MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites utilizing form upload plugins. These URLs form a link farm, likely intended to redirect the user to a malicious payload or phishing page. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/4f969952afda57b7f0a5863ea18d3951/golavumiputera.pdf In PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/7n0cl9bcvect9dk1jvs4kd7dee/boluxivuputazenuder.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/185a0b07bcb6a2600bfd9c3d107a8c68/33438006318.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aac190a0675---21530856304.pdfIn PDF document text
- https://etadelloro.it/images/file/mexamopopiginabege.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/2845bce1af1ba6b0f711a04c7c694cd5/tikixesebipovul.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b083338fee5---wulopoxane.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/f0aee1c99b34fb37711b4378fe458b96/65579734236.pdfIn PDF document text
- http://parkhighclassof60.com/clients/871169/File/tumutojen.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5c7b2a91---51664765682.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160aa35ed81555---93537054712.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/4bbbnid5jd8gaoq9cocbf9ik81/rixubuxove.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/vasezopifanid.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/ff095b3c43d683098ea61115d5c96819/likugubuwalejebaraf.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8494dd108c519eb32771681ec0c161da/fobeno.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/99812889075.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/1e0119fcab3f116bb0eb1919d78823a3/virevozufafuve.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=lettre+a+ma+mere+piano+sheet+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE70 | 5192 bytes |
SHA-256: 870732ced1521d337e5635ea672af978aace17960c194bc8f68f8e2dfe8aba2f |
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font_01_sfnt_off0000dfed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFED | 17356 bytes |
SHA-256: fdcbfd30c64b42bf323220907951bef7cf79af0608bba9027474ba486ecfe92d |
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