MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress sites and appear to be part of a link farm designed to lure users into downloading malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://ketchas.ru/uplcv?utm_term=corel+draw+x8+free+download+full+version+with+crack+torrent PDF link annotation
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae25c6e4cec---telakejizarupadafuxawo.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160984cf52ea1c---49237501637.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/52752660046.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b86c1af3c70---latififo.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/buxulatibadejinufixu.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a6292d04c30---pidusegu.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/35055845412.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/9a3f1b1073efa68a39ecb7bebc9513b5/7626704997.pdfIn PDF document text
- http://serramentisiciliano.it/userfiles/files/vojagarosef.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/95f140b92d269255013b9c00382ea883/zewalurorejivemumulazi.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d8007ca9eb8---44519383885.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/femilo.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e78f93ead1a8ef89a32a2ac6c4b5cb54/50742668090.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/22778260460.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160cfbfcc71ea4---tosugame.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c59e0c6e47f---67742063572.pdfIn PDF document text
- http://korytnica.net/data/files/vudenadajolagizatano.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ccbcdc1d307e9414595f009f21f22c5e/65677287447.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/kofuzemalefumaru.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/39c10c880771dbcd06815a677a64005a/56446350653.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d504aeb0e1---61608046936.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5605fdbb0c---73453721968.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/46851767235.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/737a296a09813f64c0dd790efeedd57d/78651656731.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/adb94a721ffae2f57250ecac2b6b9ad4/zotakopiwa.pdfIn PDF document text
- 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_off0000f8cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CB | 17624 bytes |
SHA-256: 87787c118fd61049473eac5a6527623fb4bf57eb83b53023e67bcebb78a33821 |
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font_01_sfnt_off0001273e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F55 | 11260 bytes |
SHA-256: af263e1a0abd3bfc51a302836e74ebf8c48866f261835c22cf0db46f83772f44 |
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