MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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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://ekopaczka.pl/imgbrama/files/36760012106.pdf In PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/37c7d72d09ad58196181368818270377/tegunojozariniginitukusop.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/jomeziti.pdfIn PDF document text
- https://shieldtech.cz/ckfinder/userfiles/files/19931465949.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/21106004480.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/376b35297642121bdd46334416b009ba/fejuzububodagu.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210915165728.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202109110230579225.pdfIn PDF document text
- https://senegal4d.com/contents/files/2295525268.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/ac19e5b4dad1c9bc2ac448e4f4a22778/49814323235.pdfIn PDF document text
- http://pickup-ws.com/userfiles/files/51482070280.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/82090747765.pdfIn PDF document text
- https://masihpt1.com/contents/files/xokukenolawinavotagi.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/zaxaposexo.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/rovujibosodufapisep.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/8888ea2bec41f8a7e4c2e843c05d27ce/91000728707.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130c11e4dc95---roxomodilalarevixamukufid.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/52605902750.pdfIn PDF document text
- https://riosemarescentrodemergulho.com/ckfinder/files/30358589804.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/gexuxojo.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/zolon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=pes+21+ppsspp+android+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_off0000c2f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0E | 10548 bytes |
SHA-256: da61eb1369851f20c0daf777ea2b83b565ec8afc4b905c84b620258ef9644bfc |
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font_02_sfnt_off0000f358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF358 | 17860 bytes |
SHA-256: 3b224163345d955b795e16148add0a44f30187d91e824c65ade671e75fd4fb6d |
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