MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to numerous compromised websites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/2060781021.pdf In PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1f655faf8---13996881524.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610bf4dd7073b---31222847051.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/murofuxugobulegunega.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/18363c4d43d489b6b2a066c1562fc457/42221068264.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c8f9ed172---sevesomogejobasozajox.pdfIn PDF document text
- https://mauspro.net/upload/files/80670958618.pdfIn PDF document text
- http://bdn10.cz/files/file/vilapimanitakiwibim.pdfIn PDF document text
- https://csodamalom.hu/files/files/pifofejage.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fc235f8cf---99768012602.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/46257679864.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/dufalaguwezipi.pdfIn PDF document text
- https://morethancars.eu/uploads/edytor/file/sozivupoxopakozivesok.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/1576340087.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/lutuge.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/78943001698.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca19ca4b1e---7094981150.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/jagewigatopujokofajuzunir.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/10202127933.pdfIn PDF document text
- http://marymo.ru/uploads/files/nikumawezamijewas.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021081808525972.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca8c73d3a04---31872301661.pdfIn PDF document text
- https://congchung7.com/upload/file/gebugid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=independent+clause+worksheets+7th+gradePDF 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_off0000cb46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB46 | 17552 bytes |
SHA-256: 38c55145d6c911c279fec8ef9c2b0ea8549268867a7ec0d3d718381c500634fd |
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font_01_sfnt_off0000f8ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AD | 10980 bytes |
SHA-256: a0fed657ac82b46a5e102a9769598fa48f3a1956099228d16e2489644b354849 |
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font_02_sfnt_off0001120d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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