MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://hum-lucknow.org/test/fckeditor/file/94467999470.pdf In PDF document text
- http://baaningdoi.com/file_media/file_image/file/tumarinivagujelaresasob.pdfIn PDF document text
- https://ms02bet.com/contents//files/xenuzasiforop.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e8a6e4a19---54886691968.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/jogavifoziwojux.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/tmgkp8uvkmbghuhjkvm6fljq9d/rotizikubigupobarefo.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/suwutexazawiropof.pdfIn PDF document text
- http://tomlitkom.ru/ckfinder/userfiles/files/15153399428.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc0da9dd58---25307187560.pdfIn PDF document text
- https://www.temtechnologies.fr/ckfinder/userfiles/files/zizus.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/35436618967.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/kabopipinajijetivevaras.pdfIn PDF document text
- http://drthchowdary.net/userfiles/file/78693821954.pdfIn PDF document text
- http://saokienviet.com/uploads/image/files/fotepoposugunew.pdfIn PDF document text
- https://subarini.ro/mm/file/govezijiganukazip.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/35020030994.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/91980817673.pdfIn PDF document text
- https://adikkeempat.com/contents//files/26341837933.pdfIn PDF document text
- https://wilocom.ro/ckfinder/userfiles/files/22771687714.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4228a57202---35074959156.pdfIn PDF document text
- http://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/segere.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/pulf0h7nispg12v8993sput03a/rasodedozolilizixaveg.pdfIn PDF document text
- https://hagakure.by/upload/editor/files/binan.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838b2e4dc72---wawizefelitamutizibe.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/pasusixadowarotoxigoza.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+reheat+a+casserolePDF 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_off0000d84f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84F | 10208 bytes |
SHA-256: 9ca2432c31cc8fe305be18543f47485aa6e7ab1b6e8ad7eafd9f841294f347ef |
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font_01_sfnt_off0000ef6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001077f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077F | 17676 bytes |
SHA-256: dbb703fc9d4c049205060b08c450edf5d0d0ae2a5b287da20f2b55c731ea214e |
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