MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to disposable hosting and compromised CMS upload storage, indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure and embedded URLs align with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://fireprovietnam.net/luutru/files/viloripuzulu.pdf In PDF document text
- http://ajtoablakcentrum.com/_user/file/fogelobasifapu.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b294be9eaff---mofefogaberav.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e3e70127e---sibemini.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4bc5254c2---veweza.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608543afab022---kebiraxewofubudulunusoxik.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072f5af33f5f---vowiposuridi.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/4c4ab2b47eb8fe59d050a1d8d2abffca/76874950261.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1cab8a8a2---80814177124.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/88clgjr6ncdvvbbcp4pfic4rfa/3715859726.pdfIn PDF document text
- https://hanyauntuktesting.com/contents//files/nojemivuwijesivas.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/gegerujas.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/21531871812.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072eca96e9cb---23598504001.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/18227084218.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210518074612.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69154757874.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/162e0fd04496f231a6a42d2271d4363d/15654931303.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/dekaf.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/064c61e2d635ea89395c5a4268ba0c73/fixawuvasu.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e13382aff---lamokabigijukosebuwijewe.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b3722785e9ca03a244f936f2c2285373/gejawewoxaxubo.pdfIn PDF document text
- http://muaah.ca/userfiles/files/85523742105.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/dizimatafiboje.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=feelings+of+guilt+and+depressionPDF 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_off0000f5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B7 | 16672 bytes |
SHA-256: d3ee9d44dfff8bfeb28895e89fe18dbeb343e486d962b47c1395da529a122ba3 |
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font_01_sfnt_off000120d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000138ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138EF | 10748 bytes |
SHA-256: 929c57a384502132c71b448e3f5b57f5ce86820f2df7f35a3b3f25fec0867d90 |
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