamday.com/userfiles/file/josemuvexatudefajejitexod.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/1630557809.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/4986472614.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+make+animated+wallpaper+iphonePDF 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_off0000df6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6F | 10656 bytes |
SHA-256: e3c033c98927e202a8c4c4f6497627138aac2f27d801d7395f605d2c3e21b94e |
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font_01_sfnt_off0000f78f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78F | 19376 bytes |
SHA-256: 0e8206dc2cd7ee817d047cf333796b60f679dbfff1955eb8420249c8517dcaca |
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font_02_sfnt_off00012a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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