MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting a phishing or malware distribution lure. The document body was unreadable, but the presence of numerous external URLs strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://srtprogetti.eu/userfiles/files/falogajogikoxubufidoguto.pdf
- http://accessprecision.com/userfiles/file/66004722310.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/64a958c053ff44b6d5d6055847013817/bikuz.pdf
- https://kakakmanis.com/contents/files/setev.pdf
- http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/59088182514.pdf
- https://pensiuneavalentina.ro/app/webroot/file/39604999846.pdf
- http://longruiglass.com/ckfinder/userfiles/files/20210911_131029.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132445bb686b---jovasejekujaxazus.pdf
- http://flexinform.com/hirlevel/file/33258149069.pdf
- http://studiolegalezullo.eu/userfiles/files/kumiwegeripesikumidu.pdf
- http://www.psoealora.es/ckfinder/userfiles/files/daxudiwev.pdf
- http://manisafar.com/basefile/marcosafarir/files/mazezofegafavibukel.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16136b8847592b---45945049656.pdf
- http://interiorconsignments.com/media/file/94184488279.pdf
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/bogakukufoninokalemimeb.pdf
- https://bwhe.in/ckfinder/userfiles/files/povegikujuxijogi.pdf
- http://truhlarstvi-strakonice.cz/files/file/76068142927.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e393a1164c---43881053158.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fba551b87---rulogoxeka.pdf
- http://jfhconsultancy.nl/userfiles/files/62624230753.pdf
- http://mkconline.com/landmark/ckfinder/userfiles/files/jugod.pdf
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/30601599477.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bfd45842d---vetorifo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=to+what+extent+in+a+sentence
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d96c.binf1957ff847b5b21307d00aaba18e3192519abc4b264389395342a2e7a2be105e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD96C | 10332 bytes |
font_01_sfnt_off0000f0d4.bin1c0efaa7b2331f385ae6b8c43c5a65d0b2c926d29ed8a00c502638b1da10ab64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D4 | 17496 bytes |
font_02_sfnt_off00011ee6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE6 | 16792 bytes |
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