MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a link farm pointing to multiple compromised websites, suggesting an attempt to redirect users to malicious content or downloads. The presence of these elements indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/8b0s98oph703du793aek88q6j5/7889434349.pdf In PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130bb48c401f---kadarojetaredakupex.pdfIn PDF document text
- http://chokmanee.com/userfiles/file/57589208144.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/55402178891.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/56758384792.pdfIn PDF document text
- http://webmba.fr/client/logo/file/pumezenozusoka.pdfIn PDF document text
- http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/gubedubiviwejivapej.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/vedim.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/beteguran.pdfIn PDF document text
- http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/vopasixijurufizun.pdfIn PDF document text
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/sinudijan.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/latizoxuwixik.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/mesetes.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/54328186265.pdfIn PDF document text
- https://tarzminder.com/resimler/files/fepekusiloraduzil.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/75560084142.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/83365266502.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/gaval.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144837574058---69365092464.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/nawedilemomadigataza.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/gadupufapina.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=android+premium+games+free+downloadPDF 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_off0000b136.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB136 | 15132 bytes |
SHA-256: 51df4601fb4c7e274d53c3e95b3e0472dd28b95f7441b2fda4c7440754a81264 |
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font_01_sfnt_off0000d7b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B0 | 10912 bytes |
SHA-256: c4e948ad38cc3b2ab7cfb2f8c9c6fa86686d8bd2f41be04a82e3ba0c79139b12 |
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font_02_sfnt_off0000f0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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