MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many pointing to compromised CMS uploads and disposable hosting. These links likely serve as a lure to phishing sites or to download further malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://krisoc.ru/uplcv?utm_term=game+theory+negotiation+pdf PDF link annotation
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a2d24b62e0---pujapegitedezojeb.pdfIn PDF document text
- http://fisioterapiasuzzara.it/userfiles/files/51054809402.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609075cf21d16---xisoluxujexasodana.pdfPDF link annotation
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/6db385941d34acb39e9421340f715d00/sewejuporul.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b496643c16a---96485996104.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/cdc86a83367155ec6521539854020322/tajetopizobufibi.pdfIn PDF document text
- https://chinatupai.com/web/js/ckfinder/userfiles/files/jemomirikukiguwiwebuxir.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/zeselofefojusagurizu.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721a7e61dd1---2467468188.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/92066906260.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/7fc3193ac0f1d40e0df854df56eade0d/xisadexowaguzurekapudabi.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/bizufawatibelotisabegumo.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e32012031a---32310635386.pdfIn PDF document text
- https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/bfj9dlgdgv22e2760ifurb2nj7/75803871903.pdfIn PDF document text
- https://aymfly.com/aym_image/files/19154583782.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/xamumewiboserifizojavu.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b2cf31a0571926184a490639aa74f49d/vavigefuzikusivebuviru.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c034c04bbef---wolosizexakufovudu.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/fifudi.pdfIn PDF document text
- http://newgrids.com/userfiles/file/63158304969.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/80696900232.pdfIn PDF document text
- http://arci-mp.fr/admin/File/15563057330.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_off0000e6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BE | 19100 bytes |
SHA-256: 01bae4f1cbd2009139f5aaa3d7918d05e8447acc4736b2533e5622570b25ccb2 |
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font_01_sfnt_off00011748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11748 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F5F | 10884 bytes |
SHA-256: 9b962e50c05a1797b6134b63526cec45ada76e40b025f64a6b4b47135fcbfe32 |
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