MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution attempt.
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://burchiellati.com/file_fck/file/vupatepabiworus.pdf In PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/727982df5378fe3dcebad20c58bd9031/84078483713.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2c5cbe647---jegaduve.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/1i7ue2gqr1ti9ou2vcl8mpgbf7/wunidupajezugubezu.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/qkg4g7ogbubkb92cf89kon6s9j/zejisivadofekeledafe.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088e8d52781e---radavavanezidolejova.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/81667136c7370f90f09d87f66608dced/sisomutebux.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf897d3484---44746429941.pdfIn PDF document text
- http://fantalife.nl/userfiles/file/jafewepaxito.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/er8b1tgvveh4k24i1rfgj2mu2j/36024291645.pdfIn PDF document text
- http://dnepropress.net/files/file/20154822129.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/83776080328.pdfIn PDF document text
- https://medtek.vn/storage/file/6277885817.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b87c47e01af---29371449108.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dd8f26efe97---77746465543.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077276f780dc---79422617622.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b41a302e5---729145588.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/297432801.pdfIn PDF document text
- https://people11people.gr/uploads/File/95531349721.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/75135807922.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609a09802fd0b---doburopa.pdfIn PDF document text
- http://myshopekerala.com/userfiles/file/75618403663.pdfIn PDF document text
- http://technology-mp.it/userfiles/files/renuwar.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/84210395768.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=quality+healthcare+and+wellnessPDF 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_off0000f492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF492 | 17908 bytes |
SHA-256: 9a3de5e0eec46e85b5cc1a3d140b3506dcf18c64c6a42251f4d7d0bbd78402b2 |
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font_01_sfnt_off000123f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123F5 | 10704 bytes |
SHA-256: cf7bb2172b0fb0910ba3e303e7e81426c51dc7fdc0b173e01d515a063467848e |
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font_02_sfnt_off00013ca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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