MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress installations. The heuristic PDF_RANDOM_URL_LINK specifically points to a malicious PDF file hosted on a compromised WordPress upload directory. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or 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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://queure.ru/uplcv?utm_term=la+caba%25C3%25B1a+libro+completo+pdf+gratis
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607015eda3507---ratudelo.pdf
- https://abe-rdc.com/userfiles/file/21165076917.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/d642200fa188f7c30c01af9b6def8b8d/migojivilufijigodanaweduf.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/a7mkmrcac1adeicl0u89jg2nut/41778922010.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b0608fb1ab5---26651785783.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160976bd66d827---41263318118.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/0rrm580ffs11jvsrafe6b34ss0/11826196417.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/5aa10b2f9114fc1ed4df5331065ba16a/56148622682.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607337b73bd62---85503643619.pdf
- http://thankschicken.com/uploads/files/28706480828.pdf
- http://parkhigh65.com/clients/4970/File/sanosadugesuk.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/shpqaiuve8lat125rkfhhdjp55/xatagelupabifup.pdf
- http://anthonyvienna.com/sites/default/files/file/69437949314.pdf
- https://alutat.com/data/file/vemubovone.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/8q2sn29ksvdo768n3t4e8ha1m0/nijerubapokav.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160773376a83fc---69846346623.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e054d2a694e2406e31fe361378f93681/34415317942.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/1754f56e29d83b77a1084640303f159d/solibagamiduvefixasim.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d33e3dc04b---sovesaxevikom.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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_off0000d48b.bin2648dbd28f5fb9590f2c7e7aeaeeeac306c1e6e477e4884ee92273e448426745 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD48B | 5768 bytes |
font_01_sfnt_off0000e7d6.bin9ca881580222d411d057b40d9e36cf5ef300313c33620b4953835bdc2a53fc4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D6 | 11704 bytes |
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