MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically phishing and trojan delivery. No scripts were extracted, but the structure and heuristics suggest a social engineering attack to facilitate malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e5b6595fe---xizewob.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c7d9c23919f3a371207ad2ae5b3f262e/sabow.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607874304a621---zukeno.pdf
- http://hutergroup.de/userfiles/file/39202516511.pdf
- https://istocdukkan.com/userfiles/files/55498805548.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160805b741acbe---38001321146.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084987fba5ec---jizufa.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/5vojhl4ctbcgu9b823o9dt3r5t/54858182928.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba4a636986---rupekumedurazawana.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/pe2l2sanpmfd9f8p6pdvu7ll49/xasorozokapojifolukir.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608975b6c6dcf---32668918906.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b259b601774---gobuwirejikibotivinelozu.pdf
- http://leebyunghun.kr/new/upload/board/files/mewimesiwibozubefi.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/8ca617c437c8e5bf7e9a6b2539ed7d44/63803400692.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/9b3470af4cf0cd45c7fe2b800191d6a7/gaxewiwopemixodajori.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/171eefc6ecef21a1419983425c3aee50/zobojagojixomovebudituf.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bdd263c80---75186112295.pdf
- http://aep-tc.com/cache/fck_files/file/bexidar.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=el+vendedor+mas+grande+del+mundo+libro+completo
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5d4.bin81ea37c214a5bb151295099197fd8ac114feed133a93a431d32d9ff4465136e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D4 | 5548 bytes |
font_01_sfnt_off00010898.binad194820f5efcf64e01f7e9fb45bc8726e0580ba8745035d1481269c4aafcd63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10898 | 11988 bytes |
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